darkcomet | 55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c

General

Target

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Size

658KB
MD5

7f6522eed5681006fef33f7aeb092586
SHA1

1b2831396a354b54421447ad782ff2374d5e0bf0
SHA256

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c
SHA512

2d7bf2051dbcaea70f0ee06ee5754123c9bc1b95dcbffdc3b749c4284451e31cd3820a4ac320a926950b66d65b222e9ff3fbe5cd76f8e38833cdd245dd4243e2

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

enexbke.no-ip.org:1604

Mutex

DC_MUTEX-40LW3PY

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
5qF963E8o4fU
install
true
offline_keylogger
true
persistence
false
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

T1004

Modify Registry

T1112

Processes:

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

5072 msdcsc.exe

pid	process
5072	msdcsc.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:

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\Control Panel\International\Geo\Nation	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3463845317-933582289-45817732-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeSecurityPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeTakeOwnershipPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeLoadDriverPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeSystemProfilePrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeSystemtimePrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeProfSingleProcessPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeIncBasePriorityPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeCreatePagefilePrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeBackupPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeRestorePrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeShutdownPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeDebugPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeSystemEnvironmentPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeChangeNotifyPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeRemoteShutdownPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeUndockPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeManageVolumePrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeImpersonatePrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeCreateGlobalPrivilege	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: 33	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: 34	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: 35	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: 36	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeIncreaseQuotaPrivilege	5072	msdcsc.exe
Token: SeSecurityPrivilege	5072	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5072	msdcsc.exe
Token: SeLoadDriverPrivilege	5072	msdcsc.exe
Token: SeSystemProfilePrivilege	5072	msdcsc.exe
Token: SeSystemtimePrivilege	5072	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5072	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5072	msdcsc.exe
Token: SeCreatePagefilePrivilege	5072	msdcsc.exe
Token: SeBackupPrivilege	5072	msdcsc.exe
Token: SeRestorePrivilege	5072	msdcsc.exe
Token: SeShutdownPrivilege	5072	msdcsc.exe
Token: SeDebugPrivilege	5072	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5072	msdcsc.exe
Token: SeChangeNotifyPrivilege	5072	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5072	msdcsc.exe
Token: SeUndockPrivilege	5072	msdcsc.exe
Token: SeManageVolumePrivilege	5072	msdcsc.exe
Token: SeImpersonatePrivilege	5072	msdcsc.exe
Token: SeCreateGlobalPrivilege	5072	msdcsc.exe
Token: 33	5072	msdcsc.exe
Token: 34	5072	msdcsc.exe
Token: 35	5072	msdcsc.exe
Token: 36	5072	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

5072 msdcsc.exe

pid	process
5072	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe

description	pid	process	target process
PID 5084 wrote to memory of 5072	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe	msdcsc.exe
PID 5084 wrote to memory of 5072	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe	msdcsc.exe
PID 5084 wrote to memory of 5072	5084	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
"C:\Users\Admin\AppData\Local\Temp\55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5084

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:5072

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
7f6522eed5681006fef33f7aeb092586

SHA1
1b2831396a354b54421447ad782ff2374d5e0bf0

SHA256
55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c

SHA512
2d7bf2051dbcaea70f0ee06ee5754123c9bc1b95dcbffdc3b749c4284451e31cd3820a4ac320a926950b66d65b222e9ff3fbe5cd76f8e38833cdd245dd4243e2

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
7f6522eed5681006fef33f7aeb092586

SHA1
1b2831396a354b54421447ad782ff2374d5e0bf0

SHA256
55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c

SHA512
2d7bf2051dbcaea70f0ee06ee5754123c9bc1b95dcbffdc3b749c4284451e31cd3820a4ac320a926950b66d65b222e9ff3fbe5cd76f8e38833cdd245dd4243e2

Download Submit
memory/5072-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads