Malware Analysis Report

2025-04-14 01:53

Sample ID 240602-2h63rsaf67
Target 8faca7186e445dcdae65f1cd4fbb408f_JaffaCakes118
SHA256 4bb54561b4ed416f5e4449d777710d7ea514768dd44a1f23221f731bc7067059
Tags
score
3/10

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
3/10

SHA256

4bb54561b4ed416f5e4449d777710d7ea514768dd44a1f23221f731bc7067059

Threat Level: Likely benign

The file 8faca7186e445dcdae65f1cd4fbb408f_JaffaCakes118 was found to be: Likely benign.

Malicious Activity Summary


Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-02 22:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 22:35

Reported

2024-06-02 22:38

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8faca7186e445dcdae65f1cd4fbb408f_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2424 wrote to memory of 2256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2424 wrote to memory of 2256 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\8faca7186e445dcdae65f1cd4fbb408f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8faca7186e445dcdae65f1cd4fbb408f_JaffaCakes118.dll,#1

Network

N/A

Files

memory/2256-0-0x0000000010000000-0x0000000010033000-memory.dmp

memory/2256-2-0x0000000010000000-0x0000000010033000-memory.dmp

memory/2256-4-0x0000000010032000-0x0000000010033000-memory.dmp

memory/2256-3-0x0000000010000000-0x0000000010033000-memory.dmp

memory/2256-1-0x0000000010000000-0x0000000010033000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 22:35

Reported

2024-06-02 22:38

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

95s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8faca7186e445dcdae65f1cd4fbb408f_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3388 wrote to memory of 1488 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3388 wrote to memory of 1488 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3388 wrote to memory of 1488 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\8faca7186e445dcdae65f1cd4fbb408f_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\8faca7186e445dcdae65f1cd4fbb408f_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/1488-0-0x0000000010000000-0x0000000010033000-memory.dmp