Malware Analysis Report

2025-03-15 06:42

Sample ID 250122-bgqraa1ker
Target b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c
SHA256 b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c
Tags
rat orcus discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c

Threat Level: Known bad

The file b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c was found to be: Known bad.

Malicious Activity Summary

rat orcus discovery spyware stealer

Orcus

Orcus family

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-22 01:07

Signatures

Orcus family

orcus

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-22 01:07

Reported

2025-01-22 01:09

Platform

win7-20240903-en

Max time kernel

138s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Executes dropped EXE

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c.exe

"C:\Users\Admin\AppData\Local\Temp\b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"

Network

Country Destination Domain Proto
N/A 10.128.0.3:8080 tcp
US 35.202.161.174:8080 tcp
N/A 10.128.0.3:8080 tcp
US 35.202.161.174:8080 tcp
N/A 10.128.0.3:8080 tcp
US 35.202.161.174:8080 tcp
N/A 10.128.0.3:8080 tcp
US 35.202.161.174:8080 tcp
N/A 10.128.0.3:8080 tcp
US 35.202.161.174:8080 tcp
N/A 10.128.0.3:8080 tcp
US 35.202.161.174:8080 tcp

Files

memory/768-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

memory/768-1-0x0000000000C10000-0x0000000000CE8000-memory.dmp

memory/768-2-0x0000000000380000-0x000000000038A000-memory.dmp

memory/768-3-0x0000000074C10000-0x00000000752FE000-memory.dmp

memory/768-4-0x00000000004F0000-0x000000000053C000-memory.dmp

memory/768-7-0x0000000004DF0000-0x0000000004E3E000-memory.dmp

\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

MD5 b2648c3b0be804c000a64bddd0c4270e
SHA1 4f40acb4c874299c8c9159750f2b707aa6cc40e8
SHA256 b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c
SHA512 3b4f7f801645e367e2b27251c79950cee60a410ddb7affd5f3519dfa53f57996246b16368dcb487e8ce8bf35362cc9a92699116f38e75da4c5bfbeb0662f2c9b

memory/2860-14-0x0000000074C10000-0x00000000752FE000-memory.dmp

memory/2860-16-0x0000000000940000-0x0000000000A18000-memory.dmp

memory/2860-17-0x0000000074C10000-0x00000000752FE000-memory.dmp

memory/768-15-0x0000000074C10000-0x00000000752FE000-memory.dmp

memory/2860-18-0x0000000000440000-0x0000000000450000-memory.dmp

memory/2860-19-0x0000000074C10000-0x00000000752FE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-22 01:07

Reported

2025-01-22 01:09

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c.exe

"C:\Users\Admin\AppData\Local\Temp\b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
N/A 10.128.0.3:8080 tcp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 5.114.82.104.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 35.202.161.174:8080 tcp
N/A 10.128.0.3:8080 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 35.202.161.174:8080 tcp
N/A 10.128.0.3:8080 tcp
US 8.8.8.8:53 105.164.16.2.in-addr.arpa udp
US 35.202.161.174:8080 tcp
N/A 10.128.0.3:8080 tcp
US 35.202.161.174:8080 tcp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
N/A 10.128.0.3:8080 tcp
US 35.202.161.174:8080 tcp
N/A 10.128.0.3:8080 tcp
US 35.202.161.174:8080 tcp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp

Files

memory/4824-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

memory/4824-1-0x00000000005D0000-0x00000000006A8000-memory.dmp

memory/4824-2-0x00000000011A0000-0x00000000011AA000-memory.dmp

memory/4824-3-0x0000000074DA0000-0x0000000075550000-memory.dmp

memory/4824-4-0x0000000005720000-0x0000000005CC4000-memory.dmp

memory/4824-5-0x0000000005510000-0x00000000055A2000-memory.dmp

memory/4824-6-0x0000000005480000-0x00000000054CC000-memory.dmp

memory/4824-7-0x0000000005620000-0x0000000005686000-memory.dmp

memory/4824-10-0x0000000005FD0000-0x000000000601E000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

MD5 b2648c3b0be804c000a64bddd0c4270e
SHA1 4f40acb4c874299c8c9159750f2b707aa6cc40e8
SHA256 b0df124ba2d378320fc76b7a94d7846ea6f74491b435bc6b5bf8cf0b7589731c
SHA512 3b4f7f801645e367e2b27251c79950cee60a410ddb7affd5f3519dfa53f57996246b16368dcb487e8ce8bf35362cc9a92699116f38e75da4c5bfbeb0662f2c9b

memory/2848-22-0x0000000074DA0000-0x0000000075550000-memory.dmp

memory/2848-23-0x0000000074DA0000-0x0000000075550000-memory.dmp

memory/2848-24-0x00000000065A0000-0x0000000006762000-memory.dmp

memory/2848-25-0x0000000006520000-0x0000000006530000-memory.dmp

memory/2848-26-0x0000000006570000-0x000000000657A000-memory.dmp

memory/4824-27-0x0000000074DA0000-0x0000000075550000-memory.dmp

memory/2848-28-0x0000000074DA0000-0x0000000075550000-memory.dmp