darkcomet | 41b5b1ba80f61241e01d85a7e97147b58350bdb246e8a0e96ce59ea9f531feb7

General

Target

9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe
Size

1.1MB
MD5

9f8f24c6fc33ab014ac0e1b2dd94cfd3
SHA1

b837353c764c608ece525b88b6ac352967385808
SHA256

41b5b1ba80f61241e01d85a7e97147b58350bdb246e8a0e96ce59ea9f531feb7
SHA512

14076a3c86b34cd76b75a1791ced232bbcd2ab00a3cd70bf789e52c3108a51f1c878c293d09fc91f593a5642ee3abad1c86a6fe0923c59c6c940acd0264a02b2
SSDEEP

12288:ZNdxlPTkZYg0nUvW9uzPPFhYyzGGzDrslSh/i+nNiiQ4qf9JYV578O922JSkQWID:ZNdxqv1/rsoxO9aXyvT8RYngUDrh

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid	Process
3948	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HostProcess = "C:\\Users\\Admin\\AppData\\Roaming\\HostProcess\\9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe"	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3808 set thread context of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exevbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe

pid	Process
3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exevbc.exe

description	pid	Process
Token: SeDebugPrivilege	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3948	vbc.exe
Token: SeSecurityPrivilege	3948	vbc.exe
Token: SeTakeOwnershipPrivilege	3948	vbc.exe
Token: SeLoadDriverPrivilege	3948	vbc.exe
Token: SeSystemProfilePrivilege	3948	vbc.exe
Token: SeSystemtimePrivilege	3948	vbc.exe
Token: SeProfSingleProcessPrivilege	3948	vbc.exe
Token: SeIncBasePriorityPrivilege	3948	vbc.exe
Token: SeCreatePagefilePrivilege	3948	vbc.exe
Token: SeBackupPrivilege	3948	vbc.exe
Token: SeRestorePrivilege	3948	vbc.exe
Token: SeShutdownPrivilege	3948	vbc.exe
Token: SeDebugPrivilege	3948	vbc.exe
Token: SeSystemEnvironmentPrivilege	3948	vbc.exe
Token: SeChangeNotifyPrivilege	3948	vbc.exe
Token: SeRemoteShutdownPrivilege	3948	vbc.exe
Token: SeUndockPrivilege	3948	vbc.exe
Token: SeManageVolumePrivilege	3948	vbc.exe
Token: SeImpersonatePrivilege	3948	vbc.exe
Token: SeCreateGlobalPrivilege	3948	vbc.exe
Token: 33	3948	vbc.exe
Token: 34	3948	vbc.exe
Token: 35	3948	vbc.exe
Token: 36	3948	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe

description	pid	Process	procid_target
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83
PID 3808 wrote to memory of 3948	3808	9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9f8f24c6fc33ab014ac0e1b2dd94cfd3_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3808
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/3808-0-0x0000000074EF2000-0x0000000074EF3000-memory.dmp

Filesize
4KB

Download
memory/3808-1-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/3808-2-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/3808-15-0x0000000074EF0000-0x00000000754A1000-memory.dmp

Filesize
5.7MB

Download
memory/3948-10-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-19-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/3948-12-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-16-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/3948-17-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-7-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-18-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-14-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-20-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-21-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-22-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-23-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-25-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-27-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-30-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/3948-32-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads