Malware Analysis Report

2025-03-14 23:42

Sample ID 240407-xa7bcabb9y
Target 0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9
SHA256 0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9
Tags
persistence
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

0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9

Threat Level: Shows suspicious behavior

The file 0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Deletes itself

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 18:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 18:40

Reported

2024-04-07 18:42

Platform

win7-20240221-en

Max time kernel

120s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\windows\SysWOW64\cmd.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Update\wuauclt.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run" C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe

"C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe"

C:\ProgramData\Update\wuauclt.exe

"C:\ProgramData\Update\wuauclt.exe" /run

C:\windows\SysWOW64\cmd.exe

"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe" >> NUL

Network

Country Destination Domain Proto
CA 158.69.115.115:443 tcp

Files

\ProgramData\Update\wuauclt.exe

MD5 ed5b844b25bb0fc9e877e12149d31c77
SHA1 56afd84ce70f0354aa8a36a6c8945c445c317c21
SHA256 daffba0487f86d88db68365a280ffec0f25b349c45fc7d010824bbbabfaeeda3
SHA512 7734c23b82a7c6dc0d0b52a739e183edf149bbd61f4c9e8835657f70251585529445c17711c65cf582ec6d28949edfce10e1dc003af310c3608d6dc1c1ffd793

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 18:40

Reported

2024-04-07 18:42

Platform

win10v2004-20240226-en

Max time kernel

93s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\ProgramData\Update\wuauclt.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run" C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe

"C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe"

C:\ProgramData\Update\wuauclt.exe

"C:\ProgramData\Update\wuauclt.exe" /run

C:\windows\SysWOW64\cmd.exe

"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\0fe829e9348f0f028df59f38a457b83de3e901a4698524c4f98d910e232acdb9.exe" >> NUL

Network

Country Destination Domain Proto
CA 158.69.115.115:443 tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

C:\ProgramData\Update\wuauclt.exe

MD5 9eb2e722d325cc8e675438260a2c5639
SHA1 370e4082bde979cb9e7475e97a5f9c808d4f02d8
SHA256 47273c5b3440df81cab2372788cb7aecab39b4a4bae63a4a56095acd025c5bab
SHA512 2223957f8561e0996f5b2cd0a87452759cd59eab8f23d862e225824b0c09da4ba76c1aac78900f9a5e4f4f9119fafee96de3e374d6e36b93cfbbfd7341ab92cc