darkcomet | 9434bc83bcf91eea11ec4994e62bf69d123a43106013f3e67ec1e67382fac0ae

General

Target

deneee.exe
Size

658KB
MD5

6663d3f6afcb01729e9fb7e9e245c1ee
SHA1

1b7be88046e58cdbb664dfbbfd52727ce3d5d395
SHA256

9434bc83bcf91eea11ec4994e62bf69d123a43106013f3e67ec1e67382fac0ae
SHA512

6859a85eb5fd913dd682ec97df13ebcd9c881037509233adccfe78b7c9b8219ac70575c82f6eb4a65ac5667eeb7dee29a6964dc4d1baa685d40cbac75391a58a

Score

10^/10

darkcomet evasion rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

deneee.exe

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

Modifies security service 2 TTPs 1 IoCs
evasion

Modify Registry
T1112

Modify Existing Service
T1031

Processes:

deneee.exe

description ioc process

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

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

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

deneee.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	deneee.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	deneee.exe

Disables RegEdit via registry modification 1 IoCs

evasion

Processes:

deneee.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	deneee.exe

Disables Task Manager via registry modification
evasion
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

2000 attrib.exe
1960 attrib.exe

pid	process
2000	attrib.exe
1960	attrib.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

deneee.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	deneee.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	deneee.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:

deneee.exe

pid process

960 deneee.exe

pid	process
960	deneee.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

deneee.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	960	deneee.exe
Token: SeSecurityPrivilege	960	deneee.exe
Token: SeTakeOwnershipPrivilege	960	deneee.exe
Token: SeLoadDriverPrivilege	960	deneee.exe
Token: SeSystemProfilePrivilege	960	deneee.exe
Token: SeSystemtimePrivilege	960	deneee.exe
Token: SeProfSingleProcessPrivilege	960	deneee.exe
Token: SeIncBasePriorityPrivilege	960	deneee.exe
Token: SeCreatePagefilePrivilege	960	deneee.exe
Token: SeBackupPrivilege	960	deneee.exe
Token: SeRestorePrivilege	960	deneee.exe
Token: SeShutdownPrivilege	960	deneee.exe
Token: SeDebugPrivilege	960	deneee.exe
Token: SeSystemEnvironmentPrivilege	960	deneee.exe
Token: SeChangeNotifyPrivilege	960	deneee.exe
Token: SeRemoteShutdownPrivilege	960	deneee.exe
Token: SeUndockPrivilege	960	deneee.exe
Token: SeManageVolumePrivilege	960	deneee.exe
Token: SeImpersonatePrivilege	960	deneee.exe
Token: SeCreateGlobalPrivilege	960	deneee.exe
Token: 33	960	deneee.exe
Token: 34	960	deneee.exe
Token: 35	960	deneee.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

deneee.exe

pid process

960 deneee.exe

pid	process
960	deneee.exe

Suspicious use of WriteProcessMemory 39 IoCs

Processes:

deneee.execmd.execmd.exe

description	pid	process	target process
PID 960 wrote to memory of 1892	960	deneee.exe	cmd.exe
PID 960 wrote to memory of 1892	960	deneee.exe	cmd.exe
PID 960 wrote to memory of 1892	960	deneee.exe	cmd.exe
PID 960 wrote to memory of 1892	960	deneee.exe	cmd.exe
PID 960 wrote to memory of 996	960	deneee.exe	cmd.exe
PID 960 wrote to memory of 996	960	deneee.exe	cmd.exe
PID 960 wrote to memory of 996	960	deneee.exe	cmd.exe
PID 960 wrote to memory of 996	960	deneee.exe	cmd.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 960 wrote to memory of 1700	960	deneee.exe	notepad.exe
PID 1892 wrote to memory of 2000	1892	cmd.exe	attrib.exe
PID 1892 wrote to memory of 2000	1892	cmd.exe	attrib.exe
PID 1892 wrote to memory of 2000	1892	cmd.exe	attrib.exe
PID 1892 wrote to memory of 2000	1892	cmd.exe	attrib.exe
PID 996 wrote to memory of 1960	996	cmd.exe	attrib.exe
PID 996 wrote to memory of 1960	996	cmd.exe	attrib.exe
PID 996 wrote to memory of 1960	996	cmd.exe	attrib.exe
PID 996 wrote to memory of 1960	996	cmd.exe	attrib.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

deneee.exe

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

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

2000 attrib.exe
1960 attrib.exe

pid	process
2000	attrib.exe
1960	attrib.exe

C:\Users\Admin\AppData\Local\Temp\deneee.exe
"C:\Users\Admin\AppData\Local\Temp\deneee.exe"
1⤵
- Modifies firewall policy service
- Modifies security service
- Windows security bypass
- Disables RegEdit via registry modification
- Windows security modification
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:960

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\deneee.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:1892

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\deneee.exe" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:2000

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:996

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1960

C:\Windows\SysWOW64\notepad.exe
notepad
2⤵
PID:1700

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

2

T1031

Hidden Files and Directories

2

T1158

Privilege Escalation

Defense Evasion

Modify Registry

5

T1112

Disabling Security Tools

2

T1089

Hidden Files and Directories

2

T1158

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/960-54-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/996-56-0x0000000000000000-mapping.dmp

Download
memory/1700-57-0x0000000000000000-mapping.dmp

Download
memory/1892-55-0x0000000000000000-mapping.dmp

Download
memory/1960-60-0x0000000000000000-mapping.dmp

Download
memory/2000-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads