darkcomet | 73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c

General

Target

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Size

692KB
MD5

24f7cb12617bb15d9281a4f4039fc052
SHA1

4200a8f021356e664fc60db4815ce2284c2b8b1e
SHA256

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c
SHA512

fad9ae0246904771f4b07e581f6003d9ca54d1409dd3a3dd028283f13740a9305495822c09dc0a693871253b578dc918b3010d25303cca33eedbd7fecc0412d7

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:

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
Disables RegEdit via registry modification
evasion
Disables Task Manager via registry modification
evasion
Sets file to hidden 1 TTPs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1158

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:

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.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:

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

pid process

2992 73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

pid	process
2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeSecurityPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeTakeOwnershipPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeLoadDriverPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeSystemProfilePrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeSystemtimePrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeProfSingleProcessPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeIncBasePriorityPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeCreatePagefilePrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeBackupPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeRestorePrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeShutdownPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeDebugPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeSystemEnvironmentPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeChangeNotifyPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeRemoteShutdownPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeUndockPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeManageVolumePrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeImpersonatePrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: SeCreateGlobalPrivilege	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: 33	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: 34	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: 35	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Token: 36	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

pid process

2992 73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

pid	process
2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.execmd.execmd.exe

description	pid	process	target process
PID 2992 wrote to memory of 3664	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	cmd.exe
PID 2992 wrote to memory of 3664	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	cmd.exe
PID 2992 wrote to memory of 3664	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	cmd.exe
PID 2992 wrote to memory of 920	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	cmd.exe
PID 2992 wrote to memory of 920	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	cmd.exe
PID 2992 wrote to memory of 920	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	cmd.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 2992 wrote to memory of 3628	2992	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe	notepad.exe
PID 3664 wrote to memory of 3188	3664	cmd.exe	attrib.exe
PID 3664 wrote to memory of 3188	3664	cmd.exe	attrib.exe
PID 3664 wrote to memory of 3188	3664	cmd.exe	attrib.exe
PID 920 wrote to memory of 2796	920	cmd.exe	attrib.exe
PID 920 wrote to memory of 2796	920	cmd.exe	attrib.exe
PID 920 wrote to memory of 2796	920	cmd.exe	attrib.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

3188 attrib.exe
2796 attrib.exe

pid	process
3188	attrib.exe
2796	attrib.exe

C:\Users\Admin\AppData\Local\Temp\73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe
"C:\Users\Admin\AppData\Local\Temp\73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe"
1⤵
- Modifies firewall policy service
- Modifies security service
- Checks computer location settings
- Windows security modification
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2992

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:3664

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\73f9c2b4e1fe637eabd8c9fae291e570faea874d5edf060d955372de42d4fd0c.exe" +s +h
3⤵
- Views/modifies file attributes
PID:3188

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:920