Malware Analysis Report

2025-01-22 15:08

Sample ID 240210-brtkxsfe5z
Target 89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf
SHA256 89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf
Tags
as-syifa orcus rat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf

Threat Level: Known bad

The file 89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf was found to be: Known bad.

Malicious Activity Summary

as-syifa orcus rat spyware stealer

Orcurs Rat Executable

Orcus family

Orcus main payload

Orcus

Orcurs Rat Executable

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-10 01:23

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: behavioral1

Detonation Overview

Submitted

2024-02-10 01:23

Reported

2024-02-10 01:25

Platform

win7-20231129-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.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\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe

"C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {849F70F0-60EC-4144-A344-0601EA5AEC31} S-1-5-21-3470981204-343661084-3367201002-1000:GLTGRJAG\Admin:Interactive:[1]

C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe

C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe

Network

Country Destination Domain Proto
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp

Files

memory/2024-0-0x0000000000380000-0x0000000000468000-memory.dmp

memory/2024-1-0x0000000073F10000-0x00000000745FE000-memory.dmp

memory/2024-2-0x0000000004A20000-0x0000000004A60000-memory.dmp

memory/2024-3-0x0000000000570000-0x000000000057E000-memory.dmp

memory/2024-4-0x0000000001FE0000-0x000000000203C000-memory.dmp

memory/2024-5-0x00000000006C0000-0x00000000006D2000-memory.dmp

memory/2024-6-0x00000000042B0000-0x00000000042FE000-memory.dmp

memory/2024-7-0x0000000002050000-0x0000000002068000-memory.dmp

memory/2024-8-0x0000000004340000-0x0000000004350000-memory.dmp

memory/2984-10-0x0000000004A80000-0x0000000004AC0000-memory.dmp

memory/2984-9-0x0000000073F10000-0x00000000745FE000-memory.dmp

memory/2984-11-0x0000000073F10000-0x00000000745FE000-memory.dmp

memory/2024-12-0x0000000073F10000-0x00000000745FE000-memory.dmp

memory/2024-13-0x0000000004A20000-0x0000000004A60000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-10 01:23

Reported

2024-02-10 01:25

Platform

win10v2004-20231222-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.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\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe

"C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe"

C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe

C:\Users\Admin\AppData\Local\Temp\89d828ac18fb6c18636c3682c799378305d822bcca894fdbfeded9aacc828bcf.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
N/A 192.168.35.215:4806 tcp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp
N/A 192.168.35.215:4806 tcp

Files

memory/2608-0-0x0000000000170000-0x0000000000258000-memory.dmp

memory/2608-1-0x0000000074B60000-0x0000000075310000-memory.dmp

memory/2608-2-0x0000000004D90000-0x0000000004DA0000-memory.dmp

memory/2608-3-0x0000000002500000-0x000000000250E000-memory.dmp

memory/2608-4-0x0000000004C30000-0x0000000004C8C000-memory.dmp

memory/2608-5-0x0000000005350000-0x00000000058F4000-memory.dmp

memory/2608-6-0x0000000004DA0000-0x0000000004E32000-memory.dmp

memory/2608-7-0x0000000004D80000-0x0000000004D92000-memory.dmp

memory/2608-8-0x0000000005280000-0x00000000052CE000-memory.dmp

memory/2608-9-0x0000000005A40000-0x0000000005A58000-memory.dmp

memory/5088-11-0x0000000074B60000-0x0000000075310000-memory.dmp

memory/2608-10-0x0000000005DB0000-0x0000000005F72000-memory.dmp

memory/2608-12-0x0000000005BC0000-0x0000000005BD0000-memory.dmp

memory/2608-13-0x0000000005C20000-0x0000000005C2A000-memory.dmp

memory/5088-15-0x0000000074B60000-0x0000000075310000-memory.dmp

memory/2608-16-0x0000000074B60000-0x0000000075310000-memory.dmp

memory/2608-17-0x0000000004D90000-0x0000000004DA0000-memory.dmp