Malware Analysis Report

2025-08-05 15:28

Sample ID 221019-tt9zssfeg5
Target 4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff
SHA256 4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff
Tags
darkcomet nodusnew 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

4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff

Threat Level: Known bad

The file 4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff was found to be: Known bad.

Malicious Activity Summary

darkcomet nodusnew persistence rat trojan

Darkcomet

Adds Run key to start application

Suspicious use of SetThreadContext

Program crash

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-19 16:22

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-19 16:22

Reported

2022-10-19 18:49

Platform

win7-20220812-en

Max time kernel

151s

Max time network

46s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe"

Signatures

Darkcomet

trojan rat darkcomet

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\6 C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe
PID 1588 wrote to memory of 904 N/A C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe

Processes

C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe

"C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe"

C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe

"C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe"

Network

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

Files

memory/1588-54-0x0000000075661000-0x0000000075663000-memory.dmp

memory/904-55-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-56-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-58-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-60-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-62-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-65-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-64-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-67-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-69-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-70-0x000000000048F888-mapping.dmp

memory/904-71-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-73-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-74-0x0000000000400000-0x00000000004B2000-memory.dmp

memory/904-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-19 16:22

Reported

2022-10-19 18:49

Platform

win10v2004-20220812-en

Max time kernel

122s

Max time network

183s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6 C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe

"C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe"

C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe

"C:\Users\Admin\AppData\Local\Temp\4067b57cd1f0fd4baf5475200d88d066d7d5ad0aefc584db1bea9734ec96cbff.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1868 -ip 1868

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1868 -s 12

Network

Country Destination Domain Proto
US 8.238.20.126:80 tcp
US 8.247.210.126:80 tcp
US 20.42.65.84:443 tcp
US 8.238.20.126:80 tcp
US 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
US 93.184.220.29:80 tcp
BE 67.24.33.254:80 tcp

Files

memory/1868-132-0x0000000000000000-mapping.dmp