Summary

48a96e765f308053_backup.exe

File 48a96e765f308053_backup.exe

Summary
Download Resubmit sample

Size 446.8KB
Type PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
MD5 b86226e2c045b62bda08a86419e2c97b
SHA1 49bede46f22f74fafe36cbd582b760f030776f04
SHA256 48a96e765f30805323edb29586c20d20d17e27d6935df1e241805d5c1c012f0f
SHA512
b20d799090ec7dce01e9fc11d73e038b73904cbda48513fdf17fbde327b2c3cbb1bd3291f8f00d6a6ae69b7640aaf70dc5987f6ed071452264474594aebf2b9a
CRC32 F429A5DF
ssdeep None
Yara
  • UPX - (no description)
  • suspicious_packer_section - The packer/protector section names/keywords
  • SEH__vba - (no description)
  • escalate_priv - Escalade priviledges
  • win_mutex - Create or check mutex
  • win_registry - Affect system registries
  • win_token - Affect system token

Score

This file is very suspicious, with a score of 10 out of 10!

Please notice: The scoring system is currently still in development and should be considered an alpha feature.

Autosubmit

Parent_Task_ID:6665543

Feedback

Expecting different results? Send us this analysis and we will inspect it. Click here

Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE July 11, 2025, 8:27 a.m. July 11, 2025, 8:35 a.m. 498 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-07-08 09:40:42,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpqnr2dk
2025-07-08 09:40:42,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\JbpVWIzHsbUvaPSnMHZJWxvnOfoXtkS
2025-07-08 09:40:42,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\UVZgaNdkgudTYCWpSGoTcIm
2025-07-08 09:40:42,015 [analyzer] DEBUG: No analysis package specified, trying to detect it automagically.
2025-07-08 09:40:42,030 [analyzer] INFO: Automatically selected analysis package "exe"
2025-07-08 09:40:42,250 [analyzer] DEBUG: Started auxiliary module Curtain
2025-07-08 09:40:42,250 [analyzer] DEBUG: Started auxiliary module DbgView
2025-07-08 09:40:42,655 [analyzer] DEBUG: Started auxiliary module Disguise
2025-07-08 09:40:42,858 [analyzer] DEBUG: Loaded monitor into process with pid 504
2025-07-08 09:40:42,858 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-07-08 09:40:42,858 [analyzer] DEBUG: Started auxiliary module Human
2025-07-08 09:40:42,858 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-07-08 09:40:42,858 [analyzer] DEBUG: Started auxiliary module Reboot
2025-07-08 09:40:42,905 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-07-08 09:40:42,905 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-07-08 09:40:42,905 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-07-08 09:40:42,905 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-07-08 09:40:43,078 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\48a96e765f308053_backup.exe' with arguments '' and pid 1256
2025-07-08 09:40:43,296 [analyzer] DEBUG: Loaded monitor into process with pid 1256
2025-07-08 09:40:43,375 [analyzer] INFO: Added new file to list with pid 1256 and path C:\Users\Administrator\AppData\Local\Temp\backup.exe
2025-07-08 09:40:43,375 [analyzer] INFO: Added new file to list with pid 1256 and path C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
2025-07-08 09:40:43,453 [analyzer] INFO: Injected into process with pid 1396 and name ''
2025-07-08 09:40:43,608 [analyzer] DEBUG: Loaded monitor into process with pid 1396
2025-07-08 09:40:43,687 [analyzer] INFO: Added new file to list with pid 1256 and path C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
2025-07-08 09:40:43,796 [analyzer] INFO: Added new file to list with pid 1256 and path C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
2025-07-08 09:40:44,655 [analyzer] INFO: Added new file to list with pid 1396 and path C:\backup.exe
2025-07-08 09:44:02,078 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-07-08 09:44:03,203 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-07-08 09:44:03,203 [lib.api.process] INFO: Successfully terminated process with pid 1256.
2025-07-08 09:44:03,203 [lib.api.process] INFO: Successfully terminated process with pid 1396.
2025-07-08 09:44:03,233 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-07-11 08:27:02,411 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:03,449 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:04,537 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:05,660 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:06,779 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:07,892 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:08,994 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:10,329 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:11,615 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:12,740 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:14,327 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:15,366 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:16,420 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:17,488 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:18,547 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:19,790 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:21,124 [cuckoo.core.scheduler] DEBUG: Task #6684534: no machine available yet
2025-07-11 08:27:22,198 [cuckoo.core.scheduler] INFO: Task #6684534: acquired machine win7x6415 (label=win7x6415)
2025-07-11 08:27:22,200 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.215 for task #6684534
2025-07-11 08:27:22,620 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2707148 (interface=vboxnet0, host=192.168.168.215)
2025-07-11 08:27:23,257 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6415
2025-07-11 08:27:30,816 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6415 to vmcloak
2025-07-11 08:30:38,985 [cuckoo.core.guest] INFO: Starting analysis #6684534 on guest (id=win7x6415, ip=192.168.168.215)
2025-07-11 08:30:39,990 [cuckoo.core.guest] DEBUG: win7x6415: not ready yet
2025-07-11 08:30:45,060 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6415, ip=192.168.168.215)
2025-07-11 08:30:45,140 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6415, ip=192.168.168.215, monitor=latest, size=6660546)
2025-07-11 08:30:46,315 [cuckoo.core.resultserver] DEBUG: Task #6684534: live log analysis.log initialized.
2025-07-11 08:30:47,249 [cuckoo.core.resultserver] DEBUG: Task #6684534 is sending a BSON stream
2025-07-11 08:30:47,551 [cuckoo.core.resultserver] DEBUG: Task #6684534 is sending a BSON stream
2025-07-11 08:30:47,947 [cuckoo.core.resultserver] DEBUG: Task #6684534 is sending a BSON stream
2025-07-11 08:30:48,347 [cuckoo.core.resultserver] DEBUG: Task #6684534: File upload for 'shots/0001.jpg'
2025-07-11 08:30:48,361 [cuckoo.core.resultserver] DEBUG: Task #6684534 uploaded file length: 133437
2025-07-11 08:31:01,259 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:31:16,655 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:31:32,067 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:31:47,289 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:32:02,385 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:32:17,518 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:32:32,665 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:32:48,026 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:33:03,251 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:33:18,366 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:33:33,457 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:33:48,944 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:34:04,537 [cuckoo.core.guest] DEBUG: win7x6415: analysis #6684534 still processing
2025-07-11 08:34:06,628 [cuckoo.core.resultserver] DEBUG: Task #6684534: File upload for 'curtain/1751960642.23.curtain.log'
2025-07-11 08:34:06,634 [cuckoo.core.resultserver] DEBUG: Task #6684534 uploaded file length: 36
2025-07-11 08:34:07,433 [cuckoo.core.resultserver] DEBUG: Task #6684534: File upload for 'sysmon/1751960643.09.sysmon.xml'
2025-07-11 08:34:07,552 [cuckoo.core.resultserver] DEBUG: Task #6684534 uploaded file length: 13981082
2025-07-11 08:34:07,572 [cuckoo.core.resultserver] DEBUG: Task #6684534: File upload for 'files/55fa45ab6f436460_backup.exe'
2025-07-11 08:34:07,579 [cuckoo.core.resultserver] DEBUG: Task #6684534: File upload for 'files/d0603d1dd59dc6a8_backup.exe'
2025-07-11 08:34:07,581 [cuckoo.core.resultserver] DEBUG: Task #6684534 had connection reset for <Context for LOG>
2025-07-11 08:34:07,584 [cuckoo.core.resultserver] DEBUG: Task #6684534 uploaded file length: 457489
2025-07-11 08:34:07,588 [cuckoo.core.resultserver] DEBUG: Task #6684534 uploaded file length: 457491
2025-07-11 08:34:10,597 [cuckoo.core.guest] INFO: win7x6415: analysis completed successfully
2025-07-11 08:34:10,620 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-07-11 08:34:10,686 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-07-11 08:34:11,819 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6415 to path /srv/cuckoo/cwd/storage/analyses/6684534/memory.dmp
2025-07-11 08:34:11,820 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6415
2025-07-11 08:35:19,374 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.215 for task #6684534
2025-07-11 08:35:20,350 [cuckoo.core.scheduler] DEBUG: Released database task #6684534
2025-07-11 08:35:20,408 [cuckoo.core.scheduler] INFO: Task #6684534: analysis procedure completed

Signatures

Yara rules detected for file (7 events)
description (no description) rule UPX
description The packer/protector section names/keywords rule suspicious_packer_section
description (no description) rule SEH__vba
description Escalade priviledges rule escalate_priv
description Create or check mutex rule win_mutex
description Affect system registries rule win_registry
description Affect system token rule win_token
The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)
section .imports
Creates executable files on the filesystem (5 events)
file C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
file C:\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\9C7EA51D-B2B9-4ABB-A82F-1B32707A146E\backup.exe
file C:\Users\Administrator\AppData\Local\Temp\hsperfdata_Administrator\backup.exe
Drops an executable to the user AppData folder (1 event)
file C:\Users\Administrator\AppData\Local\Temp\0C7910BA-F902-421E-9E69-CF9AEE0DD4D7\backup.exe
Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 1256
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 24576
protection: 32 (PAGE_EXECUTE_READ)
base_address: 0x01c00000
process_handle: 0xffffffff
1 0 0
The executable is compressed using UPX (2 events)
section UPX0 description Section name indicates UPX
section UPX1 description Section name indicates UPX
Attempts to modify Explorer settings to prevent file extensions from being displayed (1 event)
registry HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt
Attempts to modify Explorer settings to prevent hidden files from being displayed (1 event)
registry HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Hidden
File has been identified by 13 AntiVirus engine on IRMA as malicious (13 events)
G Data Antivirus (Windows) Virus: Trojan.Generic.4385790 (Engine A), Win32.Trojan.Vilsel.A (Engine B)
Avast Core Security (Linux) Win32:Vilsel-CT [Trj]
C4S ClamAV (Linux) Win.Malware.Genpack-6989317-0
Trellix (Linux) Generic VB.z trojan
WithSecure (Linux) Trojan.TR/ATRAPS.Gen2
eScan Antivirus (Linux) Trojan.Generic.4385790(DB)
ESET Security (Windows) Win32/VB.OZA trojan
Sophos Anti-Virus (Linux) Troj/VB-LET
DrWeb Antivirus (Linux) Trojan.Copyself.102
ClamAV (Linux) Win.Malware.Genpack-6989317-0
Bitdefender Antivirus (Linux) Trojan.Generic.4385790
Kaspersky Standard (Windows) Trojan.Win32.Vilsel.loy
Emsisoft Commandline Scanner (Windows) Trojan.Generic.4385790 (B)
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

We're processing your submission... This could take a few seconds.