darkcomet | 7c4e144a7e0c1b9f47a204ce8e7497f8e7340a689650645df2b2c7f5238a433e

General

Target

JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe
Size

1.0MB
MD5

6129bb066cd928b3dc825a217d9e4b44
SHA1

eea1844829ef661414d433af87ccff1088f3d6c9
SHA256

7c4e144a7e0c1b9f47a204ce8e7497f8e7340a689650645df2b2c7f5238a433e
SHA512

8030e79956ffa3907b1fc47a6589ce366a2b1c28cbba61d9068620b36b66d6473065305bdb4dadaa80f861bdd66ad58dc460379975dd677a5e32bdcaf8186238
SSDEEP

24576:98HHLVlkItaWrYDICb6khIuUhqZ+IYDqx:K+4kHUFDqx

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

hC_MUTEX-MPNQKUN

Attributes

gencode
mTSkcfmycaiC
install
false
offline_keylogger
true
persistence
false

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

pid	Process
2260	vbc.exe

Loads dropped DLL 1 IoCs

pid	Process
2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe"	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2236 set thread context of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2260	vbc.exe
Token: SeSecurityPrivilege	2260	vbc.exe
Token: SeTakeOwnershipPrivilege	2260	vbc.exe
Token: SeLoadDriverPrivilege	2260	vbc.exe
Token: SeSystemProfilePrivilege	2260	vbc.exe
Token: SeSystemtimePrivilege	2260	vbc.exe
Token: SeProfSingleProcessPrivilege	2260	vbc.exe
Token: SeIncBasePriorityPrivilege	2260	vbc.exe
Token: SeCreatePagefilePrivilege	2260	vbc.exe
Token: SeBackupPrivilege	2260	vbc.exe
Token: SeRestorePrivilege	2260	vbc.exe
Token: SeShutdownPrivilege	2260	vbc.exe
Token: SeDebugPrivilege	2260	vbc.exe
Token: SeSystemEnvironmentPrivilege	2260	vbc.exe
Token: SeChangeNotifyPrivilege	2260	vbc.exe
Token: SeRemoteShutdownPrivilege	2260	vbc.exe
Token: SeUndockPrivilege	2260	vbc.exe
Token: SeManageVolumePrivilege	2260	vbc.exe
Token: SeImpersonatePrivilege	2260	vbc.exe
Token: SeCreateGlobalPrivilege	2260	vbc.exe
Token: 33	2260	vbc.exe
Token: 34	2260	vbc.exe
Token: 35	2260	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2260	vbc.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29
PID 2236 wrote to memory of 2260	2236	JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe	29

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6129bb066cd928b3dc825a217d9e4b44.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- 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
  - Suspicious use of SetWindowsHookEx
  PID:2260

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 Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2236-24-0x0000000074FF0000-0x000000007559B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-1-0x0000000074FF0000-0x000000007559B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-2-0x0000000074FF0000-0x000000007559B000-memory.dmp

Filesize
5.7MB

Download
memory/2236-0-0x0000000074FF1000-0x0000000074FF2000-memory.dmp

Filesize
4KB

Download
memory/2260-17-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-27-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-18-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-23-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-21-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2260-16-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-15-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-26-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-25-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-29-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-28-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-14-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-13-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-11-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-9-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-30-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2260-32-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads