Malware Analysis Report

2024-11-13 18:21

Sample ID 241002-yk4hwaxcne
Target dontrun.exe
SHA256 4a1ed7a206b3c4aa83b3c38f9a8f68cb5b875702afdb240b7b307616519bd0e9
Tags
pyinstaller adware antivm apt upx backdoor banker bootkit botnet clipper collection crypter discovery downloader dropper evasion exploit exploiter doomrat
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

4a1ed7a206b3c4aa83b3c38f9a8f68cb5b875702afdb240b7b307616519bd0e9

Threat Level: Known bad

The file dontrun.exe was found to be: Known bad.

Malicious Activity Summary

pyinstaller adware antivm apt upx backdoor banker bootkit botnet clipper collection crypter discovery downloader dropper evasion exploit exploiter doomrat

DoomRat

Doomrat family

Unsigned PE

Enumerates physical storage devices

Detects Pyinstaller

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-02 19:51

Signatures

DoomRat

adware antivm apt upx backdoor banker bootkit botnet clipper collection crypter discovery downloader dropper evasion exploit exploiter
Description Indicator Process Target
N/A N/A N/A N/A

Doomrat family

doomrat

Detects Pyinstaller

pyinstaller
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

2024-10-02 19:51

Reported

2024-10-02 19:52

Platform

win10v2004-20240802-en

Max time kernel

2s

Max time network

4s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\dontrun.pyc

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000_Classes\Local Settings C:\Windows\system32\OpenWith.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\system32\OpenWith.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\dontrun.pyc

C:\Windows\system32\OpenWith.exe

C:\Windows\system32\OpenWith.exe -Embedding

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-02 19:51

Reported

2024-10-02 19:52

Platform

win7-20240903-en

Max time kernel

0s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\dontrun.pyc

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings C:\Windows\system32\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1984 wrote to memory of 3064 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 1984 wrote to memory of 3064 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe
PID 1984 wrote to memory of 3064 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\rundll32.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\dontrun.pyc

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\dontrun.pyc

Network

N/A

Files

N/A