darkcomet | a3717afaeee0b6a23731d2022445ed8e74b20e723af80b99c81d688e0f7e2eda

Analysis

max time kernel
150s
max time network
148s
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 09:15

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General

Target

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Size

502KB
MD5

1995a5672707f582ee59f83b9193c044
SHA1

9b422333131eaf227f24a058e567c9b31e9a3362
SHA256

a3717afaeee0b6a23731d2022445ed8e74b20e723af80b99c81d688e0f7e2eda
SHA512

5dc413600bfd1c251fe20c99460daf40c1b2401b9c15484cfac3d8915ff09f3481d8bc2fc7d2aa9396717666fe0c97901ac91bccf529873845f5e87454ec9d37
SSDEEP

6144:dIT5omhVRsO0osSN4UYOlDX6LYSCJ6wFPa66bwfawGbwyXWx9QYFQkFD998gWNlG:dIj3R4osi6USnjLwGFmx959DENtTird

Score

10^/10

darkcomet ýçñó persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

ÝÇÑÓ

ogdd.servemp3.com:4433

Mutex

DC_MUTEX-ZEB45K2

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
oNjPFSVD68XS
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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:

1995a5672707f582ee59f83b9193c044_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"	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

Drops file in Drivers directory 1 IoCs

Processes:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts 1995a5672707f582ee59f83b9193c044_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:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation 1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

4480 msdcsc.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\International\Geo\Nation	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

pid	process
4480	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.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:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeSecurityPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeBackupPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeRestorePrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeShutdownPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeDebugPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeUndockPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: 33	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: 34	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: 35	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: 36	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4480	msdcsc.exe
Token: SeSecurityPrivilege	4480	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4480	msdcsc.exe
Token: SeLoadDriverPrivilege	4480	msdcsc.exe
Token: SeSystemProfilePrivilege	4480	msdcsc.exe
Token: SeSystemtimePrivilege	4480	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4480	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4480	msdcsc.exe
Token: SeCreatePagefilePrivilege	4480	msdcsc.exe
Token: SeBackupPrivilege	4480	msdcsc.exe
Token: SeRestorePrivilege	4480	msdcsc.exe
Token: SeShutdownPrivilege	4480	msdcsc.exe
Token: SeDebugPrivilege	4480	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4480	msdcsc.exe
Token: SeChangeNotifyPrivilege	4480	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4480	msdcsc.exe
Token: SeUndockPrivilege	4480	msdcsc.exe
Token: SeManageVolumePrivilege	4480	msdcsc.exe
Token: SeImpersonatePrivilege	4480	msdcsc.exe
Token: SeCreateGlobalPrivilege	4480	msdcsc.exe
Token: 33	4480	msdcsc.exe
Token: 34	4480	msdcsc.exe
Token: 35	4480	msdcsc.exe
Token: 36	4480	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

4480 msdcsc.exe

pid	process
4480	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe

description	pid	process	target process
PID 4580 wrote to memory of 4480	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe	msdcsc.exe
PID 4580 wrote to memory of 4480	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe	msdcsc.exe
PID 4580 wrote to memory of 4480	4580	1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1995a5672707f582ee59f83b9193c044_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4580

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4480

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
502KB

MD5
1995a5672707f582ee59f83b9193c044

SHA1
9b422333131eaf227f24a058e567c9b31e9a3362

SHA256
a3717afaeee0b6a23731d2022445ed8e74b20e723af80b99c81d688e0f7e2eda

SHA512
5dc413600bfd1c251fe20c99460daf40c1b2401b9c15484cfac3d8915ff09f3481d8bc2fc7d2aa9396717666fe0c97901ac91bccf529873845f5e87454ec9d37

Download Submit
memory/4480-34-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-36-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-28-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-42-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-29-0x0000000002170000-0x00000000021B3000-memory.dmp

Filesize
268KB

Download
memory/4480-41-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-40-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-39-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-22-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-23-0x0000000002170000-0x00000000021B3000-memory.dmp

Filesize
268KB

Download
memory/4480-24-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/4480-30-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-38-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-27-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-37-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-35-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-33-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-31-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4480-32-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4580-25-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4580-1-0x0000000002140000-0x0000000002183000-memory.dmp

Filesize
268KB

Download
memory/4580-5-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/4580-4-0x00000000020F0000-0x00000000020F1000-memory.dmp

Filesize
4KB

Download
memory/4580-3-0x0000000002100000-0x0000000002101000-memory.dmp

Filesize
4KB

Download
memory/4580-26-0x0000000002140000-0x0000000002183000-memory.dmp

Filesize
268KB

Download
memory/4580-0-0x0000000000400000-0x00000000004ED000-memory.dmp

Filesize
948KB

Download
memory/4580-7-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/4580-2-0x00000000021F0000-0x00000000021F1000-memory.dmp

Filesize
4KB

Download
memory/4580-6-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download