darkcomet | 13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3

General

Target

13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Size

658KB
MD5

c46b0c1ead56ed1933dd375b6b22e1f2
SHA1

97f05c8a9847e8e396d5916deb831466111ae2a4
SHA256

13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3
SHA512

83cbc641d4a32cb2e8a92c5bb8a7e57e024be7ce977896997cff70e9cb307f7038a40085192d0160058fb195e49e817dcf2cc19286773121a4ec9b2a1e41681c

Score

10^/10

darkcomet sazan persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

85.98.17.207:1604

Mutex

DC_MUTEX-T147BU8

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
LMpE3BXrLHns
install
true
offline_keylogger
true
persistence
true
reg_key
JokerRinaHack

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:

13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.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"	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1172 msdcsc.exe

pid	process
1172	msdcsc.exe

Loads dropped DLL 2 IoCs

Processes:

13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe

pid	process
1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msdcsc.exe13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\JokerRinaHack = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\JokerRinaHack = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.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:

13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeSecurityPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeTakeOwnershipPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeLoadDriverPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeSystemProfilePrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeSystemtimePrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeProfSingleProcessPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeIncBasePriorityPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeCreatePagefilePrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeBackupPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeRestorePrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeShutdownPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeDebugPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeSystemEnvironmentPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeChangeNotifyPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeRemoteShutdownPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeUndockPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeManageVolumePrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeImpersonatePrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeCreateGlobalPrivilege	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: 33	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: 34	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: 35	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
Token: SeIncreaseQuotaPrivilege	1172	msdcsc.exe
Token: SeSecurityPrivilege	1172	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1172	msdcsc.exe
Token: SeLoadDriverPrivilege	1172	msdcsc.exe
Token: SeSystemProfilePrivilege	1172	msdcsc.exe
Token: SeSystemtimePrivilege	1172	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1172	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1172	msdcsc.exe
Token: SeCreatePagefilePrivilege	1172	msdcsc.exe
Token: SeBackupPrivilege	1172	msdcsc.exe
Token: SeRestorePrivilege	1172	msdcsc.exe
Token: SeShutdownPrivilege	1172	msdcsc.exe
Token: SeDebugPrivilege	1172	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1172	msdcsc.exe
Token: SeChangeNotifyPrivilege	1172	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1172	msdcsc.exe
Token: SeUndockPrivilege	1172	msdcsc.exe
Token: SeManageVolumePrivilege	1172	msdcsc.exe
Token: SeImpersonatePrivilege	1172	msdcsc.exe
Token: SeCreateGlobalPrivilege	1172	msdcsc.exe
Token: 33	1172	msdcsc.exe
Token: 34	1172	msdcsc.exe
Token: 35	1172	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1172 msdcsc.exe

pid	process
1172	msdcsc.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exemsdcsc.exe

description	pid	process	target process
PID 1492 wrote to memory of 1172	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe	msdcsc.exe
PID 1492 wrote to memory of 1172	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe	msdcsc.exe
PID 1492 wrote to memory of 1172	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe	msdcsc.exe
PID 1492 wrote to memory of 1172	1492	13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe	msdcsc.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe
PID 1172 wrote to memory of 844	1172	msdcsc.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe
"C:\Users\Admin\AppData\Local\Temp\13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492

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 use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1172

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:844

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
c46b0c1ead56ed1933dd375b6b22e1f2

SHA1
97f05c8a9847e8e396d5916deb831466111ae2a4

SHA256
13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3

SHA512
83cbc641d4a32cb2e8a92c5bb8a7e57e024be7ce977896997cff70e9cb307f7038a40085192d0160058fb195e49e817dcf2cc19286773121a4ec9b2a1e41681c

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

MD5
c46b0c1ead56ed1933dd375b6b22e1f2

SHA1
97f05c8a9847e8e396d5916deb831466111ae2a4

SHA256
13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3

SHA512
83cbc641d4a32cb2e8a92c5bb8a7e57e024be7ce977896997cff70e9cb307f7038a40085192d0160058fb195e49e817dcf2cc19286773121a4ec9b2a1e41681c

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

MD5
c46b0c1ead56ed1933dd375b6b22e1f2

SHA1
97f05c8a9847e8e396d5916deb831466111ae2a4

SHA256
13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3

SHA512
83cbc641d4a32cb2e8a92c5bb8a7e57e024be7ce977896997cff70e9cb307f7038a40085192d0160058fb195e49e817dcf2cc19286773121a4ec9b2a1e41681c

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

MD5
c46b0c1ead56ed1933dd375b6b22e1f2

SHA1
97f05c8a9847e8e396d5916deb831466111ae2a4

SHA256
13a9b67591848e9500b93b7e22a11e0adaee46774b55f6a3c1e543b4d7cc3fd3

SHA512
83cbc641d4a32cb2e8a92c5bb8a7e57e024be7ce977896997cff70e9cb307f7038a40085192d0160058fb195e49e817dcf2cc19286773121a4ec9b2a1e41681c

Download Submit
memory/844-61-0x0000000000000000-mapping.dmp

Download
memory/1172-57-0x0000000000000000-mapping.dmp

Download
memory/1492-54-0x0000000074C81000-0x0000000074C83000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads