Malware Analysis Report

2024-12-07 15:48

Sample ID 241113-xtr1rsxfle
Target file.exe
SHA256 095a2046d9a3aeeefc290dc43793f58ba6ab884a30d1743d04c9b5423234ccdd
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

095a2046d9a3aeeefc290dc43793f58ba6ab884a30d1743d04c9b5423234ccdd

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 19:09

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 19:09

Reported

2024-11-13 19:11

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

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\waib.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 1756 wrote to memory of 3616 N/A C:\Users\Admin\AppData\Local\Temp\file.exe C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
PID 1756 wrote to memory of 3616 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\waib.lnk'); $s.TargetPath = 'C:\Users\Admin\AppData\Local\Temp\file.exe'; $s.Save()"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
BG 87.120.125.16:9891 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 16.125.120.87.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/1756-0-0x0000000000E20000-0x0000000000E21000-memory.dmp

memory/1756-1-0x0000000000400000-0x0000000000CF2000-memory.dmp

memory/1756-4-0x00000000033E0000-0x0000000003785000-memory.dmp

memory/1756-5-0x0000000000400000-0x0000000000CF2000-memory.dmp

memory/1756-3-0x0000000000400000-0x0000000000CF2000-memory.dmp

memory/3616-16-0x00007FF8CF423000-0x00007FF8CF425000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vxp0xhqp.tyz.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/3616-18-0x0000028247770000-0x0000028247792000-memory.dmp

memory/3616-17-0x00007FF8CF420000-0x00007FF8CFEE1000-memory.dmp

memory/3616-28-0x00007FF8CF420000-0x00007FF8CFEE1000-memory.dmp

memory/3616-32-0x00007FF8CF420000-0x00007FF8CFEE1000-memory.dmp

memory/1756-34-0x00000000033E0000-0x0000000003785000-memory.dmp

memory/1756-35-0x0000000000400000-0x0000000000CF2000-memory.dmp

memory/1756-38-0x0000000000400000-0x0000000000CF2000-memory.dmp

memory/1756-41-0x0000000000400000-0x0000000000CF2000-memory.dmp

memory/1756-44-0x0000000000400000-0x0000000000CF2000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 19:09

Reported

2024-11-13 19:11

Platform

win7-20240903-en

Max time kernel

120s

Max time network

121s

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/1620-0-0x0000000000170000-0x0000000000171000-memory.dmp

memory/1620-1-0x0000000000400000-0x0000000000CF2000-memory.dmp

memory/1620-5-0x0000000004180000-0x0000000004525000-memory.dmp

memory/1620-4-0x0000000000400000-0x0000000000CF2000-memory.dmp

memory/1620-3-0x0000000000400000-0x0000000000CF2000-memory.dmp

memory/1620-17-0x0000000004180000-0x0000000004525000-memory.dmp

memory/1620-16-0x0000000000400000-0x0000000000CF2000-memory.dmp