Malware Analysis Report

2025-03-15 06:53

Sample ID 231202-b71deahc71
Target a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a
SHA256 a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a
Tags
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

a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a

Threat Level: Known bad

The file a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

Orcus

Orcurs Rat Executable

Orcus family

Orcus main payload

Orcurs Rat Executable

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-02 01:47

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

2023-12-02 01:47

Reported

2023-12-02 01:50

Platform

win7-20231023-en

Max time kernel

118s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Processes

C:\Users\Admin\AppData\Local\Temp\a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a.exe

"C:\Users\Admin\AppData\Local\Temp\a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a.exe"

Network

N/A

Files

memory/2108-0-0x0000000000E40000-0x0000000000F3C000-memory.dmp

memory/2108-1-0x00000000749C0000-0x00000000750AE000-memory.dmp

memory/2108-2-0x0000000004C40000-0x0000000004C80000-memory.dmp

memory/2108-3-0x0000000000200000-0x000000000020E000-memory.dmp

memory/2108-4-0x0000000004340000-0x000000000439C000-memory.dmp

memory/2108-5-0x00000000004B0000-0x00000000004C2000-memory.dmp

memory/2108-6-0x0000000000510000-0x0000000000518000-memory.dmp

memory/2108-7-0x0000000004C40000-0x0000000004C80000-memory.dmp

memory/2108-8-0x00000000749C0000-0x00000000750AE000-memory.dmp

memory/2108-9-0x0000000004C40000-0x0000000004C80000-memory.dmp

memory/2108-10-0x0000000004C40000-0x0000000004C80000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-02 01:47

Reported

2023-12-02 01:50

Platform

win10v2004-20231127-en

Max time kernel

142s

Max time network

156s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Processes

C:\Users\Admin\AppData\Local\Temp\a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a.exe

"C:\Users\Admin\AppData\Local\Temp\a44b0be2c74e01978623100390d29d0ca4aec844b4f52356c0f6b4b4125d7a3a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 122.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 121.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 107.175.53.84.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 89.16.208.104.in-addr.arpa udp

Files

memory/3536-0-0x0000000075130000-0x00000000758E0000-memory.dmp

memory/3536-1-0x0000000000A90000-0x0000000000B8C000-memory.dmp

memory/3536-2-0x00000000054F0000-0x0000000005500000-memory.dmp

memory/3536-3-0x00000000054E0000-0x00000000054EE000-memory.dmp

memory/3536-4-0x0000000005500000-0x000000000555C000-memory.dmp

memory/3536-5-0x0000000005B90000-0x0000000006134000-memory.dmp

memory/3536-6-0x00000000056A0000-0x0000000005732000-memory.dmp

memory/3536-7-0x0000000005680000-0x0000000005692000-memory.dmp

memory/3536-8-0x0000000005690000-0x0000000005698000-memory.dmp

memory/3536-9-0x0000000005B50000-0x0000000005B5A000-memory.dmp

memory/3536-10-0x00000000054F0000-0x0000000005500000-memory.dmp

memory/3536-11-0x0000000075130000-0x00000000758E0000-memory.dmp

memory/3536-12-0x00000000054F0000-0x0000000005500000-memory.dmp

memory/3536-13-0x00000000054F0000-0x0000000005500000-memory.dmp