Malware Analysis Report

2025-08-05 15:28

Sample ID 221019-qq9m3sacfp
Target f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007
SHA256 f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007
Tags
darkcomet rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007

Threat Level: Known bad

The file f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007 was found to be: Known bad.

Malicious Activity Summary

darkcomet rat trojan

Darkcomet

Darkcomet family

Checks BIOS information in registry

Suspicious use of SetThreadContext

Checks processor information in registry

Enumerates system info in registry

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-19 13:29

Signatures

Darkcomet family

darkcomet

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-19 13:29

Reported

2022-10-19 14:08

Platform

win7-20220812-en

Max time kernel

152s

Max time network

41s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe"

Signatures

Darkcomet

trojan rat darkcomet

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe

"C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe"

C:\Windows\SysWOW64\explorer.exe

"C:\Windows\SysWOW64\explorer.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp

Files

memory/1976-54-0x00000000762B1000-0x00000000762B3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-19 13:29

Reported

2022-10-19 14:08

Platform

win10v2004-20220901-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe"

Signatures

Darkcomet

trojan rat darkcomet

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 5012 set thread context of 2700 N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe C:\Windows\SysWOW64\explorer.exe

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\explorer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\explorer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Windows\SysWOW64\explorer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier C:\Windows\SysWOW64\explorer.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: 36 N/A C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: 36 N/A C:\Windows\SysWOW64\explorer.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe

"C:\Users\Admin\AppData\Local\Temp\f84402bacb4be58fd1e7dadae0bda1181b1a59a15226f98cff5bf83775c30007.exe"

C:\Windows\SysWOW64\explorer.exe

"C:\Windows\SysWOW64\explorer.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 52.109.13.63:443 tcp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 20.189.173.12:443 tcp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.238.21.254:80 tcp
US 8.238.21.254:80 tcp
US 8.238.21.254:80 tcp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp
US 8.8.8.8:53 no-e7tkak.no-ip.biz udp

Files

memory/2700-132-0x0000000000000000-mapping.dmp

memory/2700-133-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/2700-134-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/2700-135-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/2700-136-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/2700-137-0x0000000000400000-0x00000000004B0000-memory.dmp