darkcomet | d8b6d9bf469cf33b4effbfc8bcac272a66a01213184580a668a2517df93834a2

General

Target

b5154bba_hs6p8854My.exe
Size

658KB
MD5

b5154bba3a9d3648b40164f2ec89e059
SHA1

e37b5718f3da44132e2170dc85e026b9a998f5d9
SHA256

d8b6d9bf469cf33b4effbfc8bcac272a66a01213184580a668a2517df93834a2
SHA512

c21c3e0ed025e97b6dbc0bc9b3f9b8e87306df8177e1638892ecbcb2bf199e828bc186e0fb872dd82c7cd4d3bedb5ff2910584057d34709535a498ca612f5553

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:

b5154bba_hs6p8854My.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	b5154bba_hs6p8854My.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	b5154bba_hs6p8854My.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	b5154bba_hs6p8854My.exe

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
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 23 IoCs

Processes:

b5154bba_hs6p8854My.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeSecurityPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeTakeOwnershipPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeLoadDriverPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeSystemProfilePrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeSystemtimePrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeProfSingleProcessPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeIncBasePriorityPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeCreatePagefilePrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeBackupPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeRestorePrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeShutdownPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeDebugPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeSystemEnvironmentPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeChangeNotifyPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeRemoteShutdownPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeUndockPrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeManageVolumePrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeImpersonatePrivilege	1632	b5154bba_hs6p8854My.exe
Token: SeCreateGlobalPrivilege	1632	b5154bba_hs6p8854My.exe
Token: 33	1632	b5154bba_hs6p8854My.exe
Token: 34	1632	b5154bba_hs6p8854My.exe
Token: 35	1632	b5154bba_hs6p8854My.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b5154bba_hs6p8854My.exe

pid process

1632 b5154bba_hs6p8854My.exe

pid	process
1632	b5154bba_hs6p8854My.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

b5154bba_hs6p8854My.execmd.execmd.exe

description	pid	process	target process
PID 1632 wrote to memory of 1736	1632	b5154bba_hs6p8854My.exe	cmd.exe
PID 1632 wrote to memory of 1736	1632	b5154bba_hs6p8854My.exe	cmd.exe
PID 1632 wrote to memory of 1736	1632	b5154bba_hs6p8854My.exe	cmd.exe
PID 1632 wrote to memory of 1736	1632	b5154bba_hs6p8854My.exe	cmd.exe
PID 1632 wrote to memory of 1712	1632	b5154bba_hs6p8854My.exe	cmd.exe
PID 1632 wrote to memory of 1712	1632	b5154bba_hs6p8854My.exe	cmd.exe
PID 1632 wrote to memory of 1712	1632	b5154bba_hs6p8854My.exe	cmd.exe
PID 1632 wrote to memory of 1712	1632	b5154bba_hs6p8854My.exe	cmd.exe
PID 1736 wrote to memory of 1520	1736	cmd.exe	attrib.exe
PID 1736 wrote to memory of 1520	1736	cmd.exe	attrib.exe
PID 1736 wrote to memory of 1520	1736	cmd.exe	attrib.exe
PID 1736 wrote to memory of 1520	1736	cmd.exe	attrib.exe
PID 1712 wrote to memory of 1120	1712	cmd.exe	attrib.exe
PID 1712 wrote to memory of 1120	1712	cmd.exe	attrib.exe
PID 1712 wrote to memory of 1120	1712	cmd.exe	attrib.exe
PID 1712 wrote to memory of 1120	1712	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exeattrib.exe

pid process

1520 attrib.exe
1120 attrib.exe

pid	process
1520	attrib.exe
1120	attrib.exe

C:\Users\Admin\AppData\Local\Temp\b5154bba_hs6p8854My.exe
"C:\Users\Admin\AppData\Local\Temp\b5154bba_hs6p8854My.exe"
1⤵
- Modifies firewall policy service
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\b5154bba_hs6p8854My.exe" +s +h
2⤵
- Suspicious use of WriteProcessMemory
PID:1736

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\b5154bba_hs6p8854My.exe" +s +h
3⤵
- Views/modifies file attributes
PID:1520

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:1712

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Views/modifies file attributes
PID:1120

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Hidden Files and Directories

2

T1158

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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/1120-56-0x0000000000000000-mapping.dmp

Download
memory/1520-55-0x0000000000000000-mapping.dmp

Download
memory/1632-52-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/1632-57-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1712-54-0x0000000000000000-mapping.dmp

Download
memory/1736-53-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads