Malware Analysis Report

2025-03-15 06:52

Sample ID 231210-bdnshsbbbk
Target ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474
SHA256 ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474

Threat Level: Known bad

The file ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474 was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

Orcus family

Orcus

Orcus main payload

Orcurs Rat Executable

Orcurs Rat Executable

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Drops file in Program Files directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

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: behavioral2

Detonation Overview

Submitted

2023-12-10 01:01

Reported

2023-12-10 01:04

Platform

win10v2004-20231130-en

Max time kernel

146s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.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-1-5-21-1791582586-1997866593-3795608343-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.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\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.exe N/A
File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.exe N/A
File created C:\Program Files (x86)\Orcus\Orcus.exe.config C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.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

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.exe

"C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.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 8.8.8.8:53 180.178.17.96.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 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
N/A 192.168.1.76:7778 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp

Files

memory/2924-1-0x00000000751C0000-0x0000000075970000-memory.dmp

memory/2924-0-0x0000000000B70000-0x0000000000C5A000-memory.dmp

memory/2924-2-0x0000000005680000-0x0000000005690000-memory.dmp

memory/2924-3-0x00000000030E0000-0x00000000030EE000-memory.dmp

memory/2924-4-0x00000000055D0000-0x000000000562C000-memory.dmp

memory/2924-6-0x00000000057E0000-0x0000000005872000-memory.dmp

memory/2924-5-0x0000000005CF0000-0x0000000006294000-memory.dmp

memory/2924-8-0x00000000057D0000-0x00000000057D8000-memory.dmp

memory/2924-9-0x0000000005C80000-0x0000000005C88000-memory.dmp

memory/2924-7-0x00000000057C0000-0x00000000057D2000-memory.dmp

memory/2924-10-0x0000000006310000-0x0000000006376000-memory.dmp

memory/2924-12-0x00000000063A0000-0x00000000063B2000-memory.dmp

memory/2924-11-0x00000000069A0000-0x0000000006FB8000-memory.dmp

memory/2924-13-0x0000000006400000-0x000000000643C000-memory.dmp

memory/2924-14-0x0000000006440000-0x000000000648C000-memory.dmp

memory/2924-15-0x00000000065B0000-0x00000000066BA000-memory.dmp

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

MD5 39dfe618dabddd313ee910e3113b7511
SHA1 3613eb45fc6460ae37a560a58bbd97d3dbd1b97a
SHA256 ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474
SHA512 bcd454f3e8fe48a2e39a33c946d93692e8545ff839ad2007cf14491a11cc7c36cc9eeb1e81552c98f1e1aece3337dd59ef309586b38f41c10b96ddc6a865f238

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

MD5 39dfe618dabddd313ee910e3113b7511
SHA1 3613eb45fc6460ae37a560a58bbd97d3dbd1b97a
SHA256 ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474
SHA512 bcd454f3e8fe48a2e39a33c946d93692e8545ff839ad2007cf14491a11cc7c36cc9eeb1e81552c98f1e1aece3337dd59ef309586b38f41c10b96ddc6a865f238

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

MD5 39dfe618dabddd313ee910e3113b7511
SHA1 3613eb45fc6460ae37a560a58bbd97d3dbd1b97a
SHA256 ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474
SHA512 bcd454f3e8fe48a2e39a33c946d93692e8545ff839ad2007cf14491a11cc7c36cc9eeb1e81552c98f1e1aece3337dd59ef309586b38f41c10b96ddc6a865f238

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

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/2208-33-0x00000000751C0000-0x0000000075970000-memory.dmp

memory/2208-34-0x0000000004D80000-0x0000000004D90000-memory.dmp

memory/2924-32-0x00000000751C0000-0x0000000075970000-memory.dmp

memory/2208-37-0x0000000005D80000-0x0000000005D98000-memory.dmp

C:\Users\Admin\AppData\Roaming\Orcus\err_afd6c48a4d3f48e4bfa6b1c34c905a2e.dat

MD5 f38359007b734a99114fdd006cf5d46a
SHA1 2e9274b828e138ae509e9c19c88af72f24cbff81
SHA256 cd93d5588472dab51a889e178e181619d7355163a83449340b3d8c1876bdd308
SHA512 997716a55498babbb95cd929310d915f192b0f681b39a1d55c42ef8c3d217c0b443cdb02d5fe7b9190212402efa58c9c320aa86e2d5adc2ce2131e1db1a7dfba

memory/2208-39-0x0000000006550000-0x0000000006560000-memory.dmp

memory/2208-38-0x0000000006720000-0x00000000068E2000-memory.dmp

memory/2208-40-0x0000000006A40000-0x0000000006A4A000-memory.dmp

memory/2208-41-0x00000000751C0000-0x0000000075970000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-10 01:01

Reported

2023-12-10 01:04

Platform

win7-20231129-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.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
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
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\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.exe N/A
File opened for modification C:\Program Files (x86)\Orcus\Orcus.exe C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.exe N/A
File created C:\Program Files (x86)\Orcus\Orcus.exe.config C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.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

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.exe

"C:\Users\Admin\AppData\Local\Temp\ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474.exe"

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

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

Network

Country Destination Domain Proto
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp
N/A 192.168.1.76:7778 tcp

Files

memory/2752-0-0x0000000000F60000-0x000000000104A000-memory.dmp

memory/2752-1-0x0000000074BE0000-0x00000000752CE000-memory.dmp

memory/2752-2-0x00000000003D0000-0x0000000000410000-memory.dmp

memory/2752-3-0x00000000003B0000-0x00000000003BE000-memory.dmp

memory/2752-4-0x0000000000B50000-0x0000000000BAC000-memory.dmp

memory/2752-7-0x00000000004B0000-0x00000000004B8000-memory.dmp

memory/2752-6-0x00000000004A0000-0x00000000004A8000-memory.dmp

memory/2752-5-0x0000000000440000-0x0000000000452000-memory.dmp

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

MD5 39dfe618dabddd313ee910e3113b7511
SHA1 3613eb45fc6460ae37a560a58bbd97d3dbd1b97a
SHA256 ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474
SHA512 bcd454f3e8fe48a2e39a33c946d93692e8545ff839ad2007cf14491a11cc7c36cc9eeb1e81552c98f1e1aece3337dd59ef309586b38f41c10b96ddc6a865f238

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

MD5 39dfe618dabddd313ee910e3113b7511
SHA1 3613eb45fc6460ae37a560a58bbd97d3dbd1b97a
SHA256 ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474
SHA512 bcd454f3e8fe48a2e39a33c946d93692e8545ff839ad2007cf14491a11cc7c36cc9eeb1e81552c98f1e1aece3337dd59ef309586b38f41c10b96ddc6a865f238

memory/3020-19-0x0000000074BE0000-0x00000000752CE000-memory.dmp

memory/2752-18-0x0000000074BE0000-0x00000000752CE000-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 39dfe618dabddd313ee910e3113b7511
SHA1 3613eb45fc6460ae37a560a58bbd97d3dbd1b97a
SHA256 ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474
SHA512 bcd454f3e8fe48a2e39a33c946d93692e8545ff839ad2007cf14491a11cc7c36cc9eeb1e81552c98f1e1aece3337dd59ef309586b38f41c10b96ddc6a865f238

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

MD5 39dfe618dabddd313ee910e3113b7511
SHA1 3613eb45fc6460ae37a560a58bbd97d3dbd1b97a
SHA256 ce105262f1514791fe43496104c8ccdc4217757268a25c7b293ba4c034b99474
SHA512 bcd454f3e8fe48a2e39a33c946d93692e8545ff839ad2007cf14491a11cc7c36cc9eeb1e81552c98f1e1aece3337dd59ef309586b38f41c10b96ddc6a865f238

memory/3020-21-0x0000000000980000-0x0000000000A6A000-memory.dmp

memory/3020-22-0x0000000004A60000-0x0000000004AA0000-memory.dmp

memory/3020-23-0x0000000000730000-0x0000000000742000-memory.dmp

memory/3020-26-0x0000000002240000-0x0000000002258000-memory.dmp

C:\Users\Admin\AppData\Roaming\Orcus\err_afd6c48a4d3f48e4bfa6b1c34c905a2e.dat

MD5 37404a8f02ad90cd42ab46e2d85ac043
SHA1 9015ca3d341300bb73c33438aefd76efde978700
SHA256 9a9ca83168cccf3180090b0c7c30667a7fec9eb7c76aa461c9e692ca108eb1d1
SHA512 f377182721c51c9ddf762eef775cacfff348851be97997b8393439f37974c8aa6fb0a39e1554c4116f99fe0e26881c14c3d502aeba9ca3c99dc29f573ab024a7

memory/3020-27-0x00000000023E0000-0x00000000023F0000-memory.dmp

memory/3020-28-0x0000000074BE0000-0x00000000752CE000-memory.dmp

memory/3020-29-0x0000000004A60000-0x0000000004AA0000-memory.dmp