Malware Analysis Report

2025-03-15 06:47

Sample ID 250115-bdy89axlgj
Target 9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca
SHA256 9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca
Tags
новый тег 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

9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca

Threat Level: Known bad

The file 9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca was found to be: Known bad.

Malicious Activity Summary

новый тег orcus discovery rat spyware stealer

Orcus family

Orcus main payload

Orcus

Orcurs Rat Executable

Orcurs Rat Executable

Loads dropped DLL

Executes dropped EXE

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Checks computer location settings

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-15 01:02

Signatures

Orcurs Rat Executable

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

Orcus family

orcus

Orcus main payload

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-15 01:02

Reported

2025-01-15 01:04

Platform

win7-20240903-en

Max time kernel

126s

Max time network

127s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Orcus main payload

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

Orcurs Rat Executable

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

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\videovm_\cdnprivate.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2380 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2380 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2380 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2380 wrote to memory of 2432 N/A C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1244 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1244 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1244 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1244 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1752 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1752 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1752 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1752 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1776 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1776 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1776 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe
PID 2756 wrote to memory of 1776 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

Processes

C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe

"C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe"

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

"C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {8356D77C-D82F-421F-85A7-900AA1FF6B76} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 36345.client.sudorat.top udp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
N/A 127.0.0.1:1111 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 31.44.184.52:36345 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 31.44.184.52:36345 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp

Files

memory/2380-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

memory/2380-1-0x00000000002B0000-0x00000000005AE000-memory.dmp

memory/2380-2-0x0000000000820000-0x000000000082E000-memory.dmp

memory/2380-3-0x00000000749D0000-0x00000000750BE000-memory.dmp

memory/2380-4-0x0000000002230000-0x000000000228C000-memory.dmp

memory/2380-5-0x0000000000970000-0x0000000000982000-memory.dmp

\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

MD5 1a948267c6fe22a7e590600b26beea3f
SHA1 a26eb4bc6bd38d7a2f16900ca2efaf6e5126f97c
SHA256 9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca
SHA512 97af559232254cd0e571ce0a9aad83c72147e76fed2e3363887f0a89e1f60a92ecdbd334b98ed14e3c78408dc8538c9e09c23769e9e51831529f41fe35d13c2a

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/2432-16-0x00000000749D0000-0x00000000750BE000-memory.dmp

memory/2380-17-0x00000000749D0000-0x00000000750BE000-memory.dmp

memory/2432-18-0x0000000001180000-0x000000000147E000-memory.dmp

memory/2432-19-0x00000000749D0000-0x00000000750BE000-memory.dmp

memory/2432-20-0x0000000000740000-0x0000000000752000-memory.dmp

memory/2432-21-0x0000000000C80000-0x0000000000CCE000-memory.dmp

memory/2432-22-0x0000000001130000-0x0000000001148000-memory.dmp

memory/2432-23-0x00000000049B0000-0x00000000049C0000-memory.dmp

memory/2432-25-0x00000000749D0000-0x00000000750BE000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab343C.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

memory/2432-43-0x00000000049E0000-0x00000000049EE000-memory.dmp

memory/2432-44-0x0000000004B20000-0x0000000004B22000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-15 01:02

Reported

2025-01-15 01:04

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Orcus main payload

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

Orcurs Rat Executable

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.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\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe

"C:\Users\Admin\AppData\Local\Temp\9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca.exe"

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

"C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe"

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 86.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 167.173.78.104.in-addr.arpa udp
US 8.8.8.8:53 36345.client.sudorat.top udp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
N/A 127.0.0.1:1111 tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 31.44.184.52:36345 tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
US 8.8.8.8:53 60.153.16.2.in-addr.arpa udp
RU 31.44.184.52:36345 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 31.44.184.52:36345 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 31.44.184.52:36345 tcp

Files

memory/2012-0-0x000000007530E000-0x000000007530F000-memory.dmp

memory/2012-1-0x0000000000990000-0x0000000000C8E000-memory.dmp

memory/2012-2-0x0000000005440000-0x000000000544E000-memory.dmp

memory/2012-3-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/2012-4-0x0000000005710000-0x000000000576C000-memory.dmp

memory/2012-5-0x0000000005E00000-0x00000000063A4000-memory.dmp

memory/2012-6-0x00000000058F0000-0x0000000005982000-memory.dmp

memory/2012-7-0x00000000058E0000-0x00000000058F2000-memory.dmp

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe

MD5 1a948267c6fe22a7e590600b26beea3f
SHA1 a26eb4bc6bd38d7a2f16900ca2efaf6e5126f97c
SHA256 9964218e6e088147333fc5485777160fbdb8fd63fc60fbca7653f3ea81cf59ca
SHA512 97af559232254cd0e571ce0a9aad83c72147e76fed2e3363887f0a89e1f60a92ecdbd334b98ed14e3c78408dc8538c9e09c23769e9e51831529f41fe35d13c2a

C:\Users\Admin\AppData\Roaming\videovm_\cdnprivate.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/3368-23-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/2012-24-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/3368-25-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/3368-26-0x00000000055D0000-0x00000000055E2000-memory.dmp

memory/3368-27-0x00000000055F0000-0x000000000563E000-memory.dmp

memory/3368-29-0x0000000005DA0000-0x0000000005DB8000-memory.dmp

memory/1280-30-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/3368-31-0x0000000005DE0000-0x0000000005DF0000-memory.dmp

memory/1280-33-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/3368-32-0x00000000063A0000-0x00000000063AA000-memory.dmp

memory/1280-35-0x0000000075300000-0x0000000075AB0000-memory.dmp

memory/3368-36-0x0000000075300000-0x0000000075AB0000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\cdnprivate.exe.log

MD5 0672db2ef13237d5cb85075ff4915942
SHA1 ad8b4d3eb5e40791c47d48b22e273486f25f663f
SHA256 0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519
SHA512 84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b