Malware Analysis Report

2024-12-07 15:55

Sample ID 241113-r35qbsxkgk
Target file.exe
SHA256 b1d59f9b27f8ecf5aee1a29e6bde8adfbe411b199f5ed043c48d7bf04e540eda
Tags
execution
score
7/10

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
7/10

SHA256

b1d59f9b27f8ecf5aee1a29e6bde8adfbe411b199f5ed043c48d7bf04e540eda

Threat Level: Shows suspicious behavior

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

Malicious Activity Summary

execution

Drops startup file

Command and Scripting Interpreter: PowerShell

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 14:44

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 14:44

Reported

2024-11-13 14:46

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

141s

Command Line

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

Signatures

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ovrf.lnk C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1480 wrote to memory of 1656 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1480 wrote to memory of 1656 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

Processes

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

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

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

powershell -Command "$ws = New-Object -ComObject WScript.Shell; $s = $ws.CreateShortcut('C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ovrf.lnk'); $s.TargetPath = 'C:\Users\Admin\AppData\Local\Temp\file.exe'; $s.Save()"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 102.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
BG 87.120.125.16:9890 tcp
US 8.8.8.8:53 16.125.120.87.in-addr.arpa udp
US 8.8.8.8:53 232.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.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

memory/1480-0-0x0000000000E60000-0x0000000000E61000-memory.dmp

memory/1480-2-0x0000000000E60000-0x0000000000E61000-memory.dmp

memory/1480-1-0x0000000000400000-0x0000000000CED000-memory.dmp

memory/1480-4-0x0000000000400000-0x0000000000CED000-memory.dmp

memory/1480-6-0x0000000000400000-0x0000000000CED000-memory.dmp

memory/1480-5-0x0000000003350000-0x00000000036F0000-memory.dmp

memory/1656-17-0x00007FFA46BD3000-0x00007FFA46BD5000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xxs5afnx.v30.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1656-27-0x0000020B436A0000-0x0000020B436C2000-memory.dmp

memory/1656-28-0x00007FFA46BD0000-0x00007FFA47691000-memory.dmp

memory/1656-29-0x00007FFA46BD0000-0x00007FFA47691000-memory.dmp

memory/1656-33-0x00007FFA46BD0000-0x00007FFA47691000-memory.dmp

memory/1480-35-0x0000000003350000-0x00000000036F0000-memory.dmp

memory/1480-36-0x0000000000400000-0x0000000000CED000-memory.dmp

memory/1480-39-0x0000000000400000-0x0000000000CED000-memory.dmp

memory/1480-42-0x0000000000400000-0x0000000000CED000-memory.dmp

memory/1480-45-0x0000000000400000-0x0000000000CED000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 14:44

Reported

2024-11-13 14:46

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

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

Signatures

N/A

Processes

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

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

Network

N/A

Files

memory/2644-0-0x00000000002D0000-0x00000000002D1000-memory.dmp

memory/2644-1-0x0000000000400000-0x0000000000CED000-memory.dmp

memory/2644-3-0x0000000000400000-0x0000000000CED000-memory.dmp

memory/2644-5-0x0000000004320000-0x00000000046C0000-memory.dmp

memory/2644-4-0x0000000000400000-0x0000000000CED000-memory.dmp

memory/2644-17-0x0000000004320000-0x00000000046C0000-memory.dmp

memory/2644-16-0x0000000000400000-0x0000000000CED000-memory.dmp