Malware Analysis Report

2024-10-24 17:07

Sample ID 240412-y9p2saeb95
Target 3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf
SHA256 3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf
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

3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf

Threat Level: Known bad

The file 3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf was found to be: Known bad.

Malicious Activity Summary

orcus persistence rat spyware stealer

Orcus

Detects executables packed with ConfuserEx Mod

Detects executables containing common artifacts observed in infostealers

Detects executables manipulated with Fody

Orcurs Rat Executable

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-12 20:29

Signatures

Detects executables packed with ConfuserEx Mod

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

2024-04-12 20:29

Reported

2024-04-12 20:31

Platform

win7-20240221-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe"

Signatures

Orcus

rat spyware stealer orcus

Detects executables containing common artifacts observed in infostealers

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

Detects executables manipulated with Fody

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\Q-dir = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe\" -start" C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1728 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe
PID 1728 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe
PID 1728 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe
PID 1728 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe
PID 1728 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe
PID 1728 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe
PID 1728 wrote to memory of 2816 N/A C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe

Processes

C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe

"C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe"

C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe

"C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe"

Network

N/A

Files

memory/1728-0-0x000007FEF6240000-0x000007FEF6BDD000-memory.dmp

memory/1728-1-0x0000000000390000-0x0000000000410000-memory.dmp

memory/1728-2-0x000007FEF6240000-0x000007FEF6BDD000-memory.dmp

memory/1728-4-0x0000000000390000-0x0000000000410000-memory.dmp

memory/1728-3-0x0000000000390000-0x0000000000410000-memory.dmp

C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe

MD5 95bbd05263acfcefcdc78457bc59c86d
SHA1 0c504d02086041d993ec08d3346531f8b466cd65
SHA256 26199e48d49e465f7055b45d3b9e77dfef73427984821b423a1f7c7fcf79905c
SHA512 d6f8b4dd8288d873fcb6421536fdd7ff602b1e553e9671b77845ca845f8fb9cdaacd7c3bd544d10c0d109a64e2ea36c7c4e90189c613a435e80f29834607ed15

memory/1728-10-0x000000001BDC0000-0x000000001BEA8000-memory.dmp

memory/1728-11-0x0000000000390000-0x0000000000410000-memory.dmp

memory/1728-13-0x000007FEF6240000-0x000007FEF6BDD000-memory.dmp

memory/1728-14-0x0000000000390000-0x0000000000410000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-12 20:29

Reported

2024-04-12 20:31

Platform

win10v2004-20240412-en

Max time kernel

148s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe"

Signatures

Orcus

rat spyware stealer orcus

Detects executables containing common artifacts observed in infostealers

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

Detects executables manipulated with Fody

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Q-dir = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe\" -start" C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe

"C:\Users\Admin\AppData\Local\Temp\3e3330bceb1c4b3839f74c66f6996e5a0d0c729f6a8e2e89bddc38b8604580cf.exe"

C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe

"C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 25.173.189.20.in-addr.arpa udp

Files

memory/4408-1-0x00007FFED1D00000-0x00007FFED26A1000-memory.dmp

memory/4408-0-0x0000000001280000-0x00000000012E2000-memory.dmp

memory/4408-2-0x00007FFED1D00000-0x00007FFED26A1000-memory.dmp

memory/4408-4-0x0000000001160000-0x0000000001170000-memory.dmp

memory/4408-3-0x000000001BA80000-0x000000001BF4E000-memory.dmp

memory/4408-5-0x0000000001160000-0x0000000001170000-memory.dmp

memory/4408-6-0x0000000001160000-0x0000000001170000-memory.dmp

memory/4408-7-0x0000000001160000-0x0000000001170000-memory.dmp

memory/4408-8-0x0000000001160000-0x0000000001170000-memory.dmp

memory/4408-9-0x000000001C630000-0x000000001C702000-memory.dmp

C:\Users\Admin\AppData\Roaming\vhhcxsdhbrf34568v0924b87tr\ ncbxkzvgnrio578435794\3.5.6.7\Q-Dir_Installer_UC.exe

MD5 95bbd05263acfcefcdc78457bc59c86d
SHA1 0c504d02086041d993ec08d3346531f8b466cd65
SHA256 26199e48d49e465f7055b45d3b9e77dfef73427984821b423a1f7c7fcf79905c
SHA512 d6f8b4dd8288d873fcb6421536fdd7ff602b1e553e9671b77845ca845f8fb9cdaacd7c3bd544d10c0d109a64e2ea36c7c4e90189c613a435e80f29834607ed15

memory/4408-20-0x000000001C710000-0x000000001C7F8000-memory.dmp

memory/4408-22-0x00007FFED1D00000-0x00007FFED26A1000-memory.dmp

memory/4408-23-0x0000000001160000-0x0000000001170000-memory.dmp

memory/4408-24-0x0000000001160000-0x0000000001170000-memory.dmp

memory/4408-25-0x0000000001160000-0x0000000001170000-memory.dmp

memory/4408-26-0x0000000001160000-0x0000000001170000-memory.dmp

memory/4408-27-0x0000000001160000-0x0000000001170000-memory.dmp