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

1280 msdcsc.exe

pid	process
1280	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe

pid	process
892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
892	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-1-5-21-3762437355-3468409815-1164039494-1000\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 46 IoCs

Processes:

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeSecurityPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeTakeOwnershipPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeLoadDriverPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeSystemProfilePrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeSystemtimePrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeProfSingleProcessPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeIncBasePriorityPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeCreatePagefilePrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeBackupPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeRestorePrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeShutdownPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeDebugPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeSystemEnvironmentPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeChangeNotifyPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeRemoteShutdownPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeUndockPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeManageVolumePrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeImpersonatePrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeCreateGlobalPrivilege	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: 33	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: 34	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: 35	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe
Token: SeIncreaseQuotaPrivilege	1280	msdcsc.exe
Token: SeSecurityPrivilege	1280	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1280	msdcsc.exe
Token: SeLoadDriverPrivilege	1280	msdcsc.exe
Token: SeSystemProfilePrivilege	1280	msdcsc.exe
Token: SeSystemtimePrivilege	1280	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1280	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1280	msdcsc.exe
Token: SeCreatePagefilePrivilege	1280	msdcsc.exe
Token: SeBackupPrivilege	1280	msdcsc.exe
Token: SeRestorePrivilege	1280	msdcsc.exe
Token: SeShutdownPrivilege	1280	msdcsc.exe
Token: SeDebugPrivilege	1280	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1280	msdcsc.exe
Token: SeChangeNotifyPrivilege	1280	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1280	msdcsc.exe
Token: SeUndockPrivilege	1280	msdcsc.exe
Token: SeManageVolumePrivilege	1280	msdcsc.exe
Token: SeImpersonatePrivilege	1280	msdcsc.exe
Token: SeCreateGlobalPrivilege	1280	msdcsc.exe
Token: 33	1280	msdcsc.exe
Token: 34	1280	msdcsc.exe
Token: 35	1280	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1280 msdcsc.exe

pid	process
1280	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe

description	pid	process	target process
PID 892 wrote to memory of 1280	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe	msdcsc.exe
PID 892 wrote to memory of 1280	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe	msdcsc.exe
PID 892 wrote to memory of 1280	892	55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c.exe	msdcsc.exe
PID 892 wrote to memory of 1280	892	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
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892

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:1280

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

System Information Discovery

1

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

MD5
7f6522eed5681006fef33f7aeb092586

SHA1
1b2831396a354b54421447ad782ff2374d5e0bf0

SHA256
55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c

SHA512
2d7bf2051dbcaea70f0ee06ee5754123c9bc1b95dcbffdc3b749c4284451e31cd3820a4ac320a926950b66d65b222e9ff3fbe5cd76f8e38833cdd245dd4243e2

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

MD5
7f6522eed5681006fef33f7aeb092586

SHA1
1b2831396a354b54421447ad782ff2374d5e0bf0

SHA256
55012d17f84e136f034d78a49f6bc3f308ac5f7c7f9fdfe59436e479c0a23e2c

SHA512
2d7bf2051dbcaea70f0ee06ee5754123c9bc1b95dcbffdc3b749c4284451e31cd3820a4ac320a926950b66d65b222e9ff3fbe5cd76f8e38833cdd245dd4243e2

Download Submit
memory/892-54-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/1280-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads