darkcomet | 64e971ca34fbd907e30392889d8a05e1a7bdccc237d198b3906643761fd3a0c1

Analysis

max time kernel
141s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 12:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Size

660KB
MD5

1a16af0922dd982139bf3eac3721480e
SHA1

d97bf367d95b3140eec77221311c3806eac9f00d
SHA256

64e971ca34fbd907e30392889d8a05e1a7bdccc237d198b3906643761fd3a0c1
SHA512

5ad04f5a1512273e4dcdd5df579a3c8be0404c979fa773e504de03cda2b4eb39222eee84cd7751d4b5fad33a1ba40afe2d708c2ab7ecd6e4a9028bbd79b7bdad
SSDEEP

12288:QXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuXksh/fy452Us:2nAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jh

Score

10^/10

darkcomet persistence rat trojan

Malware Config

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation 1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

332 msdcsc.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe

pid	process
332	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KeyName = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeSecurityPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeBackupPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeRestorePrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeShutdownPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeDebugPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeUndockPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: 33	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: 34	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: 35	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: 36	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	332	msdcsc.exe
Token: SeSecurityPrivilege	332	msdcsc.exe
Token: SeTakeOwnershipPrivilege	332	msdcsc.exe
Token: SeLoadDriverPrivilege	332	msdcsc.exe
Token: SeSystemProfilePrivilege	332	msdcsc.exe
Token: SeSystemtimePrivilege	332	msdcsc.exe
Token: SeProfSingleProcessPrivilege	332	msdcsc.exe
Token: SeIncBasePriorityPrivilege	332	msdcsc.exe
Token: SeCreatePagefilePrivilege	332	msdcsc.exe
Token: SeBackupPrivilege	332	msdcsc.exe
Token: SeRestorePrivilege	332	msdcsc.exe
Token: SeShutdownPrivilege	332	msdcsc.exe
Token: SeDebugPrivilege	332	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	332	msdcsc.exe
Token: SeChangeNotifyPrivilege	332	msdcsc.exe
Token: SeRemoteShutdownPrivilege	332	msdcsc.exe
Token: SeUndockPrivilege	332	msdcsc.exe
Token: SeManageVolumePrivilege	332	msdcsc.exe
Token: SeImpersonatePrivilege	332	msdcsc.exe
Token: SeCreateGlobalPrivilege	332	msdcsc.exe
Token: 33	332	msdcsc.exe
Token: 34	332	msdcsc.exe
Token: 35	332	msdcsc.exe
Token: 36	332	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

332 msdcsc.exe

pid	process
332	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe

description	pid	process	target process
PID 4720 wrote to memory of 332	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe	msdcsc.exe
PID 4720 wrote to memory of 332	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe	msdcsc.exe
PID 4720 wrote to memory of 332	4720	1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a16af0922dd982139bf3eac3721480e_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4720

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:332

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
660KB

MD5
1a16af0922dd982139bf3eac3721480e

SHA1
d97bf367d95b3140eec77221311c3806eac9f00d

SHA256
64e971ca34fbd907e30392889d8a05e1a7bdccc237d198b3906643761fd3a0c1

SHA512
5ad04f5a1512273e4dcdd5df579a3c8be0404c979fa773e504de03cda2b4eb39222eee84cd7751d4b5fad33a1ba40afe2d708c2ab7ecd6e4a9028bbd79b7bdad

Download Submit
memory/332-13-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/332-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4720-0-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download
memory/4720-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download