Malware Analysis Report

2025-03-15 05:48

Sample ID 240623-29lwxa1bqp
Target 03ea9bd61bae13b700c07a0275814f19_JaffaCakes118
SHA256 c403280e02e9233a750d1cc5f84164b1caed72ff639835f11d1e9c8d17541f14
Tags
aspackv2
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

c403280e02e9233a750d1cc5f84164b1caed72ff639835f11d1e9c8d17541f14

Threat Level: Shows suspicious behavior

The file 03ea9bd61bae13b700c07a0275814f19_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

aspackv2

ASPack v2.12-2.42

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-23 23:16

Signatures

ASPack v2.12-2.42

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-23 23:16

Reported

2024-06-23 23:19

Platform

win7-20240611-en

Max time kernel

118s

Max time network

118s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\03ea9bd61bae13b700c07a0275814f19_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2024 wrote to memory of 2848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 2848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 2848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 2848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 2848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 2848 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2024 wrote to memory of 2848 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\03ea9bd61bae13b700c07a0275814f19_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\03ea9bd61bae13b700c07a0275814f19_JaffaCakes118.dll,#1

Network

N/A

Files

memory/2848-1-0x0000000010000000-0x0000000010044000-memory.dmp

memory/2848-2-0x0000000010000000-0x0000000010044000-memory.dmp

memory/2848-0-0x0000000010000000-0x0000000010044000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-23 23:16

Reported

2024-06-23 23:19

Platform

win10v2004-20240611-en

Max time kernel

141s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\03ea9bd61bae13b700c07a0275814f19_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 220 wrote to memory of 4908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 220 wrote to memory of 4908 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 220 wrote to memory of 4908 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\03ea9bd61bae13b700c07a0275814f19_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\03ea9bd61bae13b700c07a0275814f19_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 80.90.14.23.in-addr.arpa udp
US 13.107.21.237:443 g.bing.com tcp
BE 88.221.83.234:443 www.bing.com tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 234.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp

Files

memory/4908-0-0x0000000010000000-0x0000000010044000-memory.dmp