Malware Analysis Report

2025-03-15 05:47

Sample ID 240624-ajvbtatbrq
Target 053b72a01004f2fd49db001d78112213_JaffaCakes118
SHA256 cb04301132868a6a63930325802123913fd820fdbeced196ee6ee933248c5810
Tags
aspackv2 upx
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

cb04301132868a6a63930325802123913fd820fdbeced196ee6ee933248c5810

Threat Level: Shows suspicious behavior

The file 053b72a01004f2fd49db001d78112213_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2 upx

ASPack v2.12-2.42

UPX packed file

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-24 00:14

Signatures

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-24 00:14

Reported

2024-06-24 00:17

Platform

win7-20240221-en

Max time kernel

121s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\053b72a01004f2fd49db001d78112213_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1888 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1888 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1888 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1888 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1888 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1888 wrote to memory of 2196 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1888 wrote to memory of 2196 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\053b72a01004f2fd49db001d78112213_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\053b72a01004f2fd49db001d78112213_JaffaCakes118.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-24 00:14

Reported

2024-06-24 00:17

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\053b72a01004f2fd49db001d78112213_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4536 wrote to memory of 3716 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4536 wrote to memory of 3716 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4536 wrote to memory of 3716 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\053b72a01004f2fd49db001d78112213_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\053b72a01004f2fd49db001d78112213_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

N/A