Malware Analysis Report

2025-03-15 06:40

Sample ID 250111-1f7qvasrgj
Target idk.exe
SHA256 aba38569b4a1bba27efd007f663cd797be81581fe1f6c0739f07e1d7af6eaac2
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

aba38569b4a1bba27efd007f663cd797be81581fe1f6c0739f07e1d7af6eaac2

Threat Level: Known bad

The file idk.exe was found to be: Known bad.

Malicious Activity Summary

rat orcus discovery spyware stealer

Orcus family

Orcus

Checks computer location settings

Executes dropped EXE

Drops desktop.ini file(s)

Drops file in Windows directory

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-11 21:36

Signatures

Orcus family

orcus

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-11 21:36

Reported

2025-01-11 21:39

Platform

win10ltsc2021-20241211-en

Max time kernel

100s

Max time network

137s

Command Line

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

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2062871678-1047416116-518495306-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\idk.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\idk.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\idk.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\idk.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\idk.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\idk.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\idk.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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\idk.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 162.50.123.104.in-addr.arpa udp
US 8.8.8.8:53 across-entitled.gl.at.ply.gg udp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg 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 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 8.8.8.8:53 25.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/3540-0-0x00000000753F2000-0x00000000753F3000-memory.dmp

memory/3540-1-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/3540-2-0x00000000753F0000-0x00000000759A1000-memory.dmp

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

MD5 5d671aabccb6b230de6df2eba24e3594
SHA1 539a1e15feaa0c0c382aac0769c3a77967411185
SHA256 aba38569b4a1bba27efd007f663cd797be81581fe1f6c0739f07e1d7af6eaac2
SHA512 cc3c75108fdae769895d45d8e2ef2c4efe08d015cf8fdffeaf0e883c3c79bdaecf0f30087a1cf0b44533e5c80961bbb6e40a1a127b7e6411711cbf6d79c16eef

memory/3540-8-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/2196-7-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/2196-9-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/2196-10-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/2196-11-0x00000000753F0000-0x00000000759A1000-memory.dmp

memory/2196-12-0x00000000753F0000-0x00000000759A1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-11 21:36

Reported

2025-01-11 21:39

Platform

win11-20241007-en

Max time kernel

109s

Max time network

129s

Command Line

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

Signatures

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\idk.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\idk.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\idk.exe N/A
File created C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\idk.exe N/A
File opened for modification C:\Windows\assembly\Desktop.ini C:\Users\Admin\AppData\Local\Temp\idk.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\idk.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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\idk.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 across-entitled.gl.at.ply.gg udp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 8.8.8.8:53 25.221.185.147.in-addr.arpa udp

Files

memory/3520-0-0x00000000749D1000-0x00000000749D2000-memory.dmp

memory/3520-1-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/3520-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

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

MD5 5d671aabccb6b230de6df2eba24e3594
SHA1 539a1e15feaa0c0c382aac0769c3a77967411185
SHA256 aba38569b4a1bba27efd007f663cd797be81581fe1f6c0739f07e1d7af6eaac2
SHA512 cc3c75108fdae769895d45d8e2ef2c4efe08d015cf8fdffeaf0e883c3c79bdaecf0f30087a1cf0b44533e5c80961bbb6e40a1a127b7e6411711cbf6d79c16eef

memory/3520-18-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4112-20-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4112-19-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4112-21-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4112-24-0x00000000749D0000-0x0000000074F81000-memory.dmp

memory/4112-25-0x00000000749D0000-0x0000000074F81000-memory.dmp