darkcomet | 7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7

General

Target

7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Size

756KB
MD5

6d3942d9fe24a9da8310d6991ea77030
SHA1

60bf0552c3b6a37ee840382792cb5e837c88e4fe
SHA256

7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7
SHA512

bf31936ce761718ef6daf755db7c9a10a42420022c57a42f575eb52f1a8bce6208f34b72b97ff150d5bba03346537eaf8f4bb958e71bddf309cb3e4bbe2ff594
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h1:eZ1xuVVjfFoynPaVBUR8f+kN10EB3

Score

10^/10

darkcomet victime persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

victime

C2

88.139.111.187:1604

Mutex

DC_MUTEX-5014XJ2

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
BFM60zGFMdWM
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:

7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

5064 msdcsc.exe

pid	process
5064	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:

7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.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

5064 msdcsc.exe

pid	process
5064	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeSecurityPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeTakeOwnershipPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeLoadDriverPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeSystemProfilePrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeSystemtimePrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeProfSingleProcessPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeIncBasePriorityPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeCreatePagefilePrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeBackupPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeRestorePrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeShutdownPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeDebugPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeSystemEnvironmentPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeChangeNotifyPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeRemoteShutdownPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeUndockPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeManageVolumePrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeImpersonatePrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeCreateGlobalPrivilege	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: 33	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: 34	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: 35	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: 36	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
Token: SeIncreaseQuotaPrivilege	5064	msdcsc.exe
Token: SeSecurityPrivilege	5064	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5064	msdcsc.exe
Token: SeLoadDriverPrivilege	5064	msdcsc.exe
Token: SeSystemProfilePrivilege	5064	msdcsc.exe
Token: SeSystemtimePrivilege	5064	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5064	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5064	msdcsc.exe
Token: SeCreatePagefilePrivilege	5064	msdcsc.exe
Token: SeBackupPrivilege	5064	msdcsc.exe
Token: SeRestorePrivilege	5064	msdcsc.exe
Token: SeShutdownPrivilege	5064	msdcsc.exe
Token: SeDebugPrivilege	5064	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5064	msdcsc.exe
Token: SeChangeNotifyPrivilege	5064	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5064	msdcsc.exe
Token: SeUndockPrivilege	5064	msdcsc.exe
Token: SeManageVolumePrivilege	5064	msdcsc.exe
Token: SeImpersonatePrivilege	5064	msdcsc.exe
Token: SeCreateGlobalPrivilege	5064	msdcsc.exe
Token: 33	5064	msdcsc.exe
Token: 34	5064	msdcsc.exe
Token: 35	5064	msdcsc.exe
Token: 36	5064	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

5064 msdcsc.exe

pid	process
5064	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exemsdcsc.exe

description	pid	process	target process
PID 1640 wrote to memory of 5064	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe	msdcsc.exe
PID 1640 wrote to memory of 5064	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe	msdcsc.exe
PID 1640 wrote to memory of 5064	1640	7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe	msdcsc.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe
PID 5064 wrote to memory of 4704	5064	msdcsc.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.exe
"C:\Users\Admin\AppData\Local\Temp\7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7.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:1640

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
"C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5064

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:4704

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\AppData\Local\Temp\MSDCSC\msdcsc.exe
Filesize
756KB

MD5
6d3942d9fe24a9da8310d6991ea77030

SHA1
60bf0552c3b6a37ee840382792cb5e837c88e4fe

SHA256
7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7

SHA512
bf31936ce761718ef6daf755db7c9a10a42420022c57a42f575eb52f1a8bce6208f34b72b97ff150d5bba03346537eaf8f4bb958e71bddf309cb3e4bbe2ff594

Download Submit
C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
Filesize
756KB

MD5
6d3942d9fe24a9da8310d6991ea77030

SHA1
60bf0552c3b6a37ee840382792cb5e837c88e4fe

SHA256
7c0419ba2a9a126e8193f3efd67a5aea331de825c0bbbf89ef3950ea08b766c7

SHA512
bf31936ce761718ef6daf755db7c9a10a42420022c57a42f575eb52f1a8bce6208f34b72b97ff150d5bba03346537eaf8f4bb958e71bddf309cb3e4bbe2ff594

Download Submit
memory/4704-135-0x0000000000000000-mapping.dmp

Download
memory/5064-132-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads