Malware Analysis Report

2025-03-15 06:51

Sample ID 240105-bm3yssgag6
Target f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b
SHA256 f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b
Tags
orcus got rat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b

Threat Level: Known bad

The file f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b was found to be: Known bad.

Malicious Activity Summary

orcus got rat spyware stealer

Orcus

Orcus family

Orcurs Rat Executable

Orcus main payload

Orcurs Rat Executable

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-05 01:16

Signatures

Orcurs Rat Executable

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

Orcus family

orcus

Orcus main payload

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-05 01:16

Reported

2024-01-05 01:19

Platform

win10v2004-20231215-en

Max time kernel

167s

Max time network

183s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe

"C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 148.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 149.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
N/A 127.0.0.1:10134 tcp
N/A 127.0.0.1:10134 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
N/A 127.0.0.1:10134 tcp

Files

memory/488-0-0x0000000075340000-0x0000000075AF0000-memory.dmp

memory/488-1-0x0000000000D30000-0x000000000102A000-memory.dmp

memory/488-2-0x00000000059C0000-0x00000000059D0000-memory.dmp

memory/488-3-0x0000000075340000-0x0000000075AF0000-memory.dmp

memory/488-4-0x0000000005980000-0x000000000598E000-memory.dmp

memory/488-5-0x0000000005BF0000-0x0000000005C4C000-memory.dmp

memory/488-6-0x00000000062E0000-0x0000000006884000-memory.dmp

memory/488-7-0x00000000059C0000-0x00000000059D0000-memory.dmp

memory/488-8-0x0000000005FE0000-0x0000000006072000-memory.dmp

memory/488-9-0x0000000001470000-0x0000000001482000-memory.dmp

memory/488-10-0x00000000059F0000-0x0000000005A08000-memory.dmp

memory/488-11-0x0000000006A60000-0x0000000006C22000-memory.dmp

memory/488-12-0x0000000005A90000-0x0000000005AA0000-memory.dmp

memory/488-13-0x0000000005B00000-0x0000000005B0A000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-05 01:16

Reported

2024-01-05 01:19

Platform

win7-20231215-en

Max time kernel

141s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe

"C:\Users\Admin\AppData\Local\Temp\f81db1fbc6bd739725e52ea0c8840c8609769cd80e638bc607cdc0f642cd861b.exe"

Network

Country Destination Domain Proto
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 127.0.0.1:10134 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

Files

memory/2772-1-0x0000000074530000-0x0000000074C1E000-memory.dmp

memory/2772-0-0x0000000001340000-0x000000000163A000-memory.dmp

memory/2772-2-0x00000000011B0000-0x00000000011F0000-memory.dmp

memory/2772-3-0x00000000003C0000-0x00000000003CE000-memory.dmp

memory/2772-4-0x0000000000FC0000-0x000000000101C000-memory.dmp

memory/2772-5-0x0000000000510000-0x0000000000522000-memory.dmp

memory/2772-6-0x0000000000BB0000-0x0000000000BC8000-memory.dmp

memory/2772-7-0x0000000001150000-0x0000000001160000-memory.dmp

memory/2772-8-0x0000000074530000-0x0000000074C1E000-memory.dmp

memory/2772-9-0x00000000011B0000-0x00000000011F0000-memory.dmp