Malware Analysis Report

2025-01-22 14:46

Sample ID 241125-brszdszres
Target 057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1
SHA256 057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1
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: 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

057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1

Threat Level: Known bad

The file 057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1 was found to be: Known bad.

Malicious Activity Summary

orcus discovery rat spyware stealer

Orcus

Orcus family

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-25 01:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-25 01:23

Reported

2024-11-25 01:25

Platform

win7-20240903-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.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\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.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\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.exe

"C:\Users\Admin\AppData\Local\Temp\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.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 147.185.221.23:20214 tcp
US 8.8.8.8:53 communications-sugar.gl.at.ply.gg udp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp

Files

memory/2720-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

memory/2720-1-0x0000000000E50000-0x0000000000F36000-memory.dmp

memory/2720-3-0x0000000073F40000-0x000000007462E000-memory.dmp

memory/2720-2-0x00000000002F0000-0x00000000002FA000-memory.dmp

memory/2720-4-0x00000000003C0000-0x000000000040C000-memory.dmp

memory/2720-9-0x0000000000C50000-0x0000000000C9E000-memory.dmp

memory/2720-6-0x0000000000440000-0x0000000000448000-memory.dmp

memory/2720-5-0x0000000000410000-0x0000000000418000-memory.dmp

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

MD5 36da3c890e67303d1204ac52266ea80d
SHA1 8aadb0fd59dbd9653590cc4bf9fbb73ae8444767
SHA256 057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1
SHA512 3b79d4e8dfe6061f708b3f62df9c95a64d9c97c9522ade741a3275e1380b0176675d34f621282eadb96dcfac8736a5a8ae1ed492d4233b508300d17d94b0260f

memory/2884-18-0x0000000073F40000-0x000000007462E000-memory.dmp

memory/2884-17-0x0000000000190000-0x0000000000276000-memory.dmp

memory/2884-19-0x0000000073F40000-0x000000007462E000-memory.dmp

memory/2720-16-0x0000000073F40000-0x000000007462E000-memory.dmp

memory/2884-20-0x00000000004F0000-0x0000000000500000-memory.dmp

memory/2884-21-0x0000000073F40000-0x000000007462E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-25 01:23

Reported

2024-11-25 01:25

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.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\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.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\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.exe

"C:\Users\Admin\AppData\Local\Temp\057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 147.185.221.23:20214 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 communications-sugar.gl.at.ply.gg udp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 147.185.221.23:20214 communications-sugar.gl.at.ply.gg tcp
US 8.8.8.8:53 131.72.42.20.in-addr.arpa udp

Files

memory/3636-0-0x000000007490E000-0x000000007490F000-memory.dmp

memory/3636-1-0x0000000000DF0000-0x0000000000ED6000-memory.dmp

memory/3636-2-0x0000000003290000-0x000000000329A000-memory.dmp

memory/3636-3-0x0000000074900000-0x00000000750B0000-memory.dmp

memory/3636-4-0x0000000005F60000-0x0000000006504000-memory.dmp

memory/3636-5-0x0000000005D50000-0x0000000005DE2000-memory.dmp

memory/3636-6-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

memory/3636-8-0x0000000005DF0000-0x0000000005DF8000-memory.dmp

memory/3636-7-0x0000000005D30000-0x0000000005D38000-memory.dmp

memory/3636-11-0x0000000005E10000-0x0000000005E5E000-memory.dmp

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

MD5 36da3c890e67303d1204ac52266ea80d
SHA1 8aadb0fd59dbd9653590cc4bf9fbb73ae8444767
SHA256 057b9aed86d82460255dcf944e207e2e4e09b50ce40752fa09c5a0f6df2d05b1
SHA512 3b79d4e8dfe6061f708b3f62df9c95a64d9c97c9522ade741a3275e1380b0176675d34f621282eadb96dcfac8736a5a8ae1ed492d4233b508300d17d94b0260f

memory/32-23-0x0000000074900000-0x00000000750B0000-memory.dmp

memory/3636-24-0x0000000074900000-0x00000000750B0000-memory.dmp

memory/32-25-0x0000000074900000-0x00000000750B0000-memory.dmp

memory/32-26-0x00000000059D0000-0x0000000005B92000-memory.dmp

memory/32-27-0x0000000005940000-0x0000000005950000-memory.dmp

memory/32-28-0x0000000005E20000-0x0000000005E2A000-memory.dmp

memory/32-29-0x0000000074900000-0x00000000750B0000-memory.dmp