Malware Analysis Report

2024-12-07 16:17

Sample ID 241113-y3rl2aydmd
Target f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118
SHA256 f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118
Tags
defense_evasion
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

f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118

Threat Level: Shows suspicious behavior

The file f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

defense_evasion

Deletes itself

Indicator Removal: File Deletion

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 20:18

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 20:18

Reported

2024-11-13 20:21

Platform

win7-20240729-en

Max time kernel

122s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118.exe"

Signatures

Deletes itself

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

Indicator Removal: File Deletion

defense_evasion

Processes

C:\Users\Admin\AppData\Local\Temp\f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118.exe

"C:\Users\Admin\AppData\Local\Temp\f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118.exe"

C:\Windows\system32\cmd.exe

cmd.exe /C del "C:\Users\Admin\AppData\Local\Temp\f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118.exe"

Network

N/A

Files

memory/1508-0-0x0000000000400000-0x000000000100C000-memory.dmp

memory/1508-1-0x0000000000400000-0x000000000100C000-memory.dmp

memory/1508-2-0x0000000000400000-0x000000000100C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 20:18

Reported

2024-11-13 20:21

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118.exe"

Signatures

Indicator Removal: File Deletion

defense_evasion

Processes

C:\Users\Admin\AppData\Local\Temp\f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118.exe

"C:\Users\Admin\AppData\Local\Temp\f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118.exe"

C:\Windows\SYSTEM32\cmd.exe

cmd.exe /C del "C:\Users\Admin\AppData\Local\Temp\f91d4ff38f84a7c71517da60f6b81b2bee1e9cb8cc6673575ace3c284e6f2118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 68.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 102.144.22.2.in-addr.arpa udp

Files

memory/4788-0-0x0000000000400000-0x000000000100C000-memory.dmp

memory/4788-1-0x0000000000400000-0x000000000100C000-memory.dmp

memory/4788-2-0x0000000000400000-0x000000000100C000-memory.dmp