Malware Analysis Report

2024-09-11 07:34

Sample ID 240613-zf5e2stdmr
Target 255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e
SHA256 255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e
Tags
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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
3/10

SHA256

255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e

Threat Level: Likely benign

The file 255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-13 20:40

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 20:40

Reported

2024-06-13 20:43

Platform

win7-20240220-en

Max time kernel

118s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2912 wrote to memory of 2316 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2912 wrote to memory of 2316 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2912 wrote to memory of 2316 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2912 wrote to memory of 2316 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2912 wrote to memory of 2316 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2912 wrote to memory of 2316 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2912 wrote to memory of 2316 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 20:40

Reported

2024-06-13 20:43

Platform

win10v2004-20240611-en

Max time kernel

121s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2628 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2628 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2628 wrote to memory of 2228 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\255eed0b137d9558ea84c8bdd48d662274e02d743bb674fe1c056653b8fc171e.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 98.251.17.2.in-addr.arpa udp
SE 2.21.96.73:443 www.bing.com tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 73.96.21.2.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 35.15.31.184.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

N/A