Malware Analysis Report

2025-03-15 06:51

Sample ID 240108-blcefshebn
Target 1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644
SHA256 1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644
Tags
orcus persistence 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

1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644

Threat Level: Known bad

The file 1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644 was found to be: Known bad.

Malicious Activity Summary

orcus persistence rat spyware stealer

Orcus

Orcurs Rat Executable

Orcus family

Orcus main payload

Orcurs Rat Executable

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Drops file in System32 directory

Drops file in Program Files directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-01-08 01:13

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

2024-01-08 01:13

Reported

2024-01-08 01:16

Platform

win7-20231215-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe"

Signatures

Orcus

rat spyware stealer 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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\WSupdate = "\"C:\\Program Files (x86)\\WSupdate\\WSupdate.exe\"" C:\Program Files (x86)\WSupdate\WSupdate.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\WindowsInput.InstallState C:\Windows\SysWOW64\WindowsInput.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.exe C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.exe.config C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A
File opened for modification C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A
File created C:\Program Files (x86)\WSupdate\WSupdate.exe.config C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
N/A N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Program Files (x86)\WSupdate\WSupdate.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe N/A

Suspicious use of FindShellTrayWindow

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

Suspicious use of SendNotifyMessage

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

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2328 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Windows\SysWOW64\WindowsInput.exe
PID 2328 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Windows\SysWOW64\WindowsInput.exe
PID 2328 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Windows\SysWOW64\WindowsInput.exe
PID 2328 wrote to memory of 2852 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Windows\SysWOW64\WindowsInput.exe
PID 2328 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 2328 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 2328 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 2328 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 2328 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 2328 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 2328 wrote to memory of 2548 N/A C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 1644 wrote to memory of 2764 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 1644 wrote to memory of 2764 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 1644 wrote to memory of 2764 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 1644 wrote to memory of 2764 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 1644 wrote to memory of 2764 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 1644 wrote to memory of 2764 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 1644 wrote to memory of 2764 N/A C:\Windows\system32\taskeng.exe C:\Program Files (x86)\WSupdate\WSupdate.exe
PID 2548 wrote to memory of 1972 N/A C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 2548 wrote to memory of 1972 N/A C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 2548 wrote to memory of 1972 N/A C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 2548 wrote to memory of 1972 N/A C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 2548 wrote to memory of 1972 N/A C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 2548 wrote to memory of 1972 N/A C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 2548 wrote to memory of 1972 N/A C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 1972 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 1972 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 1972 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 1972 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 1972 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 1972 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe
PID 1972 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\WSupdate.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe

"C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe"

C:\Windows\SysWOW64\WindowsInput.exe

"C:\Windows\SysWOW64\WindowsInput.exe" --install

C:\Windows\SysWOW64\WindowsInput.exe

"C:\Windows\SysWOW64\WindowsInput.exe"

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

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

C:\Windows\system32\taskeng.exe

taskeng.exe {A09C6569-FF74-43DD-98AE-708CB114E321} S-1-5-21-3427588347-1492276948-3422228430-1000:QVMRJQQO\Admin:Interactive:[1]

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

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

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

"C:\Users\Admin\AppData\Local\Temp\WSupdate.exe" /launchSelfAndExit "C:\Program Files (x86)\WSupdate\WSupdate.exe" 2548 /protectFile

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

"C:\Users\Admin\AppData\Local\Temp\WSupdate.exe" /watchProcess "C:\Program Files (x86)\WSupdate\WSupdate.exe" 2548 "/protectFile"

Network

Country Destination Domain Proto
N/A 192.168.219.110:10134 tcp
US 8.8.8.8:53 nonamedc.mcv.kr udp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp
N/A 192.168.219.116:10134 tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp
N/A 192.168.219.116:10134 tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp

Files

memory/2328-0-0x0000000001300000-0x00000000013EE000-memory.dmp

memory/2328-1-0x0000000074C50000-0x000000007533E000-memory.dmp

memory/2328-2-0x0000000000DA0000-0x0000000000DE0000-memory.dmp

memory/2328-3-0x0000000000240000-0x000000000024E000-memory.dmp

memory/2328-4-0x0000000000D20000-0x0000000000D7C000-memory.dmp

memory/2328-5-0x0000000000390000-0x00000000003A2000-memory.dmp

memory/2328-6-0x00000000003F0000-0x00000000003F8000-memory.dmp

memory/2328-7-0x0000000000400000-0x0000000000408000-memory.dmp

\Windows\SysWOW64\WindowsInput.exe

MD5 e6fcf516d8ed8d0d4427f86e08d0d435
SHA1 c7691731583ab7890086635cb7f3e4c22ca5e409
SHA256 8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512 c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

C:\Windows\SysWOW64\WindowsInput.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/2852-17-0x00000000013A0000-0x00000000013AC000-memory.dmp

memory/2852-18-0x000007FEF5C60000-0x000007FEF664C000-memory.dmp

memory/2852-19-0x00000000012F0000-0x0000000001370000-memory.dmp

memory/2852-22-0x000007FEF5C60000-0x000007FEF664C000-memory.dmp

memory/2580-24-0x000007FEF5270000-0x000007FEF5C5C000-memory.dmp

memory/2580-25-0x0000000019450000-0x00000000194D0000-memory.dmp

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

MD5 f362a73a814b9b2d1dd9ed8ce21d2bb7
SHA1 6dcbe83bc29bcd5e312f0c50e635ff6a0318551b
SHA256 1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644
SHA512 2462f5ba76004235218d82f90894bdd23c5276eab2b1b595ae6bee86706c79cdcfe3450f4eaa7448d6efeebdcc7c1e31d705e33c0ee80464a3449d8ae1983232

memory/2328-37-0x0000000074C50000-0x000000007533E000-memory.dmp

memory/2548-36-0x0000000000390000-0x000000000047E000-memory.dmp

memory/2548-38-0x0000000074C50000-0x000000007533E000-memory.dmp

memory/2548-39-0x00000000048A0000-0x00000000048E0000-memory.dmp

memory/2548-40-0x0000000000720000-0x0000000000732000-memory.dmp

C:\Users\Admin\AppData\Roaming\WSupdate\err_9163782c0b5d4ce59451034f03e0345e.dat

MD5 b54a17c6b76860ddad94ce7856cd5a61
SHA1 4ab97dbf787c137002a3a036b5e7301029b6a451
SHA256 c9f32c8fabb11996b523e5ef1b417865ecf19908d43cbafe35d23bebadcf7d38
SHA512 31f57253f64c21e738f4bd6485838c75955018ee119aafa87ed2b1c0ea684f0640d889ec8e05348d5d239c464f6985f2c8dbb4e7770f2001c23bd0155af30805

memory/2548-43-0x0000000002150000-0x000000000219E000-memory.dmp

memory/2548-44-0x0000000002200000-0x0000000002218000-memory.dmp

memory/2764-46-0x0000000074C50000-0x000000007533E000-memory.dmp

memory/2548-47-0x0000000004420000-0x0000000004430000-memory.dmp

memory/2764-48-0x0000000004B80000-0x0000000004BC0000-memory.dmp

memory/2548-51-0x00000000048A0000-0x00000000048E0000-memory.dmp

\Users\Admin\AppData\Local\Temp\WSupdate.exe

MD5 913967b216326e36a08010fb70f9dba3
SHA1 7b6f8c2eb5b443e03c212b85c2f0edb9c76ad2bf
SHA256 8d880758549220154d2ff4ee578f2b49527c5fb76a07d55237b61e30bcc09e3a
SHA512 c6fcb98d9fd509e9834fc3fba143bd36d41869cc104fbce5354951f0a6756156e34a30796baaa130dd45de3ed96e039ec14716716f6da4569915c7ef2d2b6c33

memory/1972-59-0x0000000000ED0000-0x0000000000ED8000-memory.dmp

memory/1972-60-0x0000000074C50000-0x000000007533E000-memory.dmp

memory/2156-63-0x0000000074C50000-0x000000007533E000-memory.dmp

memory/1972-64-0x0000000074C50000-0x000000007533E000-memory.dmp

memory/2580-65-0x000007FEF5270000-0x000007FEF5C5C000-memory.dmp

memory/2764-66-0x0000000074C50000-0x000000007533E000-memory.dmp

memory/2548-67-0x0000000074C50000-0x000000007533E000-memory.dmp

memory/2548-68-0x00000000048A0000-0x00000000048E0000-memory.dmp

memory/2156-69-0x0000000074C50000-0x000000007533E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-08 01:13

Reported

2024-01-08 01:16

Platform

win10v2004-20231215-en

Max time kernel

162s

Max time network

174s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe"

Signatures

Orcus

rat spyware stealer 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
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Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WSupdate = "\"C:\\Program Files (x86)\\WSupdate\\WSupdate.exe\"" C:\Program Files (x86)\WSupdate\WSupdate.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\WindowsInput.exe C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.exe.config C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A
File created C:\Windows\SysWOW64\WindowsInput.InstallState C:\Windows\SysWOW64\WindowsInput.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A
File opened for modification C:\Program Files (x86)\WSupdate\WSupdate.exe C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A
File created C:\Program Files (x86)\WSupdate\WSupdate.exe.config C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe

"C:\Users\Admin\AppData\Local\Temp\1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644.exe"

C:\Windows\SysWOW64\WindowsInput.exe

"C:\Windows\SysWOW64\WindowsInput.exe" --install

C:\Windows\SysWOW64\WindowsInput.exe

"C:\Windows\SysWOW64\WindowsInput.exe"

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

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

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 146.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 209.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 169.117.168.52.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

memory/3256-0-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/3256-1-0x00000000007F0000-0x00000000008DE000-memory.dmp

memory/3256-2-0x00000000052D0000-0x00000000052E0000-memory.dmp

memory/3256-3-0x00000000013D0000-0x00000000013DE000-memory.dmp

memory/3256-4-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/3256-5-0x0000000005270000-0x00000000052CC000-memory.dmp

memory/3256-6-0x0000000005900000-0x0000000005EA4000-memory.dmp

memory/3256-7-0x00000000053F0000-0x0000000005482000-memory.dmp

memory/3256-8-0x00000000052D0000-0x00000000052E0000-memory.dmp

memory/3256-9-0x0000000000F60000-0x0000000000F72000-memory.dmp

memory/3256-10-0x0000000000F70000-0x0000000000F78000-memory.dmp

memory/3256-11-0x0000000000F80000-0x0000000000F88000-memory.dmp

memory/3256-12-0x0000000001280000-0x00000000012E6000-memory.dmp

memory/3256-13-0x00000000064D0000-0x0000000006AE8000-memory.dmp

memory/3256-14-0x00000000057F0000-0x0000000005802000-memory.dmp

memory/3256-15-0x0000000005850000-0x000000000588C000-memory.dmp

memory/3256-16-0x0000000005890000-0x00000000058DC000-memory.dmp

memory/3256-17-0x0000000005FC0000-0x00000000060CA000-memory.dmp

memory/3256-19-0x0000000006AF0000-0x0000000006B12000-memory.dmp

C:\Windows\SysWOW64\WindowsInput.exe

MD5 e6fcf516d8ed8d0d4427f86e08d0d435
SHA1 c7691731583ab7890086635cb7f3e4c22ca5e409
SHA256 8dbe814359391ed6b0b5b182039008cf1d00964da9fbc4747f46242a95c24337
SHA512 c496cf8e2e222fe1e19051b291e6860f31aae39f54369c1c5e8c9758c4b56e8af904e3e536e743a0a6fdbbf8478afba4baee92e13fc1b3073376ac6bf4a7948e

C:\Windows\SysWOW64\WindowsInput.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/2528-33-0x0000000000D40000-0x0000000000D4C000-memory.dmp

memory/2528-34-0x00007FF99DB20000-0x00007FF99E5E1000-memory.dmp

memory/2528-35-0x000000001BAB0000-0x000000001BAC0000-memory.dmp

memory/2528-36-0x0000000002DE0000-0x0000000002DF2000-memory.dmp

memory/2528-37-0x0000000002E70000-0x0000000002EAC000-memory.dmp

memory/2528-41-0x00007FF99DB20000-0x00007FF99E5E1000-memory.dmp

memory/4764-43-0x00007FF99DB20000-0x00007FF99E5E1000-memory.dmp

memory/4764-44-0x0000000019F80000-0x0000000019F90000-memory.dmp

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

MD5 f362a73a814b9b2d1dd9ed8ce21d2bb7
SHA1 6dcbe83bc29bcd5e312f0c50e635ff6a0318551b
SHA256 1fea1ccd5eb2cfa5295d7bb3058ba4c36b6b6c71c75101b2950345876f5f7644
SHA512 2462f5ba76004235218d82f90894bdd23c5276eab2b1b595ae6bee86706c79cdcfe3450f4eaa7448d6efeebdcc7c1e31d705e33c0ee80464a3449d8ae1983232

memory/2480-59-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/2480-60-0x0000000005820000-0x0000000005830000-memory.dmp

memory/3256-62-0x0000000074E00000-0x00000000755B0000-memory.dmp

C:\Users\Admin\AppData\Roaming\WSupdate\err_9163782c0b5d4ce59451034f03e0345e.dat

MD5 6a7d51fd7589d75ee976255a033b4063
SHA1 0977b9276083a03e63ad4db6c9b05390f94f3d2e
SHA256 77967d7b00a0f4e92e4de822b1df6caeac23a8c383b16cd5328e56037aadb0a1
SHA512 3e40df3b2dea6f7e3460cfb556d04e795b22fd0fd40ae8508cbbdd2cb34c298870c0fa555e89668fc2b6ebb3fd8aa66718fafba60df859227a7a9ad994084cbb

memory/2480-65-0x0000000006AA0000-0x0000000006AEE000-memory.dmp

memory/4764-66-0x00007FF99DB20000-0x00007FF99E5E1000-memory.dmp

memory/4764-67-0x0000000019F80000-0x0000000019F90000-memory.dmp

memory/2480-69-0x00000000072E0000-0x00000000072F8000-memory.dmp

memory/3388-70-0x0000000074E00000-0x00000000755B0000-memory.dmp

memory/3388-71-0x0000000005200000-0x0000000005210000-memory.dmp

memory/4764-72-0x000000001A3A0000-0x000000001A4AA000-memory.dmp

memory/2480-73-0x0000000007640000-0x0000000007802000-memory.dmp

memory/2480-74-0x0000000007480000-0x0000000007490000-memory.dmp