Malware Analysis Report

2024-10-23 20:38

Sample ID 240627-ykvwqszdpj
Target 174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118
SHA256 3a067942f8e86aa1267b8bad398dc683aa189082cc86964ac93116f4fca089e1
Tags
darkcomet rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

3a067942f8e86aa1267b8bad398dc683aa189082cc86964ac93116f4fca089e1

Threat Level: Known bad

The file 174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

darkcomet rat trojan

Darkcomet

Executes dropped EXE

Uses the VBS compiler for execution

Loads dropped DLL

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-27 19:51

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-27 19:51

Reported

2024-06-27 19:53

Platform

win7-20231129-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\vbc.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe N/A

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2888 set thread context of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 2888 wrote to memory of 1704 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\vbc.exe

C:\Users\Admin\AppData\Local\Temp\vbc.exe

Network

N/A

Files

memory/2888-0-0x0000000074C61000-0x0000000074C62000-memory.dmp

memory/2888-1-0x0000000074C60000-0x000000007520B000-memory.dmp

memory/2888-2-0x0000000074C60000-0x000000007520B000-memory.dmp

\Users\Admin\AppData\Local\Temp\vbc.exe

MD5 34aa912defa18c2c129f1e09d75c1d7e
SHA1 9c3046324657505a30ecd9b1fdb46c05bde7d470
SHA256 6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386
SHA512 d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

memory/1704-7-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/1704-19-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/1704-29-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/1704-25-0x0000000000010000-0x0000000000011000-memory.dmp

memory/1704-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1704-17-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/1704-15-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/1704-13-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/1704-11-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/1704-8-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/1704-23-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/1704-9-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/2888-31-0x0000000074C60000-0x000000007520B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-27 19:51

Reported

2024-06-27 19:53

Platform

win10v2004-20240508-en

Max time kernel

150s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe"

Signatures

Darkcomet

trojan rat darkcomet

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\vbc.exe N/A

Uses the VBS compiler for execution

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4960 set thread context of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\vbc.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe
PID 4960 wrote to memory of 3288 N/A C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\vbc.exe

Processes

C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\174f6ff5bdb4c4bbd35534e61147866f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\vbc.exe

C:\Users\Admin\AppData\Local\Temp\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 id-4561.zapto.org udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 3.166.122.92.in-addr.arpa udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp
US 8.8.8.8:53 id-4561.zapto.org udp

Files

memory/4960-0-0x00007FFAF8010000-0x00007FFAF8205000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\vbc.exe

MD5 d881de17aa8f2e2c08cbb7b265f928f9
SHA1 08936aebc87decf0af6e8eada191062b5e65ac2a
SHA256 b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0
SHA512 5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

memory/3288-3-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-6-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-10-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-8-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-11-0x00007FFAF8010000-0x00007FFAF8205000-memory.dmp

memory/3288-14-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-13-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-12-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-15-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-16-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-17-0x00007FFAF8010000-0x00007FFAF8205000-memory.dmp

memory/3288-18-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-19-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-20-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-21-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-22-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-23-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-24-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-25-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-26-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-27-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-28-0x0000000000400000-0x00000000004B3000-memory.dmp

memory/3288-29-0x0000000000400000-0x00000000004B3000-memory.dmp