Malware Analysis Report

2024-08-06 17:14

Sample ID 240521-z9rq2sba4w
Target 64d0787df9bff4b22b0efbe10012799f_JaffaCakes118
SHA256 db1b76a817d80a04dfe6236b050aad2e147374023b96d2fc2f5d76f500e8c8a5
Tags
darkcomet guest16 persistence rat trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

db1b76a817d80a04dfe6236b050aad2e147374023b96d2fc2f5d76f500e8c8a5

Threat Level: Known bad

The file 64d0787df9bff4b22b0efbe10012799f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkcomet guest16 persistence rat trojan upx

Darkcomet

Modifies WinLogon for persistence

UPX packed file

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-05-21 21:25

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-21 21:25

Reported

2024-05-21 21:27

Platform

win7-20240221-en

Max time kernel

150s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe"

Signatures

Darkcomet

trojan rat darkcomet

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\z7WJ0VV41XJKVUuN\\ERhOrb1u6Rlf.exe\",explorer.exe" C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1040 set thread context of 2888 N/A C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 34 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 35 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe

"C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe"

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 lisa000.hopto.org udp

Files

memory/1040-0-0x0000000074371000-0x0000000074372000-memory.dmp

memory/1040-1-0x0000000074370000-0x000000007491B000-memory.dmp

memory/1040-2-0x0000000074370000-0x000000007491B000-memory.dmp

memory/1040-4-0x0000000074370000-0x000000007491B000-memory.dmp

memory/1040-3-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2888-7-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-13-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-12-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-14-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2888-8-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-9-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-17-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-18-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-16-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-19-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-20-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1040-21-0x0000000074370000-0x000000007491B000-memory.dmp

memory/1040-22-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2888-23-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1040-24-0x0000000074370000-0x000000007491B000-memory.dmp

memory/2888-25-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-26-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-27-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-28-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-29-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-30-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-31-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-32-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-33-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-34-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-35-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-36-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/2888-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-21 21:25

Reported

2024-05-21 21:27

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe"

Signatures

Darkcomet

trojan rat darkcomet

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "\"C:\\Users\\Admin\\AppData\\Roaming\\z7WJ0VV41XJKVUuN\\XdeykwG4mqsG.exe\",explorer.exe" C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1896 set thread context of 1440 N/A C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 33 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 34 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 35 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A
Token: 36 N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe

"C:\Users\Admin\AppData\Local\Temp\Satoshimines Bot v.1.5\Satoshimines Bot v.1.5.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4080,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=3976 /prefetch:8

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe

"C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
NL 23.62.61.161:443 www.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 161.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 98.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp
US 8.8.8.8:53 lisa000.hopto.org udp

Files

memory/1896-0-0x0000000075132000-0x0000000075133000-memory.dmp

memory/1896-1-0x0000000075130000-0x00000000756E1000-memory.dmp

memory/1896-2-0x0000000075130000-0x00000000756E1000-memory.dmp

memory/1896-3-0x0000000075130000-0x00000000756E1000-memory.dmp

memory/1440-6-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-7-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-10-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-11-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-13-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-12-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-14-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-15-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1896-16-0x0000000075132000-0x0000000075133000-memory.dmp

memory/1896-17-0x0000000075130000-0x00000000756E1000-memory.dmp

memory/1896-18-0x0000000075130000-0x00000000756E1000-memory.dmp

memory/1440-19-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-20-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-21-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-22-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-23-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-24-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-25-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-26-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-27-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-28-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-29-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-30-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-31-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-32-0x0000000000400000-0x00000000004B7000-memory.dmp

memory/1440-33-0x0000000000400000-0x00000000004B7000-memory.dmp