Malware Analysis Report

2025-01-22 14:46

Sample ID 241127-bqv3csyrhx
Target ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b
SHA256 ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b
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

ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b

Threat Level: Known bad

The file ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b was found to be: Known bad.

Malicious Activity Summary

orcus discovery rat spyware stealer

Orcus family

Orcus

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-27 01:21

Signatures

Orcus family

orcus

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-27 01:21

Reported

2024-11-27 01:24

Platform

win7-20241010-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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

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\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe

"C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp

Files

memory/2356-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

memory/2356-1-0x0000000000AE0000-0x0000000000BBC000-memory.dmp

memory/2356-2-0x00000000008D0000-0x00000000008DA000-memory.dmp

memory/2356-3-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/2356-4-0x0000000000950000-0x000000000099C000-memory.dmp

memory/2356-7-0x0000000000A80000-0x0000000000ACE000-memory.dmp

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

MD5 0c9b9d93b1938108ffe6d2860ae9a32d
SHA1 06891084a5e117b5f8953b336a10cfb149aa9b89
SHA256 ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b
SHA512 f66c7245b411e904d75094e37b488299de992a967b2ba67023bda22b9f34fe4dadbd11b4f344aa55337f41d3565bb4629c5c78ed8b32474eb7764ba4289c5043

memory/2356-14-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/596-17-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/596-16-0x0000000074C60000-0x000000007534E000-memory.dmp

memory/596-15-0x00000000013B0000-0x000000000148C000-memory.dmp

memory/596-18-0x0000000000340000-0x0000000000350000-memory.dmp

memory/596-19-0x0000000074C60000-0x000000007534E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-27 01:21

Reported

2024-11-27 01:23

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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

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\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.exe

"C:\Users\Admin\AppData\Local\Temp\ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
N/A 192.168.2.4:1604 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp
N/A 192.168.2.4:1604 tcp

Files

memory/3464-0-0x000000007492E000-0x000000007492F000-memory.dmp

memory/3464-1-0x0000000000130000-0x000000000020C000-memory.dmp

memory/3464-2-0x00000000024F0000-0x00000000024FA000-memory.dmp

memory/3464-3-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/3464-4-0x00000000053A0000-0x0000000005944000-memory.dmp

memory/3464-5-0x0000000005090000-0x0000000005122000-memory.dmp

memory/3464-6-0x0000000004FF0000-0x000000000503C000-memory.dmp

memory/3464-9-0x0000000005130000-0x000000000517E000-memory.dmp

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

MD5 0c9b9d93b1938108ffe6d2860ae9a32d
SHA1 06891084a5e117b5f8953b336a10cfb149aa9b89
SHA256 ed84165ca307b37979dbf6ea4872b9b4b581beb789fa26fa46d807b348a9a66b
SHA512 f66c7245b411e904d75094e37b488299de992a967b2ba67023bda22b9f34fe4dadbd11b4f344aa55337f41d3565bb4629c5c78ed8b32474eb7764ba4289c5043

memory/2704-22-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/3464-21-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/2704-23-0x0000000074920000-0x00000000750D0000-memory.dmp

memory/2704-24-0x0000000005CD0000-0x0000000005E92000-memory.dmp

memory/2704-25-0x0000000005510000-0x0000000005520000-memory.dmp

memory/2704-26-0x0000000006200000-0x000000000620A000-memory.dmp

memory/2704-27-0x0000000074920000-0x00000000750D0000-memory.dmp