Malware Analysis Report

2025-03-15 06:49

Sample ID 231228-vv9k4addh2
Target eb96f321bac830019d44e74dc71e7d5e
SHA256 3ba4240f334de3b93655a053fc2574c0228757a9948354d3e97637ab36be7700
Tags
orcus rat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3ba4240f334de3b93655a053fc2574c0228757a9948354d3e97637ab36be7700

Threat Level: Known bad

The file eb96f321bac830019d44e74dc71e7d5e was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

Orcus

Orcurs Rat Executable

Loads dropped DLL

Executes dropped EXE

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-28 17:19

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-28 17:19

Reported

2024-01-09 14:27

Platform

win10v2004-20231222-en

Max time kernel

1s

Max time network

103s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe

"C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe"

C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe

C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe

C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe

"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe" 5052

C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe

"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe" 5052

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 19.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 6.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
N/A 192.168.0.9:10134 tcp
N/A 127.0.0.1:10134 tcp

Files

memory/5052-0-0x00000000008D0000-0x0000000000D1E000-memory.dmp

memory/5052-2-0x0000000073CE0000-0x0000000074490000-memory.dmp

memory/5052-3-0x0000000005F10000-0x0000000005F20000-memory.dmp

memory/5052-4-0x0000000003D20000-0x0000000003D2E000-memory.dmp

memory/5052-5-0x0000000005F20000-0x0000000005F7C000-memory.dmp

memory/5052-6-0x0000000006530000-0x0000000006AD4000-memory.dmp

memory/5052-7-0x0000000006050000-0x00000000060E2000-memory.dmp

memory/5052-1-0x00000000008D0000-0x0000000000D1E000-memory.dmp

memory/5052-8-0x0000000006AE0000-0x0000000006AF2000-memory.dmp

memory/5052-9-0x0000000006AF0000-0x0000000006B3E000-memory.dmp

memory/5052-12-0x0000000006EC0000-0x0000000006ED0000-memory.dmp

memory/4152-11-0x00000000008D0000-0x0000000000D1E000-memory.dmp

memory/5052-13-0x00000000070D0000-0x00000000070DA000-memory.dmp

memory/4152-16-0x0000000073CE0000-0x0000000074490000-memory.dmp

memory/4152-18-0x00000000008D0000-0x0000000000D1E000-memory.dmp

memory/4500-31-0x0000000000B80000-0x0000000000B88000-memory.dmp

memory/4500-32-0x0000000073CE0000-0x0000000074490000-memory.dmp

memory/3844-37-0x0000000073CE0000-0x0000000074490000-memory.dmp

memory/4500-36-0x0000000073CE0000-0x0000000074490000-memory.dmp

memory/4152-20-0x00000000056F0000-0x0000000005700000-memory.dmp

memory/4152-17-0x00000000008D0000-0x0000000000D1E000-memory.dmp

memory/5052-10-0x0000000006D20000-0x0000000006D38000-memory.dmp

memory/4152-40-0x00000000008D0000-0x0000000000D1E000-memory.dmp

memory/4152-41-0x0000000073CE0000-0x0000000074490000-memory.dmp

memory/5052-42-0x00000000008D0000-0x0000000000D1E000-memory.dmp

memory/5052-44-0x0000000073CE0000-0x0000000074490000-memory.dmp

memory/5052-45-0x0000000005F10000-0x0000000005F20000-memory.dmp

memory/3844-47-0x0000000073CE0000-0x0000000074490000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-28 17:19

Reported

2024-01-09 14:28

Platform

win7-20231215-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2724 wrote to memory of 2872 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
PID 2724 wrote to memory of 2872 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
PID 2724 wrote to memory of 2872 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
PID 2724 wrote to memory of 2872 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe
PID 1904 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
PID 1904 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
PID 1904 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
PID 1904 wrote to memory of 2740 N/A C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
PID 2740 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
PID 2740 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
PID 2740 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe
PID 2740 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe

Processes

C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe

"C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {5AFC3961-4B6C-4895-A4F8-83E4002163B5} S-1-5-21-1603059206-2004189698-4139800220-1000:AILVMYUM\Admin:Interactive:[1]

C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe

C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe

C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe

"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe" 1904

C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe

"C:\Users\Admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Users\Admin\AppData\Local\Temp\eb96f321bac830019d44e74dc71e7d5e.exe" 1904

Network

Country Destination Domain Proto
N/A 192.168.0.9:10134 tcp
N/A 192.168.0.9:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 192.168.0.9:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 192.168.0.9:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 192.168.0.9:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 192.168.0.9:10134 tcp

Files

memory/1904-0-0x0000000000D30000-0x000000000117E000-memory.dmp

memory/1904-2-0x00000000746C0000-0x0000000074DAE000-memory.dmp

memory/1904-1-0x0000000000D30000-0x000000000117E000-memory.dmp

memory/1904-3-0x00000000054C0000-0x0000000005500000-memory.dmp

memory/1904-4-0x0000000000530000-0x000000000053E000-memory.dmp

memory/1904-5-0x0000000002E50000-0x0000000002EAC000-memory.dmp

memory/1904-6-0x0000000000570000-0x0000000000582000-memory.dmp

memory/1904-7-0x0000000005190000-0x00000000051DE000-memory.dmp

memory/1904-8-0x0000000000D10000-0x0000000000D28000-memory.dmp

memory/2872-9-0x0000000000D30000-0x000000000117E000-memory.dmp

memory/1904-10-0x00000000029A0000-0x00000000029B0000-memory.dmp

memory/2872-17-0x00000000746C0000-0x0000000074DAE000-memory.dmp

memory/2740-22-0x00000000746C0000-0x0000000074DAE000-memory.dmp

memory/2872-24-0x0000000005740000-0x0000000005780000-memory.dmp

memory/2776-27-0x00000000746C0000-0x0000000074DAE000-memory.dmp

memory/2740-28-0x00000000746C0000-0x0000000074DAE000-memory.dmp

memory/2740-23-0x0000000001010000-0x0000000001018000-memory.dmp

memory/2872-14-0x0000000000D30000-0x000000000117E000-memory.dmp

memory/2872-30-0x0000000000D30000-0x000000000117E000-memory.dmp

memory/2872-31-0x00000000746C0000-0x0000000074DAE000-memory.dmp

memory/1904-33-0x00000000746C0000-0x0000000074DAE000-memory.dmp

memory/1904-34-0x00000000054C0000-0x0000000005500000-memory.dmp

memory/2776-36-0x00000000746C0000-0x0000000074DAE000-memory.dmp