darkcomet | 8bc0eae26528b785f20393a5cd5241846b4824de3ef3bfc1cef88b355f322ef0

General

Target

2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Size

4.8MB
MD5

2f5531d81967c8dd1679c1fccaccfa56
SHA1

e491c65f9df096be05c1be4573eb16618b20f729
SHA256

8bc0eae26528b785f20393a5cd5241846b4824de3ef3bfc1cef88b355f322ef0
SHA512

8b6140b0646fcd5a29c8b8d4c4503b35600bd8bd3327d14b158ca2bf826ff5af09919f1c8d02469422f0cf0cc412fadf0d01a26e0c8099128f22e55629cf9d2a
SSDEEP

49152:FQDgok308EE1Lc/LU0Y0d/y31HQXLvesSoAR6O8HRJiF:FQU/bK/LTY0B1WZoAR6NJ2

Score

10^/10

darkcomet mal evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Mal

C2

cenkisgod.duckdns.org:1604

Mutex

DC_MUTEX-KQ70CB5

Attributes

InstallPath
svchost.exe
gencode
B3JeokQztkF1
install
true
offline_keylogger
true
persistence
true
reg_key
System

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:

2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windows\\system32\\B3JeokQztkF1\\svchost.exe"	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Windows Service
T1543.003

Processes:

svchost.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" svchost.exe
Windows security bypass 2 TTPs 1 IoCs
evasion trojan

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svchost.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	svchost.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:

2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

CSGOINJECTOR.EXEsvchost.exe

pid process

3312 CSGOINJECTOR.EXE
1136 svchost.exe
Windows security modification 2 TTPs 1 IoCs
evasion trojan

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

svchost.exe

description ioc process

Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1" svchost.exe

pid	process
3312	CSGOINJECTOR.EXE
1136	svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\B3JeokQztkF1\\svchost.exe"	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\B3JeokQztkF1\\svchost.exe"	svchost.exe

Drops file in System32 directory 4 IoCs

Processes:

2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\SysWOW64\svchost.exe	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\B3JeokQztkF1\svchost.exe	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\B3JeokQztkF1\svchost.exe	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\B3JeokQztkF1\	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exesvchost.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeSecurityPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeBackupPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeRestorePrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeShutdownPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeDebugPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeUndockPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: 33	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: 34	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: 35	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: 36	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1136	svchost.exe
Token: SeSecurityPrivilege	1136	svchost.exe
Token: SeTakeOwnershipPrivilege	1136	svchost.exe
Token: SeLoadDriverPrivilege	1136	svchost.exe
Token: SeSystemProfilePrivilege	1136	svchost.exe
Token: SeSystemtimePrivilege	1136	svchost.exe
Token: SeProfSingleProcessPrivilege	1136	svchost.exe
Token: SeIncBasePriorityPrivilege	1136	svchost.exe
Token: SeCreatePagefilePrivilege	1136	svchost.exe
Token: SeBackupPrivilege	1136	svchost.exe
Token: SeRestorePrivilege	1136	svchost.exe
Token: SeShutdownPrivilege	1136	svchost.exe
Token: SeDebugPrivilege	1136	svchost.exe
Token: SeSystemEnvironmentPrivilege	1136	svchost.exe
Token: SeChangeNotifyPrivilege	1136	svchost.exe
Token: SeRemoteShutdownPrivilege	1136	svchost.exe
Token: SeUndockPrivilege	1136	svchost.exe
Token: SeManageVolumePrivilege	1136	svchost.exe
Token: SeImpersonatePrivilege	1136	svchost.exe
Token: SeCreateGlobalPrivilege	1136	svchost.exe
Token: 33	1136	svchost.exe
Token: 34	1136	svchost.exe
Token: 35	1136	svchost.exe
Token: 36	1136	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

svchost.exe

pid process

1136 svchost.exe

pid	process
1136	svchost.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exesvchost.exe

description	pid	process	target process
PID 2400 wrote to memory of 3312	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe	CSGOINJECTOR.EXE
PID 2400 wrote to memory of 3312	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe	CSGOINJECTOR.EXE
PID 2400 wrote to memory of 3312	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe	CSGOINJECTOR.EXE
PID 2400 wrote to memory of 1136	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe	svchost.exe
PID 2400 wrote to memory of 1136	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe	svchost.exe
PID 2400 wrote to memory of 1136	2400	2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe	svchost.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe
PID 1136 wrote to memory of 2644	1136	svchost.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2f5531d81967c8dd1679c1fccaccfa56_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400

C:\Users\Admin\AppData\Local\Temp\CSGOINJECTOR.EXE
"C:\Users\Admin\AppData\Local\Temp\CSGOINJECTOR.EXE"
2⤵
- Executes dropped EXE
PID:3312

C:\Windows\SysWOW64\B3JeokQztkF1\svchost.exe
"C:\Windows\system32\B3JeokQztkF1\svchost.exe"
2⤵
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1136

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:2644

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Modify Registry

5

T1112

Impair Defenses

2

T1562

Disable or Modify Tools

2

T1562.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\CSGOINJECTOR.EXE
Filesize
4.1MB

MD5
ec06d885f4fc1cec0e225ed8a4d3bbee

SHA1
070585ef1c8c397aa5a5e2bbe00571b5bd44ad61

SHA256
fccbe29401728f2b52da85fbe9be48ddd6ba93deb48844c6bd66fa206defe67a

SHA512
38106dba85019a39700b06973f327b61f1c12245643b072c4e485552e2e32462eacd4c0197f5062185b260df4ce6a79103891ffc894bf74ad2d319c4c377fac4

Download Submit
C:\Windows\SysWOW64\B3JeokQztkF1\svchost.exe
Filesize
4.8MB

MD5
2f5531d81967c8dd1679c1fccaccfa56

SHA1
e491c65f9df096be05c1be4573eb16618b20f729

SHA256
8bc0eae26528b785f20393a5cd5241846b4824de3ef3bfc1cef88b355f322ef0

SHA512
8b6140b0646fcd5a29c8b8d4c4503b35600bd8bd3327d14b158ca2bf826ff5af09919f1c8d02469422f0cf0cc412fadf0d01a26e0c8099128f22e55629cf9d2a

Download Submit
memory/1136-82-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-78-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-86-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-85-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-73-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-74-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-75-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-76-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-77-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-70-0x0000000002790000-0x0000000002791000-memory.dmp

Filesize
4KB

Download
memory/1136-79-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-80-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-81-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-84-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/1136-83-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/2400-0-0x0000000002690000-0x0000000002691000-memory.dmp

Filesize
4KB

Download
memory/2400-72-0x0000000000400000-0x00000000008D4000-memory.dmp

Filesize
4.8MB

Download
memory/2644-71-0x0000000001040000-0x0000000001041000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads