Malware Analysis Report

2025-03-15 06:48

Sample ID 250112-pl3hjaskcs
Target idk.exe
SHA256 50c34fc34fcff8fc7de270a93320c8c1c96167155aff7529a604a81d0f080223
Tags
orcus discovery rat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

50c34fc34fcff8fc7de270a93320c8c1c96167155aff7529a604a81d0f080223

Threat Level: Known bad

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

Malicious Activity Summary

orcus discovery rat spyware stealer

Orcus

Orcus family

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Gathers network information

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-12 12:25

Signatures

Orcus family

orcus

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-12 12:25

Reported

2025-01-12 12:28

Platform

win11-20241007-en

Max time kernel

147s

Max time network

152s

Command Line

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

Loads dropped DLL

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\idk.exe N/A
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:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\ipconfig.exe N/A

Gathers network information

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\ipconfig.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"

C:\Windows\SysWOW64\cmd.exe

"cmd.exe"

C:\Windows\SysWOW64\ipconfig.exe

ipconfig

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 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4736-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

memory/4736-1-0x0000000000380000-0x0000000000458000-memory.dmp

memory/4736-2-0x0000000004E70000-0x0000000004E7A000-memory.dmp

memory/4736-3-0x00000000749E0000-0x0000000075191000-memory.dmp

memory/4736-4-0x00000000056A0000-0x0000000005C46000-memory.dmp

memory/4736-5-0x0000000005390000-0x0000000005422000-memory.dmp

memory/4736-6-0x00000000052F0000-0x000000000533C000-memory.dmp

memory/4736-9-0x0000000005430000-0x000000000547E000-memory.dmp

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

MD5 51e0dac05c7e96486c7c4ca4ad98a665
SHA1 10c736c618e3a17bc792ac24020edefbca83d2b5
SHA256 50c34fc34fcff8fc7de270a93320c8c1c96167155aff7529a604a81d0f080223
SHA512 9fac8de9c5c3131ce117e1f3ab3bb5d911f187157a171cc67d3d3793593bedd06ca52ad4ea925fc4b03e2a0b8aa79d137861e2ad4cb677423449f047c2e72293

memory/4780-21-0x00000000749E0000-0x0000000075191000-memory.dmp

memory/4736-22-0x00000000749E0000-0x0000000075191000-memory.dmp

memory/4780-23-0x00000000749E0000-0x0000000075191000-memory.dmp

memory/4780-24-0x0000000006690000-0x0000000006852000-memory.dmp

memory/4780-25-0x0000000005EA0000-0x0000000005EB0000-memory.dmp

memory/4780-26-0x0000000006BC0000-0x0000000006BCA000-memory.dmp

memory/4780-27-0x00000000749E0000-0x0000000075191000-memory.dmp

memory/4780-30-0x0000000006640000-0x000000000664C000-memory.dmp

memory/4780-31-0x00000000071E0000-0x0000000007246000-memory.dmp

memory/4780-32-0x0000000007CD0000-0x00000000082E8000-memory.dmp

memory/4780-33-0x0000000007250000-0x0000000007262000-memory.dmp

memory/4780-34-0x00000000076F0000-0x000000000772C000-memory.dmp

memory/4780-35-0x0000000007730000-0x000000000777C000-memory.dmp

memory/4780-36-0x00000000078C0000-0x00000000079CA000-memory.dmp

memory/4780-37-0x0000000008820000-0x0000000008D4C000-memory.dmp

memory/4780-40-0x0000000005E10000-0x0000000005E6E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\opus.dll

MD5 1fc04b8bb4896745163df806695ee193
SHA1 39174ce2fca9a3e86bb7a5686037bc42f2572de1
SHA256 3f2b2fd440fdd84288dadfc63e37a4bc7ea0aae26889ab0d4a5ef6148f44ce14
SHA512 3ff18bdd364f27e54ffbf2d1af53e3500ec57e7e8fa14185f7fb1ef6639d69ac6253543b9e2155ade45ca5bcd567e94334f1ee7ad0a7ff28194168dc49883261

memory/4780-46-0x0000000008430000-0x00000000084B4000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-12 12:25

Reported

2025-01-12 12:28

Platform

win10ltsc2021-20241211-en

Max time kernel

101s

Max time network

102s

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-1-5-21-3506525125-3566313221-3651816328-1000\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

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 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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 18.24.18.2.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 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 25.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 147.185.221.25:7354 across-entitled.gl.at.ply.gg tcp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/2168-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

memory/2168-1-0x00000000009B0000-0x0000000000A88000-memory.dmp

memory/2168-2-0x0000000005420000-0x000000000542A000-memory.dmp

memory/2168-3-0x0000000074D10000-0x00000000754C1000-memory.dmp

memory/2168-4-0x0000000005BC0000-0x0000000006166000-memory.dmp

memory/2168-5-0x0000000005A30000-0x0000000005AC2000-memory.dmp

memory/2168-6-0x0000000005990000-0x00000000059DC000-memory.dmp

memory/2168-7-0x0000000005AD0000-0x0000000005B1E000-memory.dmp

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

MD5 51e0dac05c7e96486c7c4ca4ad98a665
SHA1 10c736c618e3a17bc792ac24020edefbca83d2b5
SHA256 50c34fc34fcff8fc7de270a93320c8c1c96167155aff7529a604a81d0f080223
SHA512 9fac8de9c5c3131ce117e1f3ab3bb5d911f187157a171cc67d3d3793593bedd06ca52ad4ea925fc4b03e2a0b8aa79d137861e2ad4cb677423449f047c2e72293

memory/1156-11-0x0000000074D10000-0x00000000754C1000-memory.dmp

memory/2168-10-0x0000000074D10000-0x00000000754C1000-memory.dmp

memory/1156-12-0x0000000074D10000-0x00000000754C1000-memory.dmp

memory/1156-13-0x0000000005DD0000-0x0000000005F92000-memory.dmp

memory/1156-14-0x0000000005630000-0x0000000005640000-memory.dmp

memory/1156-15-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

memory/1156-16-0x0000000074D10000-0x00000000754C1000-memory.dmp