Malware Analysis Report

2025-01-18 12:49

Sample ID 240613-1v24xa1hra
Target SKMT390028.exe
SHA256 06eff0b0dc021ab79b61bc72aff871df18c73bc518b9a7116124f86828ea630c
Tags
score
7/10

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
7/10

SHA256

06eff0b0dc021ab79b61bc72aff871df18c73bc518b9a7116124f86828ea630c

Threat Level: Shows suspicious behavior

The file SKMT390028.exe was found to be: Shows suspicious behavior.

Malicious Activity Summary


Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 21:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 21:59

Reported

2024-06-13 22:01

Platform

win7-20240611-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe"

Signatures

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe

"C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe"

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\xepm.vbe"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\RarSFX0\xepm.vbe

MD5 33501205e81570bb9df5c3958d002638
SHA1 01c26d2b651680acc4b7d6a04064b7a8e514cb4a
SHA256 86b89a4e4ac35f94ed0335d811a5876497762d52a5be99b27b73c9d8d8d097cc
SHA512 abe4bef198a6e803ef591cb19c7773ef5c1bca8049366e5b6acf5701121f307e59fd8279bc1e7fc93d12352a9112ff27a846a8219cfd2fb4a5c16b5556d2f3c9

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 21:59

Reported

2024-06-13 22:01

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2116 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe C:\Windows\SysWOW64\WScript.exe
PID 2116 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe C:\Windows\SysWOW64\WScript.exe
PID 2116 wrote to memory of 4744 N/A C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe C:\Windows\SysWOW64\WScript.exe

Processes

C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe

"C:\Users\Admin\AppData\Local\Temp\SKMT390028.exe"

C:\Windows\SysWOW64\WScript.exe

"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\xepm.vbe"

Network

Files

C:\Users\Admin\AppData\Local\Temp\RarSFX0\xepm.vbe

MD5 33501205e81570bb9df5c3958d002638
SHA1 01c26d2b651680acc4b7d6a04064b7a8e514cb4a
SHA256 86b89a4e4ac35f94ed0335d811a5876497762d52a5be99b27b73c9d8d8d097cc
SHA512 abe4bef198a6e803ef591cb19c7773ef5c1bca8049366e5b6acf5701121f307e59fd8279bc1e7fc93d12352a9112ff27a846a8219cfd2fb4a5c16b5556d2f3c9