Malware Analysis Report

2025-01-22 14:47

Sample ID 241128-yp5xhaylbw
Target segseg.exe
SHA256 a83d873568dd41be58d05aa7085684f05793bde5d5c28a1b2070e3a5f16bbfb8
Tags
rat awegaweg orcus discovery spyware stealer evasion
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

a83d873568dd41be58d05aa7085684f05793bde5d5c28a1b2070e3a5f16bbfb8

Threat Level: Known bad

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

Malicious Activity Summary

rat awegaweg orcus discovery spyware stealer evasion

Orcus

Orcus family

Disables Task Manager via registry modification

Loads dropped DLL

Reads data files stored by FTP clients

Executes dropped EXE

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Checks computer location settings

Looks up external IP address via web service

Checks installed software on the system

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Checks processor information in registry

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-28 19:58

Signatures

Orcus family

orcus

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-28 19:58

Reported

2024-11-28 20:01

Platform

win7-20241010-en

Max time kernel

21s

Max time network

142s

Command Line

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

Suspicious use of SetWindowsHookEx

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\segseg.exe

"C:\Users\Admin\AppData\Local\Temp\segseg.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 127.0.0.1:7000 tcp
US 8.8.8.8:53 email-hitting.gl.at.ply.gg udp
US 147.185.221.22:63341 email-hitting.gl.at.ply.gg tcp

Files

memory/2060-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

memory/2060-1-0x0000000000380000-0x0000000000458000-memory.dmp

memory/2060-2-0x00000000001C0000-0x00000000001CA000-memory.dmp

memory/2060-3-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/2060-4-0x0000000000820000-0x000000000086C000-memory.dmp

memory/2060-7-0x00000000008C0000-0x000000000090E000-memory.dmp

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

MD5 0994b37669146a1384224c18299c054f
SHA1 cf9e3baf60db3b3813a87eaf8d1281105adab7f4
SHA256 a83d873568dd41be58d05aa7085684f05793bde5d5c28a1b2070e3a5f16bbfb8
SHA512 536162a78038e954bab16dd79284a71fa05faf69476a4cf7579c40b2446fe93b85889e00ee98c4087954bb498ae437634010b81b091a18c69488b6a68adf69da

memory/2884-15-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/2060-14-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/2884-16-0x0000000000A40000-0x0000000000B18000-memory.dmp

memory/2884-17-0x00000000749F0000-0x00000000750DE000-memory.dmp

memory/2884-18-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/2884-19-0x00000000749F0000-0x00000000750DE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabB905.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

memory/2884-36-0x0000000004360000-0x000000000436C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-28 19:58

Reported

2024-11-28 20:01

Platform

win10v2004-20241007-en

Max time kernel

136s

Max time network

150s

Command Line

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

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Disables Task Manager via registry modification

evasion

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\segseg.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

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A 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\segseg.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier 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
N/A N/A C:\Users\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
Token: 33 N/A C:\Windows\system32\AUDIODG.EXE N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\system32\AUDIODG.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

Suspicious use of SetWindowsHookEx

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\segseg.exe

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

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

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

C:\Windows\system32\taskmgr.exe

"C:\Windows\system32\taskmgr.exe" /4

C:\Windows\system32\AUDIODG.EXE

C:\Windows\system32\AUDIODG.EXE 0x4c0 0x508

Network

Country Destination Domain Proto
US 8.8.8.8:53 105.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
N/A 127.0.0.1:7000 tcp
US 8.8.8.8:53 email-hitting.gl.at.ply.gg udp
US 147.185.221.22:63341 email-hitting.gl.at.ply.gg tcp
US 8.8.8.8:53 22.221.185.147.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:443 api.ipify.org tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 152.74.67.172.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4932-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

memory/4932-1-0x0000000000E60000-0x0000000000F38000-memory.dmp

memory/4932-2-0x0000000005890000-0x000000000589A000-memory.dmp

memory/4932-3-0x00000000748A0000-0x0000000075050000-memory.dmp

memory/4932-4-0x0000000005EF0000-0x0000000006494000-memory.dmp

memory/4932-5-0x0000000005DA0000-0x0000000005E32000-memory.dmp

memory/4932-6-0x0000000005D10000-0x0000000005D5C000-memory.dmp

memory/4932-7-0x00000000064A0000-0x0000000006506000-memory.dmp

memory/4932-10-0x0000000006840000-0x000000000688E000-memory.dmp

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

MD5 0994b37669146a1384224c18299c054f
SHA1 cf9e3baf60db3b3813a87eaf8d1281105adab7f4
SHA256 a83d873568dd41be58d05aa7085684f05793bde5d5c28a1b2070e3a5f16bbfb8
SHA512 536162a78038e954bab16dd79284a71fa05faf69476a4cf7579c40b2446fe93b85889e00ee98c4087954bb498ae437634010b81b091a18c69488b6a68adf69da

memory/3380-22-0x00000000748A0000-0x0000000075050000-memory.dmp

memory/3380-23-0x00000000748A0000-0x0000000075050000-memory.dmp

memory/3380-24-0x0000000005EB0000-0x0000000006072000-memory.dmp

memory/3380-25-0x0000000005E30000-0x0000000005E40000-memory.dmp

memory/3380-26-0x0000000006560000-0x000000000656A000-memory.dmp

memory/4932-27-0x00000000748A0000-0x0000000075050000-memory.dmp

memory/3380-28-0x00000000748A0000-0x0000000075050000-memory.dmp

memory/3380-31-0x0000000006DB0000-0x0000000006DBC000-memory.dmp

memory/3380-32-0x0000000007B30000-0x0000000008148000-memory.dmp

memory/3380-33-0x0000000006E00000-0x0000000006E12000-memory.dmp

memory/3380-34-0x0000000006E60000-0x0000000006E9C000-memory.dmp

memory/3380-35-0x0000000006EA0000-0x0000000006EEC000-memory.dmp

memory/3380-36-0x0000000007640000-0x000000000774A000-memory.dmp

memory/3380-37-0x0000000008680000-0x0000000008BAC000-memory.dmp

memory/3380-40-0x0000000005D70000-0x0000000005D78000-memory.dmp

memory/3380-44-0x0000000007A80000-0x0000000007AD0000-memory.dmp

memory/3380-45-0x00000000748A0000-0x0000000075050000-memory.dmp

memory/3380-46-0x00000000748A0000-0x0000000075050000-memory.dmp

memory/3380-47-0x0000000008580000-0x000000000862A000-memory.dmp

memory/3380-50-0x0000000008EA0000-0x000000000901A000-memory.dmp

memory/3380-51-0x000000000A8C0000-0x000000000A944000-memory.dmp