darkcomet | 9b4ccdf21a6b12dcd13c38dd858ffd9758f94b0cf9440437281267c0571b4295

Analysis

max time kernel
148s
max time network
155s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
28-06-2024 03:36

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General

Target

18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Size

346KB
MD5

18a3afb1be87d046b3a123c917ec65b7
SHA1

f8c05182e5a64ebb4deab1b50086853178365c00
SHA256

9b4ccdf21a6b12dcd13c38dd858ffd9758f94b0cf9440437281267c0571b4295
SHA512

de8c0c99fe7584e2998df99efd8c267965ccc2907650efdb5afd9aaddf405d1dc77dd01d77f3c88c667b30e93c6bd4d85edf683a600653b4116842c01f5bfeb6
SSDEEP

6144:lScwMXuUrtIHwfBbvGv8PC4iMhroCaBbuNqDFenq64WXy2w4gjvX1KIDJ2g:lSportIi7PC4iMXb4FiqjJP1zF

Score

10^/10

darkcomet guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

smr9.no-ip.org:1604

Mutex

DC_MUTEX-6G58T1Y

Attributes

InstallPath
MSDCSC\lsass.exe
gencode
49MpPfFc4FEb
install
true
offline_keylogger
false
password
123456
persistence
true
reg_key
lsass.exe

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:

18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\lsass.exe"	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

lsass.exelsass.exe

pid process

2724 lsass.exe
2716 lsass.exe
Loads dropped DLL 2 IoCs

Processes:

18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe

pid process

2412 18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
2412 18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe

pid	process
2724	lsass.exe
2716	lsass.exe

pid	process
2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe

UPX packed file 32 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2412-2-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-5-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-8-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2412-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-57-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-68-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2716-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exelsass.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe"	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe"	lsass.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exelsass.exe

description	pid	process	target process
PID 2384 set thread context of 2412	2384	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
PID 2724 set thread context of 2716	2724	lsass.exe	lsass.exe

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

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

lsass.exe

pid process

2716 lsass.exe

pid	process
2716	lsass.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exelsass.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeSecurityPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeBackupPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeRestorePrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeShutdownPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeDebugPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeUndockPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: 33	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: 34	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: 35	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2716	lsass.exe
Token: SeSecurityPrivilege	2716	lsass.exe
Token: SeTakeOwnershipPrivilege	2716	lsass.exe
Token: SeLoadDriverPrivilege	2716	lsass.exe
Token: SeSystemProfilePrivilege	2716	lsass.exe
Token: SeSystemtimePrivilege	2716	lsass.exe
Token: SeProfSingleProcessPrivilege	2716	lsass.exe
Token: SeIncBasePriorityPrivilege	2716	lsass.exe
Token: SeCreatePagefilePrivilege	2716	lsass.exe
Token: SeBackupPrivilege	2716	lsass.exe
Token: SeRestorePrivilege	2716	lsass.exe
Token: SeShutdownPrivilege	2716	lsass.exe
Token: SeDebugPrivilege	2716	lsass.exe
Token: SeSystemEnvironmentPrivilege	2716	lsass.exe
Token: SeChangeNotifyPrivilege	2716	lsass.exe
Token: SeRemoteShutdownPrivilege	2716	lsass.exe
Token: SeUndockPrivilege	2716	lsass.exe
Token: SeManageVolumePrivilege	2716	lsass.exe
Token: SeImpersonatePrivilege	2716	lsass.exe
Token: SeCreateGlobalPrivilege	2716	lsass.exe
Token: 33	2716	lsass.exe
Token: 34	2716	lsass.exe
Token: 35	2716	lsass.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exelsass.exe

description	pid	process	target process
PID 2384 wrote to memory of 2412	2384	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
PID 2384 wrote to memory of 2412	2384	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
PID 2384 wrote to memory of 2412	2384	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
PID 2384 wrote to memory of 2412	2384	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
PID 2384 wrote to memory of 2412	2384	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
PID 2384 wrote to memory of 2412	2384	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
PID 2384 wrote to memory of 2412	2384	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
PID 2384 wrote to memory of 2412	2384	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
PID 2412 wrote to memory of 2724	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	lsass.exe
PID 2412 wrote to memory of 2724	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	lsass.exe
PID 2412 wrote to memory of 2724	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	lsass.exe
PID 2412 wrote to memory of 2724	2412	18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe	lsass.exe
PID 2724 wrote to memory of 2716	2724	lsass.exe	lsass.exe
PID 2724 wrote to memory of 2716	2724	lsass.exe	lsass.exe
PID 2724 wrote to memory of 2716	2724	lsass.exe	lsass.exe
PID 2724 wrote to memory of 2716	2724	lsass.exe	lsass.exe
PID 2724 wrote to memory of 2716	2724	lsass.exe	lsass.exe
PID 2724 wrote to memory of 2716	2724	lsass.exe	lsass.exe
PID 2724 wrote to memory of 2716	2724	lsass.exe	lsass.exe
PID 2724 wrote to memory of 2716	2724	lsass.exe	lsass.exe

C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2384

C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\18a3afb1be87d046b3a123c917ec65b7_JaffaCakes118.exe
2⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412

C:\MSDCSC\lsass.exe
"C:\MSDCSC\lsass.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2724

C:\MSDCSC\lsass.exe
C:\MSDCSC\lsass.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2716

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

\MSDCSC\lsass.exe
Filesize
346KB

MD5
18a3afb1be87d046b3a123c917ec65b7

SHA1
f8c05182e5a64ebb4deab1b50086853178365c00

SHA256
9b4ccdf21a6b12dcd13c38dd858ffd9758f94b0cf9440437281267c0571b4295

SHA512
de8c0c99fe7584e2998df99efd8c267965ccc2907650efdb5afd9aaddf405d1dc77dd01d77f3c88c667b30e93c6bd4d85edf683a600653b4116842c01f5bfeb6

Download Submit
memory/2384-12-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2412-8-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-5-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-2-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2412-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2412-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-66-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2716-68-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2724-48-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download