Malware Analysis Report

2025-03-15 06:47

Sample ID 250119-bc9nla1mbq
Target 05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a
SHA256 05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a
Tags
rat baby girl 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

05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a

Threat Level: Known bad

The file 05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a was found to be: Known bad.

Malicious Activity Summary

rat baby girl orcus discovery spyware stealer

Orcus

Orcus family

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Drops desktop.ini file(s)

Drops file in Windows directory

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-19 01:01

Signatures

Orcus family

orcus

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-19 01:01

Reported

2025-01-19 01:03

Platform

win7-20241010-en

Max time kernel

144s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.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\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.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\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe

"C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.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 192.168.142.130:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 192.168.142.130:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 192.168.142.130:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 192.168.142.130:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 192.168.142.130:10134 tcp

Files

memory/844-0-0x0000000073E51000-0x0000000073E52000-memory.dmp

memory/844-1-0x0000000073E50000-0x00000000743FB000-memory.dmp

memory/844-2-0x0000000073E50000-0x00000000743FB000-memory.dmp

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

MD5 ff84e9b0121d920da65d6b346b33cacf
SHA1 1108481b08eebac7f8e2846eac0c82b4f5c293c0
SHA256 05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a
SHA512 4eef7798649eb3df04823455707d980be57ef6f0de549b09ce6523916a8054032b7cdedbb47de9d1294978dd7a69ff1987ab6bfd84467501987fe52ce8715b76

memory/2800-12-0x0000000073E50000-0x00000000743FB000-memory.dmp

memory/844-11-0x0000000073E50000-0x00000000743FB000-memory.dmp

memory/2800-13-0x0000000073E50000-0x00000000743FB000-memory.dmp

memory/2800-14-0x0000000073E50000-0x00000000743FB000-memory.dmp

memory/2800-15-0x0000000073E50000-0x00000000743FB000-memory.dmp

memory/2800-16-0x0000000073E50000-0x00000000743FB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-19 01:01

Reported

2025-01-19 01:03

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.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

Drops desktop.ini file(s)

Description Indicator Process Target
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\assembly C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.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\Roaming\Microsoft\Speech\AudioDriver.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.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\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.exe

"C:\Users\Admin\AppData\Local\Temp\05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 192.168.142.130:10134 tcp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 153.30.38.23.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
N/A 192.168.142.130:10134 tcp
N/A 127.0.0.1:10134 tcp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
N/A 192.168.142.130:10134 tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
N/A 127.0.0.1:10134 tcp
N/A 192.168.142.130:10134 tcp
N/A 127.0.0.1:10134 tcp
N/A 192.168.142.130:10134 tcp

Files

memory/2332-0-0x00000000746F2000-0x00000000746F3000-memory.dmp

memory/2332-1-0x00000000746F0000-0x0000000074CA1000-memory.dmp

memory/2332-2-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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

MD5 ff84e9b0121d920da65d6b346b33cacf
SHA1 1108481b08eebac7f8e2846eac0c82b4f5c293c0
SHA256 05c65ff16ef367e9c925d4c1979d14753946a3e31961a54f4075c2dd6d718f4a
SHA512 4eef7798649eb3df04823455707d980be57ef6f0de549b09ce6523916a8054032b7cdedbb47de9d1294978dd7a69ff1987ab6bfd84467501987fe52ce8715b76

memory/2332-19-0x00000000746F0000-0x0000000074CA1000-memory.dmp

memory/3236-21-0x00000000746F0000-0x0000000074CA1000-memory.dmp

memory/3236-20-0x00000000746F0000-0x0000000074CA1000-memory.dmp

memory/3236-18-0x00000000746F0000-0x0000000074CA1000-memory.dmp

memory/3236-22-0x00000000746F0000-0x0000000074CA1000-memory.dmp

memory/3236-23-0x00000000746F0000-0x0000000074CA1000-memory.dmp