darkcomet | d8d95587173077265b251ef2ad7d0682a229ad227b5878d3d9dd9a638eef9841

General

Target

f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Size

758KB
MD5

f03f4eec551892fd56cd50faefe098c3
SHA1

661a0acbd9d94e8a915e59e922af36022a3d8898
SHA256

d8d95587173077265b251ef2ad7d0682a229ad227b5878d3d9dd9a638eef9841
SHA512

7b6acfc53f86b281cb2e841c1ec3f851c2b4e7b30358ec29740076d1b888bb531e35ad6465be026cee4a2fac38632609f62b60afc323f355e2ab73ce47db9c59
SSDEEP

12288:yXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Uy:8nAw2WWeFcfbP9VPSPMTSPL/rWvzq4Ji

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

andrey222.hopto.org:1604

Mutex

DC_MUTEX-TUY6P8V

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
YWgrDFvxt48B
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:

f03f4eec551892fd56cd50faefe098c3_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\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1528 msdcsc.exe
Loads dropped DLL 2 IoCs

Processes:

f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe

pid process

2820 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
2820 f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe

pid	process
1528	msdcsc.exe

pid	process
2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exemsdcsc.exeiexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\msdcsc.exe"	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

msdcsc.exe

description pid process target process

PID 1528 set thread context of 1876 1528 msdcsc.exe iexplore.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 1528 set thread context of 1876	1528	msdcsc.exe	iexplore.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exemsdcsc.exeiexplore.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeSecurityPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeBackupPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeRestorePrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeShutdownPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeDebugPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeUndockPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: 33	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: 34	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: 35	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1528	msdcsc.exe
Token: SeSecurityPrivilege	1528	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1528	msdcsc.exe
Token: SeLoadDriverPrivilege	1528	msdcsc.exe
Token: SeSystemProfilePrivilege	1528	msdcsc.exe
Token: SeSystemtimePrivilege	1528	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1528	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1528	msdcsc.exe
Token: SeCreatePagefilePrivilege	1528	msdcsc.exe
Token: SeBackupPrivilege	1528	msdcsc.exe
Token: SeRestorePrivilege	1528	msdcsc.exe
Token: SeShutdownPrivilege	1528	msdcsc.exe
Token: SeDebugPrivilege	1528	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1528	msdcsc.exe
Token: SeChangeNotifyPrivilege	1528	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1528	msdcsc.exe
Token: SeUndockPrivilege	1528	msdcsc.exe
Token: SeManageVolumePrivilege	1528	msdcsc.exe
Token: SeImpersonatePrivilege	1528	msdcsc.exe
Token: SeCreateGlobalPrivilege	1528	msdcsc.exe
Token: 33	1528	msdcsc.exe
Token: 34	1528	msdcsc.exe
Token: 35	1528	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	1876	iexplore.exe
Token: SeSecurityPrivilege	1876	iexplore.exe
Token: SeTakeOwnershipPrivilege	1876	iexplore.exe
Token: SeLoadDriverPrivilege	1876	iexplore.exe
Token: SeSystemProfilePrivilege	1876	iexplore.exe
Token: SeSystemtimePrivilege	1876	iexplore.exe
Token: SeProfSingleProcessPrivilege	1876	iexplore.exe
Token: SeIncBasePriorityPrivilege	1876	iexplore.exe
Token: SeCreatePagefilePrivilege	1876	iexplore.exe
Token: SeBackupPrivilege	1876	iexplore.exe
Token: SeRestorePrivilege	1876	iexplore.exe
Token: SeShutdownPrivilege	1876	iexplore.exe
Token: SeDebugPrivilege	1876	iexplore.exe
Token: SeSystemEnvironmentPrivilege	1876	iexplore.exe
Token: SeChangeNotifyPrivilege	1876	iexplore.exe
Token: SeRemoteShutdownPrivilege	1876	iexplore.exe
Token: SeUndockPrivilege	1876	iexplore.exe
Token: SeManageVolumePrivilege	1876	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

iexplore.exe

pid process

1876 iexplore.exe

pid	process
1876	iexplore.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exemsdcsc.exe

description	pid	process	target process
PID 2820 wrote to memory of 1528	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe	msdcsc.exe
PID 2820 wrote to memory of 1528	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe	msdcsc.exe
PID 2820 wrote to memory of 1528	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe	msdcsc.exe
PID 2820 wrote to memory of 1528	2820	f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe	msdcsc.exe
PID 1528 wrote to memory of 1876	1528	msdcsc.exe	iexplore.exe
PID 1528 wrote to memory of 1876	1528	msdcsc.exe	iexplore.exe
PID 1528 wrote to memory of 1876	1528	msdcsc.exe	iexplore.exe
PID 1528 wrote to memory of 1876	1528	msdcsc.exe	iexplore.exe
PID 1528 wrote to memory of 1876	1528	msdcsc.exe	iexplore.exe
PID 1528 wrote to memory of 1876	1528	msdcsc.exe	iexplore.exe

C:\Users\Admin\AppData\Local\Temp\f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f03f4eec551892fd56cd50faefe098c3_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2820

C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1876

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Users\Admin\AppData\Roaming\MSDCSC\msdcsc.exe
Filesize
758KB

MD5
f03f4eec551892fd56cd50faefe098c3

SHA1
661a0acbd9d94e8a915e59e922af36022a3d8898

SHA256
d8d95587173077265b251ef2ad7d0682a229ad227b5878d3d9dd9a638eef9841

SHA512
7b6acfc53f86b281cb2e841c1ec3f851c2b4e7b30358ec29740076d1b888bb531e35ad6465be026cee4a2fac38632609f62b60afc323f355e2ab73ce47db9c59

Download Submit
memory/1528-13-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1528-16-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1876-15-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2820-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2820-12-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads