Summary

5a4188efcdfb96716936e9fa8a9744816e003f7ee6b4ad4be29fcc3bd681a15a

File 5a4188efcdfb96716936e9fa8a9744816e003f7ee6b4ad4be29fcc3bd681a15a

Summary
Download Resubmit sample

Size 1.3MB
Type PE32+ executable (console) x86-64, for MS Windows
MD5 6aeb8ee41de46c09a5b9b325c36c971e
SHA1 6fcfe3b9321c7814538a4ce8f5c1cebd84d00d2e
SHA256 5a4188efcdfb96716936e9fa8a9744816e003f7ee6b4ad4be29fcc3bd681a15a
SHA512
89ceeabac4ff599ea281f42b165732d1ddb226a24cae3fb8eab82ddfd80f2df9d558808e8dc90e6295d4fe87d1342fcd2f7cd8fc8e158a9eda7d8f165b146ad8
CRC32 02664555
ssdeep None
PDB Path C:\workspace\CR-Windows-x64-Client-Builder\CRLogTransport\public\binary\Win\x64\Release\CRLogTransport.pdb
Yara
  • APT32_KerrDown - (no description)
  • DebuggerException__SetConsoleCtrl - (no description)
  • anti_dbg - Checks if being debugged
  • network_http - Communications over HTTP
  • win_files_operation - Affect private profile

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.

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Information on Execution

Analysis
Category Started Completed Duration Routing Logs
FILE Nov. 21, 2025, 2:25 a.m. Nov. 21, 2025, 2:33 a.m. 483 seconds internet Show Analyzer Log
Show Cuckoo Log

Analyzer Log

2025-11-10 21:59:25,015 [analyzer] DEBUG: Starting analyzer from: C:\tmpriinqn
2025-11-10 21:59:25,015 [analyzer] DEBUG: Pipe server name: \??\PIPE\rLGzkZyaHwfQIwXNxEx
2025-11-10 21:59:25,015 [analyzer] DEBUG: Log pipe server name: \??\PIPE\tXIKNYOZyJucHcfITOJMGabJ
2025-11-10 21:59:25,483 [analyzer] DEBUG: Started auxiliary module Curtain
2025-11-10 21:59:25,483 [analyzer] DEBUG: Started auxiliary module DbgView
2025-11-10 21:59:26,187 [analyzer] DEBUG: Started auxiliary module Disguise
2025-11-10 21:59:26,405 [analyzer] DEBUG: Loaded monitor into process with pid 512
2025-11-10 21:59:26,437 [analyzer] DEBUG: Started auxiliary module DumpTLSMasterSecrets
2025-11-10 21:59:26,437 [analyzer] DEBUG: Started auxiliary module Human
2025-11-10 21:59:26,437 [analyzer] DEBUG: Started auxiliary module InstallCertificate
2025-11-10 21:59:26,453 [analyzer] DEBUG: Started auxiliary module Reboot
2025-11-10 21:59:26,546 [analyzer] DEBUG: Started auxiliary module RecentFiles
2025-11-10 21:59:26,546 [analyzer] DEBUG: Started auxiliary module Screenshots
2025-11-10 21:59:26,546 [analyzer] DEBUG: Started auxiliary module Sysmon
2025-11-10 21:59:26,546 [analyzer] DEBUG: Started auxiliary module LoadZer0m0n
2025-11-10 21:59:26,717 [lib.api.process] INFO: Successfully executed process from path u'C:\\Users\\ADMINI~1\\AppData\\Local\\Temp\\5a4188efcdfb96716936e9fa8a9744816e003f7ee6b4ad4be29fcc3bd681a15a.exe' with arguments '' and pid 1396
2025-11-10 21:59:27,030 [analyzer] DEBUG: Loaded monitor into process with pid 1396
2025-11-10 21:59:55,717 [analyzer] INFO: Analysis timeout hit, terminating analysis.
2025-11-10 21:59:56,140 [analyzer] INFO: Terminating remaining processes before shutdown.
2025-11-10 21:59:56,140 [lib.api.process] INFO: Successfully terminated process with pid 1396.
2025-11-10 21:59:56,140 [analyzer] INFO: Analysis completed.

Cuckoo Log

2025-11-21 02:25:03,763 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:04,787 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:05,814 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:06,836 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:07,857 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:08,884 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:09,902 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:11,118 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:12,503 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:13,621 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:14,706 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:15,785 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:17,058 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:18,378 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:19,464 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:20,524 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:21,579 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:22,653 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:23,813 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:24,931 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:26,240 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:27,296 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:28,457 [cuckoo.core.scheduler] DEBUG: Task #7162519: no machine available yet
2025-11-21 02:25:29,561 [cuckoo.core.scheduler] INFO: Task #7162519: acquired machine win7x6426 (label=win7x6426)
2025-11-21 02:25:29,566 [cuckoo.core.resultserver] DEBUG: Now tracking machine 192.168.168.226 for task #7162519
2025-11-21 02:25:30,200 [cuckoo.auxiliary.sniffer] INFO: Started sniffer with PID 2581667 (interface=vboxnet0, host=192.168.168.226)
2025-11-21 02:25:35,488 [cuckoo.machinery.virtualbox] DEBUG: Starting vm win7x6426
2025-11-21 02:25:36,871 [cuckoo.machinery.virtualbox] DEBUG: Restoring virtual machine win7x6426 to vmcloak
2025-11-21 02:29:25,169 [cuckoo.core.guest] INFO: Starting analysis #7162519 on guest (id=win7x6426, ip=192.168.168.226)
2025-11-21 02:29:26,177 [cuckoo.core.guest] DEBUG: win7x6426: not ready yet
2025-11-21 02:29:31,216 [cuckoo.core.guest] INFO: Guest is running Cuckoo Agent 0.10 (id=win7x6426, ip=192.168.168.226)
2025-11-21 02:29:31,313 [cuckoo.core.guest] DEBUG: Uploading analyzer to guest (id=win7x6426, ip=192.168.168.226, monitor=latest, size=6660546)
2025-11-21 02:29:33,362 [cuckoo.core.resultserver] DEBUG: Task #7162519: live log analysis.log initialized.
2025-11-21 02:29:34,784 [cuckoo.core.resultserver] DEBUG: Task #7162519 is sending a BSON stream
2025-11-21 02:29:35,270 [cuckoo.core.resultserver] DEBUG: Task #7162519 is sending a BSON stream
2025-11-21 02:29:36,095 [cuckoo.core.resultserver] DEBUG: Task #7162519: File upload for 'shots/0001.jpg'
2025-11-21 02:29:36,139 [cuckoo.core.resultserver] DEBUG: Task #7162519 uploaded file length: 117322
2025-11-21 02:29:49,348 [cuckoo.core.guest] DEBUG: win7x6426: analysis #7162519 still processing
2025-11-21 02:30:04,421 [cuckoo.core.resultserver] DEBUG: Task #7162519: File upload for 'curtain/1762808395.95.curtain.log'
2025-11-21 02:30:04,425 [cuckoo.core.resultserver] DEBUG: Task #7162519 uploaded file length: 36
2025-11-21 02:30:04,458 [cuckoo.core.guest] DEBUG: win7x6426: analysis #7162519 still processing
2025-11-21 02:30:04,545 [cuckoo.core.resultserver] DEBUG: Task #7162519: File upload for 'sysmon/1762808396.12.sysmon.xml'
2025-11-21 02:30:04,558 [cuckoo.core.resultserver] DEBUG: Task #7162519 uploaded file length: 1257736
2025-11-21 02:30:05,088 [cuckoo.core.resultserver] DEBUG: Task #7162519: File upload for 'shots/0002.jpg'
2025-11-21 02:30:05,101 [cuckoo.core.resultserver] DEBUG: Task #7162519 uploaded file length: 133428
2025-11-21 02:30:05,115 [cuckoo.core.resultserver] DEBUG: Task #7162519 had connection reset for <Context for LOG>
2025-11-21 02:30:07,474 [cuckoo.core.guest] INFO: win7x6426: analysis completed successfully
2025-11-21 02:30:07,487 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Redsocks
2025-11-21 02:30:07,615 [cuckoo.core.plugins] DEBUG: Stopped auxiliary module: Sniffer
2025-11-21 02:30:09,092 [cuckoo.machinery.virtualbox] INFO: Successfully generated memory dump for virtual machine with label win7x6426 to path /srv/cuckoo/cwd/storage/analyses/7162519/memory.dmp
2025-11-21 02:30:09,093 [cuckoo.machinery.virtualbox] DEBUG: Stopping vm win7x6426
2025-11-21 02:33:06,474 [cuckoo.core.resultserver] DEBUG: Stopped tracking machine 192.168.168.226 for task #7162519
2025-11-21 02:33:07,092 [cuckoo.core.scheduler] DEBUG: Released database task #7162519
2025-11-21 02:33:07,121 [cuckoo.core.scheduler] INFO: Task #7162519: analysis procedure completed

Signatures

Yara rules detected for file (5 events)
description (no description) rule APT32_KerrDown
description (no description) rule DebuggerException__SetConsoleCtrl
description Checks if being debugged rule anti_dbg
description Communications over HTTP rule network_http
description Affect private profile rule win_files_operation
Allocates read-write-execute memory (usually to unpack itself) (1 event)
Time & API Arguments Status Return Repeated

NtProtectVirtualMemory

 process_identifier: 1396
stack_dep_bypass: 0
stack_pivoted: 0
heap_dep_bypass: 1
length: 393216
protection: 64 (PAGE_EXECUTE_READWRITE)
base_address: 0x0000000001cf0000
process_handle: 0xffffffffffffffff
1 0 0
Queries for the computername (2 events)
Time & API Arguments Status Return Repeated

GetComputerNameW

 computer_name: ǜ Ǜ
0 0

GetComputerNameW

 computer_name: CGJRIYXYRJBQOJY
1 1 0
This executable has a PDB path (1 event)
pdb_path C:\workspace\CR-Windows-x64-Client-Builder\CRLogTransport\public\binary\Win\x64\Release\CRLogTransport.pdb
One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.
The binary likely contains encrypted or compressed data indicative of a packer (2 events)
section {u'size_of_data': u'0x0008f000', u'virtual_address': u'0x001bd000', u'entropy': 7.938124000279437, u'name': u'.reloc', u'virtual_size': u'0x00090000'} entropy 7.93812400028 description A section with a high entropy has been found
entropy 0.437476099426 description Overall entropy of this PE file is high
File has been identified by 13 AntiVirus engine on IRMA as malicious (13 events)
G Data Antivirus (Windows) Virus: Win64.Expiro.Gen.7 (Engine A)
Avast Core Security (Linux) Win64:Expiro-AJ [Inf]
C4S ClamAV (Linux) Win.Virus.Expiro-10035210-0
Trend Micro SProtect (Linux) Virus.Win64.EXPIRO.SMAJC
Trellix (Linux) W32/Expiro.gen.re virus
WithSecure (Linux) Malware.W32/Infector.Gen
ESET Security (Windows) a variant of Win64/Expiro.DP virus
Sophos Anti-Virus (Linux) W64/Moiva-B
DrWeb Antivirus (Linux) Win32.Expiro.153
ClamAV (Linux) Win.Virus.Expiro-10035210-0
Bitdefender Antivirus (Linux) Win64.Expiro.Gen.7
Kaspersky Standard (Windows) Virus.Win64.Moiva.a
Emsisoft Commandline Scanner (Windows) Win64.Expiro.Gen.7 (B)
File has been identified by 52 AntiVirus engines on VirusTotal as malicious (50 out of 52 events)
Bkav W64.AIDetectMalware
Cynet Malicious (score: 100)
CAT-QuickHeal W32.Expiro.R3
Skyhigh BehavesLike.Win64.Virus.tc
ALYac Win64.Expiro.Gen.7
Cylance Unsafe
VIPRE Win64.Expiro.Gen.7
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
BitDefender Win64.Expiro.Gen.7
K7GW Virus ( 005a9e7d1 )
K7AntiVirus Virus ( 005a9e7d1 )
Arcabit Win64.Expiro.Gen.7
VirIT Win64.Expiro.AJ
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win64/Expiro.DP
APEX Malicious
Avast Win64:Expiro-AJ [Inf]
ClamAV Win.Virus.Expiro-10035210-0
Kaspersky Virus.Win64.Moiva.a
MicroWorld-eScan Win64.Expiro.Gen.7
Rising Virus.Expiro!1.A140 (CLASSIC)
Emsisoft Win64.Expiro.Gen.7 (B)
F-Secure Malware.W32/Infector.Gen
DrWeb Win32.Expiro.153
TrendMicro Virus.Win64.EXPIRO.SMAJC
McAfeeD ti!5A4188EFCDFB
Trapmine malicious.high.ml.score
CTX exe.unknown.expiro
Sophos W64/Moiva-B
SentinelOne Static AI - Malicious PE
Google Detected
Avira W32/Infector.Gen
Antiy-AVL Virus/Win32.Expiro.x
Microsoft Virus:Win32/Expiro.HNW!MTB
ZoneAlarm W64/Moiva-B
GData Win64.Expiro.Gen.7
Varist W64/Expiro.AR.gen!Eldorado
AhnLab-V3 Virus/Win.Expiro.X2155
Acronis suspicious
TACHYON Virus/W64.Movia
DeepInstinct MALICIOUS
Malwarebytes Neshta.Virus.FileInfector.DDS
Ikarus Virus.Win64.Expiro
Panda W64/Moyv.A
TrendMicro-HouseCall Virus.Win64.EXPIRO.SMAJC
Tencent Virus.Win64.VirMoiva.a
TrellixENS W32/Expiro.gen.re
huorong Virus/W64.Expiro.r
MaxSecure Trojan.Malware.121218.susgen
Screenshots
Name Response Post-Analysis Lookup
No hosts contacted.
IP Address Status Action VT Location
No hosts contacted.
Cuckoo

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