Malware Analysis Report

2025-03-15 06:40

Sample ID 250126-bfm9rswncw
Target b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd
SHA256 b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd
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

b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd

Threat Level: Known bad

The file b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd was found to be: Known bad.

Malicious Activity Summary

rat orcus discovery spyware stealer

Orcus family

Orcus

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-26 01:05

Signatures

Orcus family

orcus

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-26 01:05

Reported

2025-01-26 01:07

Platform

win7-20240903-en

Max time kernel

147s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.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\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.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
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\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe

"C:\Users\Admin\AppData\Local\Temp\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.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 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
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/1768-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

memory/1768-1-0x0000000000E00000-0x0000000000ED8000-memory.dmp

memory/1768-2-0x00000000001F0000-0x00000000001FA000-memory.dmp

memory/1768-3-0x0000000074A80000-0x000000007516E000-memory.dmp

memory/1768-4-0x0000000000D00000-0x0000000000D4C000-memory.dmp

memory/1768-7-0x0000000004420000-0x000000000446E000-memory.dmp

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

MD5 f7f107a2c4c837253f60c06159f25e66
SHA1 76726e798bfb1101596b37fa048a2d76b88c20e1
SHA256 b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd
SHA512 1ec94604fea2793b527d17a103ebee5e38aef333d9696c4571f2e7075fc8bc8cec24c3f7e227d37798f0d4939cb0aa97d3482dc51ee6fd169044faca8aeb8a67

memory/3040-16-0x0000000074A80000-0x000000007516E000-memory.dmp

memory/3040-15-0x0000000000390000-0x0000000000468000-memory.dmp

memory/3040-17-0x0000000074A80000-0x000000007516E000-memory.dmp

memory/1768-14-0x0000000074A80000-0x000000007516E000-memory.dmp

memory/3040-18-0x0000000000600000-0x0000000000610000-memory.dmp

memory/3040-19-0x0000000074A80000-0x000000007516E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-26 01:05

Reported

2025-01-26 01:07

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.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\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.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
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\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.exe

"C:\Users\Admin\AppData\Local\Temp\b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 218.110.86.104.in-addr.arpa udp
N/A 127.0.0.1:10134 tcp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 5.114.82.104.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
N/A 127.0.0.1:10134 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
N/A 127.0.0.1:10134 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 127.0.0.1:10134 tcp
N/A 127.0.0.1:10134 tcp
US 8.8.8.8:53 202.110.86.104.in-addr.arpa udp
N/A 127.0.0.1:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 127.0.0.1:10134 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
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
US 8.8.8.8:53 udp
N/A 127.0.0.1:10134 tcp

Files

memory/3808-0-0x000000007503E000-0x000000007503F000-memory.dmp

memory/3808-1-0x0000000000440000-0x0000000000518000-memory.dmp

memory/3808-2-0x00000000029B0000-0x00000000029BA000-memory.dmp

memory/3808-3-0x0000000075030000-0x00000000757E0000-memory.dmp

memory/3808-4-0x00000000054E0000-0x0000000005A84000-memory.dmp

memory/3808-5-0x0000000005390000-0x0000000005422000-memory.dmp

memory/3808-6-0x00000000052F0000-0x000000000533C000-memory.dmp

memory/3808-9-0x0000000005430000-0x000000000547E000-memory.dmp

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

MD5 f7f107a2c4c837253f60c06159f25e66
SHA1 76726e798bfb1101596b37fa048a2d76b88c20e1
SHA256 b60cfa1815fa9efe3e68b8e69e6bfb289771b3fd88e8b86f0bdaff7e645c85fd
SHA512 1ec94604fea2793b527d17a103ebee5e38aef333d9696c4571f2e7075fc8bc8cec24c3f7e227d37798f0d4939cb0aa97d3482dc51ee6fd169044faca8aeb8a67

memory/4044-22-0x0000000075030000-0x00000000757E0000-memory.dmp

memory/3808-21-0x0000000075030000-0x00000000757E0000-memory.dmp

memory/4044-23-0x0000000075030000-0x00000000757E0000-memory.dmp

memory/4044-24-0x0000000005AF0000-0x0000000005CB2000-memory.dmp

memory/4044-25-0x0000000005330000-0x0000000005340000-memory.dmp

memory/4044-26-0x0000000005DC0000-0x0000000005DCA000-memory.dmp

memory/4044-27-0x0000000075030000-0x00000000757E0000-memory.dmp