darkcomet | cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77

General

Target

cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Size

658KB
MD5

55395ef731c5a631abec11ed0e978470
SHA1

f2eea062acb3e4e163f7e9a0051fe22c1d6d198c
SHA256

cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77
SHA512

887e07ad230bad73ff536bd3b7338cc0639e6241a9b6e5a5dcc4fa17c31fcb0ce153b3e712258a99fe4939fd847782b69a9088334097842b0fab314d7a78057c
SSDEEP

12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hg:KZ1xuVVjfFoynPaVBUR8f+kN10EB6

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-CNLPXW5

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
R7NeeQje4jv6
install
true
offline_keylogger
true
password
159753sa
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

T1004

Modify Registry

T1112

Processes:

cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.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"	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2044 msdcsc.exe

pid	process
2044	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe

pid	process
1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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

System Information Discovery
T1082
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

2044 msdcsc.exe

pid	process
2044	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeSecurityPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeTakeOwnershipPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeLoadDriverPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeSystemProfilePrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeSystemtimePrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeProfSingleProcessPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeIncBasePriorityPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeCreatePagefilePrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeBackupPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeRestorePrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeShutdownPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeDebugPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeSystemEnvironmentPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeChangeNotifyPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeRemoteShutdownPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeUndockPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeManageVolumePrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeImpersonatePrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeCreateGlobalPrivilege	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: 33	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: 34	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: 35	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
Token: SeIncreaseQuotaPrivilege	2044	msdcsc.exe
Token: SeSecurityPrivilege	2044	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2044	msdcsc.exe
Token: SeLoadDriverPrivilege	2044	msdcsc.exe
Token: SeSystemProfilePrivilege	2044	msdcsc.exe
Token: SeSystemtimePrivilege	2044	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2044	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2044	msdcsc.exe
Token: SeCreatePagefilePrivilege	2044	msdcsc.exe
Token: SeBackupPrivilege	2044	msdcsc.exe
Token: SeRestorePrivilege	2044	msdcsc.exe
Token: SeShutdownPrivilege	2044	msdcsc.exe
Token: SeDebugPrivilege	2044	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2044	msdcsc.exe
Token: SeChangeNotifyPrivilege	2044	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2044	msdcsc.exe
Token: SeUndockPrivilege	2044	msdcsc.exe
Token: SeManageVolumePrivilege	2044	msdcsc.exe
Token: SeImpersonatePrivilege	2044	msdcsc.exe
Token: SeCreateGlobalPrivilege	2044	msdcsc.exe
Token: 33	2044	msdcsc.exe
Token: 34	2044	msdcsc.exe
Token: 35	2044	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2044 msdcsc.exe

pid	process
2044	msdcsc.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exemsdcsc.exe

description	pid	process	target process
PID 1204 wrote to memory of 2044	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe	msdcsc.exe
PID 1204 wrote to memory of 2044	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe	msdcsc.exe
PID 1204 wrote to memory of 2044	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe	msdcsc.exe
PID 1204 wrote to memory of 2044	1204	cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe	msdcsc.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe
PID 2044 wrote to memory of 588	2044	msdcsc.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe
"C:\Users\Admin\AppData\Local\Temp\cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:588

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
55395ef731c5a631abec11ed0e978470

SHA1
f2eea062acb3e4e163f7e9a0051fe22c1d6d198c

SHA256
cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77

SHA512
887e07ad230bad73ff536bd3b7338cc0639e6241a9b6e5a5dcc4fa17c31fcb0ce153b3e712258a99fe4939fd847782b69a9088334097842b0fab314d7a78057c

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

MD5
55395ef731c5a631abec11ed0e978470

SHA1
f2eea062acb3e4e163f7e9a0051fe22c1d6d198c

SHA256
cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77

SHA512
887e07ad230bad73ff536bd3b7338cc0639e6241a9b6e5a5dcc4fa17c31fcb0ce153b3e712258a99fe4939fd847782b69a9088334097842b0fab314d7a78057c

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

MD5
55395ef731c5a631abec11ed0e978470

SHA1
f2eea062acb3e4e163f7e9a0051fe22c1d6d198c

SHA256
cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77

SHA512
887e07ad230bad73ff536bd3b7338cc0639e6241a9b6e5a5dcc4fa17c31fcb0ce153b3e712258a99fe4939fd847782b69a9088334097842b0fab314d7a78057c

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

MD5
55395ef731c5a631abec11ed0e978470

SHA1
f2eea062acb3e4e163f7e9a0051fe22c1d6d198c

SHA256
cc02982c750629bce6c1cb23eb565495c6823796323c5fd00817273090ea7d77

SHA512
887e07ad230bad73ff536bd3b7338cc0639e6241a9b6e5a5dcc4fa17c31fcb0ce153b3e712258a99fe4939fd847782b69a9088334097842b0fab314d7a78057c

Download Submit
memory/588-61-0x0000000000000000-mapping.dmp

Download
memory/1204-54-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/2044-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads