darkcomet | 809073a0db03385ab8df958c6deb6b23510464102a4e16f4682d628043e2a9a3

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 01:03

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General

Target

1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe
Size

288KB
MD5

1837abb41ffb9e79123983cac207c736
SHA1

32a8c2f2992c4634df31e98b68b66674ed91e182
SHA256

809073a0db03385ab8df958c6deb6b23510464102a4e16f4682d628043e2a9a3
SHA512

bf5f166c40f30b3c25619892f599f744d4a6cdd7a6f3340473d58b60f7dc1f29682775c81952e40ac7e292e9b404b77d938c9f5018375636e65bae0017fba78a
SSDEEP

6144:4sahRrWWf72qB1k05ihiaQLbbHVhaTCaPOQRTg2GNANvzETnen9vqMbWHTOux:4sahRtyqDk0LaQbbH3amrQRT0ANv/NuH

Score

10^/10

darkcomet guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

darkjared.no-ip.biz:1995

Mutex

DC_MUTEX-F54S21D

Attributes

gencode
P7Ql4gk1eeEG
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

2896 svchost.exe
Loads dropped DLL 1 IoCs

Processes:

1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe

pid process

2024 1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe

pid	process
2896	svchost.exe

pid	process
2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe

UPX packed file 25 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2896-16-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-17-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-14-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-11-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-22-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-24-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-28-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-27-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-29-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-30-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-31-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-32-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-33-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-34-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-35-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-36-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-37-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-38-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-39-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-40-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-41-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-42-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral1/memory/2896-43-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WinUpdate\\winupdate.exe"	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe

description pid process target process

PID 2024 set thread context of 2896 2024 1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe svchost.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 2024 set thread context of 2896	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

1837abb41ffb9e79123983cac207c736_JaffaCakes118.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2896	svchost.exe
Token: SeSecurityPrivilege	2896	svchost.exe
Token: SeTakeOwnershipPrivilege	2896	svchost.exe
Token: SeLoadDriverPrivilege	2896	svchost.exe
Token: SeSystemProfilePrivilege	2896	svchost.exe
Token: SeSystemtimePrivilege	2896	svchost.exe
Token: SeProfSingleProcessPrivilege	2896	svchost.exe
Token: SeIncBasePriorityPrivilege	2896	svchost.exe
Token: SeCreatePagefilePrivilege	2896	svchost.exe
Token: SeBackupPrivilege	2896	svchost.exe
Token: SeRestorePrivilege	2896	svchost.exe
Token: SeShutdownPrivilege	2896	svchost.exe
Token: SeDebugPrivilege	2896	svchost.exe
Token: SeSystemEnvironmentPrivilege	2896	svchost.exe
Token: SeChangeNotifyPrivilege	2896	svchost.exe
Token: SeRemoteShutdownPrivilege	2896	svchost.exe
Token: SeUndockPrivilege	2896	svchost.exe
Token: SeManageVolumePrivilege	2896	svchost.exe
Token: SeImpersonatePrivilege	2896	svchost.exe
Token: SeCreateGlobalPrivilege	2896	svchost.exe
Token: 33	2896	svchost.exe
Token: 34	2896	svchost.exe
Token: 35	2896	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

2896 svchost.exe

pid	process
2896	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe

description	pid	process	target process
PID 2024 wrote to memory of 2896	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 2024 wrote to memory of 2896	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 2024 wrote to memory of 2896	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 2024 wrote to memory of 2896	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 2024 wrote to memory of 2896	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 2024 wrote to memory of 2896	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 2024 wrote to memory of 2896	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 2024 wrote to memory of 2896	2024	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2024

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2896

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/2024-23-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download
memory/2024-1-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download
memory/2024-2-0x0000000074760000-0x0000000074D0B000-memory.dmp

Filesize
5.7MB

Download
memory/2024-0-0x0000000074761000-0x0000000074762000-memory.dmp

Filesize
4KB

Download
memory/2896-28-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2896-11-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-26-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2896-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-30-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-31-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-32-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-33-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-34-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-35-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-36-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-37-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-38-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-39-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-40-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-41-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-42-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2896-43-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download