Malware Analysis Report

2025-08-10 21:14

Sample ID 221011-gsytxshde2
Target 1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838
SHA256 1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838
Tags
darkcomet persistence 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

1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838

Threat Level: Known bad

The file 1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838 was found to be: Known bad.

Malicious Activity Summary

darkcomet persistence rat trojan

Darkcomet

Modifies WinLogon for persistence

Darkcomet family

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-11 06:04

Signatures

Darkcomet family

darkcomet

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-11 06:04

Reported

2022-10-11 08:46

Platform

win7-20220901-en

Max time kernel

16s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe"

Signatures

Darkcomet

trojan rat darkcomet

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\msdssvc\\csrss.exe" C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\msdssvc\\csrss.exe" C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Host = "C:\\Users\\Admin\\AppData\\Roaming\\msdssvc\\csrss.exe" C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Host = "C:\\Users\\Admin\\AppData\\Roaming\\msdssvc\\csrss.exe" C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\DllHost.exe N/A
N/A N/A C:\Windows\SysWOW64\DllHost.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1768 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 1768 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 1768 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 1768 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 1316 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1316 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1316 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1316 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1316 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 1316 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 1316 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 1316 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 380 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 380 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 380 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 380 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1768 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 1768 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 1768 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 1768 wrote to memory of 1316 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 1316 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1316 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1316 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1316 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1316 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 1316 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 1316 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 1316 wrote to memory of 380 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 380 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 380 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 380 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 380 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe

"C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe"

C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

"C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE"

C:\Windows\SysWOW64\DllHost.exe

C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}

C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

"C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -n 5

C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe

"C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe"

C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

"C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE"

C:\Windows\SysWOW64\DllHost.exe

C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}

C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

"C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -n 5

Network

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

Files

memory/1768-54-0x0000000075931000-0x0000000075933000-memory.dmp

\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

memory/1316-57-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

memory/572-64-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

memory/380-67-0x0000000000000000-mapping.dmp

memory/1512-68-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\USCVXPT.JPG

MD5 d220784f629aac587cb1d81527c9fe64
SHA1 ad448315bf7d7d046fe4eddd5923e47d6bd4c354
SHA256 13dd6e5ba7c193eebda4b4f100fe1c9a2e23e8fd83cb0a0230ecc325a17c70ca
SHA512 2e779f06b621a19bc6a4be478ef54cb7d3efc561b127e121100893d7dafa19f552b9d533f88f36c76a28900e64c1c3fd1e173223ccb3c110f1cfa4fbbb5ad52e

memory/1768-54-0x0000000075931000-0x0000000075933000-memory.dmp

\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

memory/1316-57-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

memory/572-64-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

memory/380-67-0x0000000000000000-mapping.dmp

memory/1512-68-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\USCVXPT.JPG

MD5 d220784f629aac587cb1d81527c9fe64
SHA1 ad448315bf7d7d046fe4eddd5923e47d6bd4c354
SHA256 13dd6e5ba7c193eebda4b4f100fe1c9a2e23e8fd83cb0a0230ecc325a17c70ca
SHA512 2e779f06b621a19bc6a4be478ef54cb7d3efc561b127e121100893d7dafa19f552b9d533f88f36c76a28900e64c1c3fd1e173223ccb3c110f1cfa4fbbb5ad52e

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-11 06:04

Reported

2022-10-11 08:50

Platform

win10v2004-20220812-en

Max time kernel

174s

Max time network

198s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe"

Signatures

Darkcomet

trojan rat darkcomet

Modifies WinLogon for persistence

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\msdssvc\\csrss.exe" C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE N/A
N/A N/A C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Host = "C:\\Users\\Admin\\AppData\\Roaming\\msdssvc\\csrss.exe" C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4924 wrote to memory of 1428 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 4924 wrote to memory of 1428 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 4924 wrote to memory of 1428 N/A C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE
PID 1428 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1428 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1428 wrote to memory of 2280 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe
PID 1428 wrote to memory of 100 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 1428 wrote to memory of 100 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 1428 wrote to memory of 100 N/A C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE C:\Windows\SysWOW64\cmd.exe
PID 100 wrote to memory of 4584 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 100 wrote to memory of 4584 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 100 wrote to memory of 4584 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe

"C:\Users\Admin\AppData\Local\Temp\1c3ed473829c36e6f402cb68bd926a32ed485a05cc11e996cb168db637da4838.exe"

C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

"C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE"

C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

"C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1 -n 5

Network

Country Destination Domain Proto
IE 20.123.104.105:443 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
NL 104.80.225.205:443 tcp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp
US 8.8.8.8:53 maplehaxx.no-ip.biz udp

Files

memory/1428-132-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

C:\Users\Admin\AppData\Local\Temp\KKKKKKKKK.EXE

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

memory/2280-135-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

C:\Users\Admin\AppData\Roaming\msdssvc\csrss.exe

MD5 f37b0bbe83404c4c0f7c4a35090b0a57
SHA1 bc7ec454a13939dd37a9e0edf4e38d9202dc2e41
SHA256 39552b0f89440188afb2afda77b2a9a0c26588d97cd2e70192f69106a2fccbe2
SHA512 e8f73957c7c8c11cdcd81be5867b998018f15f38c97494d31d0ed14c86a25e33fe711a87602f9fee3a9224c7e651ee477f705d21f3e36fd9152a09dfa972b12c

memory/100-138-0x0000000000000000-mapping.dmp

memory/4584-139-0x0000000000000000-mapping.dmp