darkcomet | 69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0

General

Target

69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Size

245KB
MD5

911c776e57493fbcac8cb7ac3d9341a2
SHA1

c5fb475d2a01e82c1fc5aae56569bb7562381774
SHA256

69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0
SHA512

c30aee0abdd9384c5654d6569edadf68d342999ad70c0a2efed99030a5be0bcb46f1fc7217cb06ae4cb34d38f94c56f198be83f6e1c0877e6d1becec09e0c4c9
SSDEEP

6144:IYLVBjW718M8n23sjpbZ5lTmJDId2bsETyCJTApip608n:fP671TL8jpVTmRXtJpApipF

Score

10^/10

darkcomet 1 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

1

C2

vitafon007.noip.me:1604

Mutex

DC_MUTEX-EUF3BGD

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
KAVwEguyVo7z
install
true
offline_keylogger
true
persistence
true
reg_key
WinService

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:

69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.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"	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

msdcsc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	msdcsc.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	msdcsc.exe

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Modify Existing Service
T1031

Processes:

msdcsc.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4" msdcsc.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	msdcsc.exe

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

3624 msdcsc.exe

pid	process
3624	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:

69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinService = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinService = "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

Modifies registry class 1 IoCs

Processes:

69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeSecurityPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeTakeOwnershipPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeLoadDriverPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeSystemProfilePrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeSystemtimePrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeProfSingleProcessPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeIncBasePriorityPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeCreatePagefilePrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeBackupPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeRestorePrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeShutdownPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeDebugPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeSystemEnvironmentPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeChangeNotifyPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeRemoteShutdownPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeUndockPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeManageVolumePrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeImpersonatePrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeCreateGlobalPrivilege	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: 33	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: 34	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: 35	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: 36	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
Token: SeIncreaseQuotaPrivilege	3624	msdcsc.exe
Token: SeSecurityPrivilege	3624	msdcsc.exe
Token: SeTakeOwnershipPrivilege	3624	msdcsc.exe
Token: SeLoadDriverPrivilege	3624	msdcsc.exe
Token: SeSystemProfilePrivilege	3624	msdcsc.exe
Token: SeSystemtimePrivilege	3624	msdcsc.exe
Token: SeProfSingleProcessPrivilege	3624	msdcsc.exe
Token: SeIncBasePriorityPrivilege	3624	msdcsc.exe
Token: SeCreatePagefilePrivilege	3624	msdcsc.exe
Token: SeBackupPrivilege	3624	msdcsc.exe
Token: SeRestorePrivilege	3624	msdcsc.exe
Token: SeShutdownPrivilege	3624	msdcsc.exe
Token: SeDebugPrivilege	3624	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	3624	msdcsc.exe
Token: SeChangeNotifyPrivilege	3624	msdcsc.exe
Token: SeRemoteShutdownPrivilege	3624	msdcsc.exe
Token: SeUndockPrivilege	3624	msdcsc.exe
Token: SeManageVolumePrivilege	3624	msdcsc.exe
Token: SeImpersonatePrivilege	3624	msdcsc.exe
Token: SeCreateGlobalPrivilege	3624	msdcsc.exe
Token: 33	3624	msdcsc.exe
Token: 34	3624	msdcsc.exe
Token: 35	3624	msdcsc.exe
Token: 36	3624	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

3624 msdcsc.exe

pid	process
3624	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe

description	pid	process	target process
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 2548	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	notepad.exe
PID 4388 wrote to memory of 3624	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	msdcsc.exe
PID 4388 wrote to memory of 3624	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	msdcsc.exe
PID 4388 wrote to memory of 3624	4388	69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe	msdcsc.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

msdcsc.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe
"C:\Users\Admin\AppData\Local\Temp\69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4388

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
PID:2548

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Executes dropped EXE
- Windows security modification
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:3624

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Modify Existing Service

2

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

7

T1112

Disabling Security Tools

2

T1089

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
245KB

MD5
911c776e57493fbcac8cb7ac3d9341a2

SHA1
c5fb475d2a01e82c1fc5aae56569bb7562381774

SHA256
69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0

SHA512
c30aee0abdd9384c5654d6569edadf68d342999ad70c0a2efed99030a5be0bcb46f1fc7217cb06ae4cb34d38f94c56f198be83f6e1c0877e6d1becec09e0c4c9

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
245KB

MD5
911c776e57493fbcac8cb7ac3d9341a2

SHA1
c5fb475d2a01e82c1fc5aae56569bb7562381774

SHA256
69eaef360ae41bbded09803a082281ae8998946448afc708b47266c0b0fa73b0

SHA512
c30aee0abdd9384c5654d6569edadf68d342999ad70c0a2efed99030a5be0bcb46f1fc7217cb06ae4cb34d38f94c56f198be83f6e1c0877e6d1becec09e0c4c9

Download Submit
memory/2548-133-0x0000000000000000-mapping.dmp

Download
memory/3624-134-0x0000000000000000-mapping.dmp

Download
memory/3624-137-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3624-139-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4388-132-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4388-138-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads