Malware Analysis Report

2025-03-15 06:54

Sample ID 231210-bdm6zscfh3
Target 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c
SHA256 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c
Tags
orcus 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

1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c

Threat Level: Known bad

The file 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

Orcus

Orcus main payload

Orcus family

Orcurs Rat Executable

Orcurs Rat Executable

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-10 01:01

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

2023-12-10 01:01

Reported

2023-12-10 01:04

Platform

win7-20231020-en

Max time kernel

149s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus main payload

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

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
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe N/A
File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe N/A
File created C:\Program Files (x86)\Orcus\Orcus.exe.config C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe

"C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe"

C:\Program Files (x86)\Orcus\Orcus.exe

"C:\Program Files (x86)\Orcus\Orcus.exe"

Network

Country Destination Domain Proto
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp

Files

memory/3048-0-0x0000000000890000-0x000000000097A000-memory.dmp

memory/3048-1-0x0000000074660000-0x0000000074D4E000-memory.dmp

memory/3048-2-0x0000000004730000-0x0000000004770000-memory.dmp

memory/3048-3-0x00000000001F0000-0x00000000001FE000-memory.dmp

memory/3048-4-0x00000000005C0000-0x000000000061C000-memory.dmp

memory/3048-5-0x0000000000400000-0x0000000000412000-memory.dmp

memory/3048-6-0x0000000000420000-0x0000000000428000-memory.dmp

memory/3048-7-0x0000000000430000-0x0000000000438000-memory.dmp

\Program Files (x86)\Orcus\Orcus.exe

MD5 eecb08a8142e3504f914a4b001a4aa48
SHA1 ad0828ca3e3d04219545d0de90a176f71815e78c
SHA256 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c
SHA512 c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264

C:\Program Files (x86)\Orcus\Orcus.exe

MD5 eecb08a8142e3504f914a4b001a4aa48
SHA1 ad0828ca3e3d04219545d0de90a176f71815e78c
SHA256 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c
SHA512 c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264

C:\Program Files (x86)\Orcus\Orcus.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/2352-18-0x0000000074660000-0x0000000074D4E000-memory.dmp

C:\Program Files (x86)\Orcus\Orcus.exe

MD5 eecb08a8142e3504f914a4b001a4aa48
SHA1 ad0828ca3e3d04219545d0de90a176f71815e78c
SHA256 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c
SHA512 c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264

memory/3048-19-0x0000000074660000-0x0000000074D4E000-memory.dmp

memory/2352-20-0x0000000000DB0000-0x0000000000E9A000-memory.dmp

memory/2352-21-0x0000000004AE0000-0x0000000004B20000-memory.dmp

C:\Users\Admin\AppData\Roaming\Orcus\err_9330fd5dd8ac40358129df34f738958a.dat

MD5 f94c34a067752e878c3f9eeb56802122
SHA1 fd6fd174f68c2a4a9a101a96a855774906550fcc
SHA256 ab0deedd1eb328e0a05376929e6beedf072397c09477d7cc6bf3ed7aa9a7ce15
SHA512 51e2843c900dc5371fcd3cb3a3666336549aa40000d69b95fd5eac0006819091bf5c2b92f276b1e6af7bcbde8e86da5872b8c4d0c0db835baa215e273ed96102

memory/2352-24-0x0000000000D90000-0x0000000000DA8000-memory.dmp

memory/2352-25-0x00000000048B0000-0x00000000048C0000-memory.dmp

memory/2352-26-0x0000000074660000-0x0000000074D4E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-10 01:01

Reported

2023-12-10 01:04

Platform

win10v2004-20231130-en

Max time kernel

148s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus main payload

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

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
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe N/A
File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe N/A
File created C:\Program Files (x86)\Orcus\Orcus.exe.config C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Orcus\Orcus.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe

"C:\Users\Admin\AppData\Local\Temp\1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c.exe"

C:\Program Files (x86)\Orcus\Orcus.exe

"C:\Program Files (x86)\Orcus\Orcus.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 19.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp
N/A 127.0.0.1:6667 tcp

Files

memory/1612-1-0x0000000000250000-0x000000000033A000-memory.dmp

memory/1612-0-0x0000000074B90000-0x0000000075340000-memory.dmp

memory/1612-2-0x0000000004FA0000-0x0000000004FB0000-memory.dmp

memory/1612-4-0x0000000004CE0000-0x0000000004D3C000-memory.dmp

memory/1612-6-0x0000000004EB0000-0x0000000004F42000-memory.dmp

memory/1612-5-0x0000000005560000-0x0000000005B04000-memory.dmp

memory/1612-3-0x00000000026C0000-0x00000000026CE000-memory.dmp

memory/1612-9-0x0000000004F50000-0x0000000004F58000-memory.dmp

memory/1612-10-0x0000000005420000-0x0000000005486000-memory.dmp

memory/1612-8-0x0000000004EA0000-0x0000000004EA8000-memory.dmp

memory/1612-12-0x00000000054C0000-0x00000000054D2000-memory.dmp

memory/1612-13-0x0000000005520000-0x000000000555C000-memory.dmp

memory/1612-14-0x0000000005B10000-0x0000000005B5C000-memory.dmp

memory/1612-11-0x0000000006130000-0x0000000006748000-memory.dmp

memory/1612-7-0x0000000004E90000-0x0000000004EA2000-memory.dmp

memory/1612-15-0x0000000005C90000-0x0000000005D9A000-memory.dmp

C:\Program Files (x86)\Orcus\Orcus.exe

MD5 eecb08a8142e3504f914a4b001a4aa48
SHA1 ad0828ca3e3d04219545d0de90a176f71815e78c
SHA256 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c
SHA512 c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264

C:\Program Files (x86)\Orcus\Orcus.exe

MD5 eecb08a8142e3504f914a4b001a4aa48
SHA1 ad0828ca3e3d04219545d0de90a176f71815e78c
SHA256 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c
SHA512 c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264

memory/2728-32-0x0000000074B90000-0x0000000075340000-memory.dmp

memory/1612-31-0x0000000074B90000-0x0000000075340000-memory.dmp

C:\Program Files (x86)\Orcus\Orcus.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

C:\Program Files (x86)\Orcus\Orcus.exe

MD5 eecb08a8142e3504f914a4b001a4aa48
SHA1 ad0828ca3e3d04219545d0de90a176f71815e78c
SHA256 1706bb0d7548ad810a515820c8e22bb8a2f81c3a1b8b730b02d356721ae9612c
SHA512 c760859e7f9e5d87bfeaab151f4b31fa2a5a7d615fc74e54fdf115b670d02ee9b2ca8b8041bf4580d100a7519f71c3197239bc53b44fefcde7b5cc37c1192264

C:\Users\Admin\AppData\Roaming\Orcus\err_9330fd5dd8ac40358129df34f738958a.dat

MD5 efd8d974235775712af0a92a8d7e6a7c
SHA1 78e8050df9db23335f79156894ac9ed753af8202
SHA256 307484aa838189319c226e18744fef9a3cb32610d400f5d347c5113acafacfd7
SHA512 ae434c5c678e16e413ed1f1f500354ed61a509ee324821b045cda721e693959eb5cb1d85671f678e5ed0d2fa74a58f7908f77636ac4468a94ba33ea3bdf3fa5a

memory/2728-35-0x0000000006720000-0x0000000006738000-memory.dmp

memory/2728-36-0x0000000006750000-0x0000000006760000-memory.dmp

memory/2728-37-0x0000000007200000-0x000000000720A000-memory.dmp

memory/2728-38-0x0000000074B90000-0x0000000075340000-memory.dmp

memory/2728-39-0x00000000055E0000-0x00000000055F0000-memory.dmp