Malware Analysis Report

2025-04-13 22:08

Sample ID 240825-lvyn6axglc
Target c07a8e9b4e9827768587313f585759fd_JaffaCakes118
SHA256 cbb59bc8df8c0ee41dc12cc68fd259f3fdce9c2b873bcc540924d8b75c3ed14a
Tags
discovery
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
3/10

SHA256

cbb59bc8df8c0ee41dc12cc68fd259f3fdce9c2b873bcc540924d8b75c3ed14a

Threat Level: Likely benign

The file c07a8e9b4e9827768587313f585759fd_JaffaCakes118 was found to be: Likely benign.

Malicious Activity Summary

discovery

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 09:51

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 09:51

Reported

2024-08-25 09:54

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c07a8e9b4e9827768587313f585759fd_JaffaCakes118.dll,#1

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3368 wrote to memory of 2556 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3368 wrote to memory of 2556 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3368 wrote to memory of 2556 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\c07a8e9b4e9827768587313f585759fd_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c07a8e9b4e9827768587313f585759fd_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp

Files

memory/2556-0-0x0000000000A20000-0x0000000000A7F000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-25 09:51

Reported

2024-08-25 09:54

Platform

win7-20240729-en

Max time kernel

120s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c07a8e9b4e9827768587313f585759fd_JaffaCakes118.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c07a8e9b4e9827768587313f585759fd_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\c07a8e9b4e9827768587313f585759fd_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2088 -s 388

Network

N/A

Files

memory/2088-0-0x0000000000220000-0x000000000027F000-memory.dmp