darkcomet | 46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f

General

Target

46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Size

251KB
MD5

fede7a68bdb1f79b5f09c590b1226e34
SHA1

48037cae2e1fbd08b80f39e43c8209acaf3e4dd6
SHA256

46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f
SHA512

4926d0eb30428c18e09553a3a66a677bb746c635c3bbe024a14270a6bf4da089c4564d449856d15e3ba4bd515fbe1daedbc3af631b064feafe2a333d12b821ff

Score

10^/10

darkcomet evasion persistence rat trojan upx

Malware Config

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:

46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.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"	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.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
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1980 msdcsc.exe

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

pid	process
1980	msdcsc.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe	upx

Loads dropped DLL 2 IoCs

Processes:

46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe

pid	process
1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.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 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.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:

46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeSecurityPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeTakeOwnershipPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeLoadDriverPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeSystemProfilePrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeSystemtimePrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeProfSingleProcessPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeIncBasePriorityPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeCreatePagefilePrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeBackupPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeRestorePrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeShutdownPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeDebugPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeSystemEnvironmentPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeChangeNotifyPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeRemoteShutdownPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeUndockPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeManageVolumePrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeImpersonatePrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeCreateGlobalPrivilege	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: 33	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: 34	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: 35	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
Token: SeIncreaseQuotaPrivilege	1980	msdcsc.exe
Token: SeSecurityPrivilege	1980	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1980	msdcsc.exe
Token: SeLoadDriverPrivilege	1980	msdcsc.exe
Token: SeSystemProfilePrivilege	1980	msdcsc.exe
Token: SeSystemtimePrivilege	1980	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1980	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1980	msdcsc.exe
Token: SeCreatePagefilePrivilege	1980	msdcsc.exe
Token: SeBackupPrivilege	1980	msdcsc.exe
Token: SeRestorePrivilege	1980	msdcsc.exe
Token: SeShutdownPrivilege	1980	msdcsc.exe
Token: SeDebugPrivilege	1980	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1980	msdcsc.exe
Token: SeChangeNotifyPrivilege	1980	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1980	msdcsc.exe
Token: SeUndockPrivilege	1980	msdcsc.exe
Token: SeManageVolumePrivilege	1980	msdcsc.exe
Token: SeImpersonatePrivilege	1980	msdcsc.exe
Token: SeCreateGlobalPrivilege	1980	msdcsc.exe
Token: 33	1980	msdcsc.exe
Token: 34	1980	msdcsc.exe
Token: 35	1980	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1980 msdcsc.exe

pid	process
1980	msdcsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exemsdcsc.exe

description	pid	process	target process
PID 1900 wrote to memory of 1980	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe	msdcsc.exe
PID 1900 wrote to memory of 1980	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe	msdcsc.exe
PID 1900 wrote to memory of 1980	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe	msdcsc.exe
PID 1900 wrote to memory of 1980	1900	46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe	msdcsc.exe
PID 1980 wrote to memory of 1800	1980	msdcsc.exe	iexplore.exe
PID 1980 wrote to memory of 1800	1980	msdcsc.exe	iexplore.exe
PID 1980 wrote to memory of 1800	1980	msdcsc.exe	iexplore.exe
PID 1980 wrote to memory of 1800	1980	msdcsc.exe	iexplore.exe
PID 1980 wrote to memory of 1592	1980	msdcsc.exe	explorer.exe
PID 1980 wrote to memory of 1592	1980	msdcsc.exe	explorer.exe
PID 1980 wrote to memory of 1592	1980	msdcsc.exe	explorer.exe
PID 1980 wrote to memory of 1592	1980	msdcsc.exe	explorer.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\46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe
"C:\Users\Admin\AppData\Local\Temp\46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Modifies security service
- Executes dropped EXE
- Windows security modification
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1980

C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
3⤵
PID:1800

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
3⤵
PID:1592

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

6

T1112

Disabling Security Tools

2

T1089

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
MD5
fede7a68bdb1f79b5f09c590b1226e34

SHA1
48037cae2e1fbd08b80f39e43c8209acaf3e4dd6

SHA256
46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f

SHA512
4926d0eb30428c18e09553a3a66a677bb746c635c3bbe024a14270a6bf4da089c4564d449856d15e3ba4bd515fbe1daedbc3af631b064feafe2a333d12b821ff

Download Submit
C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
fede7a68bdb1f79b5f09c590b1226e34

SHA1
48037cae2e1fbd08b80f39e43c8209acaf3e4dd6

SHA256
46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f

SHA512
4926d0eb30428c18e09553a3a66a677bb746c635c3bbe024a14270a6bf4da089c4564d449856d15e3ba4bd515fbe1daedbc3af631b064feafe2a333d12b821ff

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
fede7a68bdb1f79b5f09c590b1226e34

SHA1
48037cae2e1fbd08b80f39e43c8209acaf3e4dd6

SHA256
46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f

SHA512
4926d0eb30428c18e09553a3a66a677bb746c635c3bbe024a14270a6bf4da089c4564d449856d15e3ba4bd515fbe1daedbc3af631b064feafe2a333d12b821ff

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe
MD5
fede7a68bdb1f79b5f09c590b1226e34

SHA1
48037cae2e1fbd08b80f39e43c8209acaf3e4dd6

SHA256
46e316656467773c8c7044d69005ff9abac681d72608bcad5aa494e747b63c3f

SHA512
4926d0eb30428c18e09553a3a66a677bb746c635c3bbe024a14270a6bf4da089c4564d449856d15e3ba4bd515fbe1daedbc3af631b064feafe2a333d12b821ff

Download Submit
memory/1980-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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