darkcomet | 809073a0db03385ab8df958c6deb6b23510464102a4e16f4682d628043e2a9a3

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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

2100 svchost.exe

pid	process
2100	svchost.exe

UPX packed file 22 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2100-6-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-16-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-15-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-20-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-19-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-14-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-12-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-21-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-22-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-23-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-24-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-26-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-27-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-28-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-29-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-30-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-31-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-32-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-33-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/2100-34-0x0000000000400000-0x00000000004BA000-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-1-5-21-2539840389-1261165778-1087677076-1000\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 4888 set thread context of 2100 4888 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 4888 set thread context of 2100	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

1837abb41ffb9e79123983cac207c736_JaffaCakes118.exesvchost.exe

description	pid	process
Token: SeDebugPrivilege	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2100	svchost.exe
Token: SeSecurityPrivilege	2100	svchost.exe
Token: SeTakeOwnershipPrivilege	2100	svchost.exe
Token: SeLoadDriverPrivilege	2100	svchost.exe
Token: SeSystemProfilePrivilege	2100	svchost.exe
Token: SeSystemtimePrivilege	2100	svchost.exe
Token: SeProfSingleProcessPrivilege	2100	svchost.exe
Token: SeIncBasePriorityPrivilege	2100	svchost.exe
Token: SeCreatePagefilePrivilege	2100	svchost.exe
Token: SeBackupPrivilege	2100	svchost.exe
Token: SeRestorePrivilege	2100	svchost.exe
Token: SeShutdownPrivilege	2100	svchost.exe
Token: SeDebugPrivilege	2100	svchost.exe
Token: SeSystemEnvironmentPrivilege	2100	svchost.exe
Token: SeChangeNotifyPrivilege	2100	svchost.exe
Token: SeRemoteShutdownPrivilege	2100	svchost.exe
Token: SeUndockPrivilege	2100	svchost.exe
Token: SeManageVolumePrivilege	2100	svchost.exe
Token: SeImpersonatePrivilege	2100	svchost.exe
Token: SeCreateGlobalPrivilege	2100	svchost.exe
Token: 33	2100	svchost.exe
Token: 34	2100	svchost.exe
Token: 35	2100	svchost.exe
Token: 36	2100	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

2100 svchost.exe

pid	process
2100	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe

description	pid	process	target process
PID 4888 wrote to memory of 2100	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 4888 wrote to memory of 2100	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 4888 wrote to memory of 2100	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 4888 wrote to memory of 2100	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 4888 wrote to memory of 2100	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 4888 wrote to memory of 2100	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 4888 wrote to memory of 2100	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe
PID 4888 wrote to memory of 2100	4888	1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1837abb41ffb9e79123983cac207c736_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888

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:2100

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
34KB

MD5
e118330b4629b12368d91b9df6488be0

SHA1
ce90218c7e3b90df2a3409ec253048bb6472c2fd

SHA256
3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9

SHA512
ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

Download Submit
memory/2100-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-34-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-33-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-32-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-17-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/2100-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-6-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-31-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-26-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-28-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2100-30-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4888-1-0x0000000075290000-0x0000000075841000-memory.dmp

Filesize
5.7MB

Download
memory/4888-18-0x0000000075290000-0x0000000075841000-memory.dmp

Filesize
5.7MB

Download
memory/4888-2-0x0000000075290000-0x0000000075841000-memory.dmp

Filesize
5.7MB

Download
memory/4888-0-0x0000000075292000-0x0000000075293000-memory.dmp

Filesize
4KB

Download