Malware Analysis Report

2025-08-05 16:57

Sample ID 250127-zcdg6avnhr
Target JaffaCakes118_4371e0df5cad4758e219aec8c8cc3cc5
SHA256 0ce4e3f50bd0892d5964c4eb35206198ce20655ce0ced5ce1472f30012cb577f
Tags
discovery
score
3/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

0ce4e3f50bd0892d5964c4eb35206198ce20655ce0ced5ce1472f30012cb577f

Threat Level: Likely benign

The file JaffaCakes118_4371e0df5cad4758e219aec8c8cc3cc5 was found to be: Likely benign.

Malicious Activity Summary

discovery

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-27 20:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-27 20:34

Reported

2025-01-27 20:36

Platform

win7-20240903-en

Max time kernel

121s

Max time network

121s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4371e0df5cad4758e219aec8c8cc3cc5.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 2004 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1628 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2004 wrote to memory of 1628 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\JaffaCakes118_4371e0df5cad4758e219aec8c8cc3cc5.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4371e0df5cad4758e219aec8c8cc3cc5.dll,#1

Network

N/A

Files

memory/1628-0-0x0000000000100000-0x000000000010A000-memory.dmp

memory/1628-5-0x0000000010008000-0x000000001001B000-memory.dmp

memory/1628-6-0x0000000000100000-0x000000000010A000-memory.dmp

memory/1628-4-0x0000000000100000-0x000000000010A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-27 20:34

Reported

2025-01-28 02:34

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4371e0df5cad4758e219aec8c8cc3cc5.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 4964 wrote to memory of 3572 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4964 wrote to memory of 3572 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4964 wrote to memory of 3572 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\JaffaCakes118_4371e0df5cad4758e219aec8c8cc3cc5.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4371e0df5cad4758e219aec8c8cc3cc5.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 5.114.82.104.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 96.252.19.2.in-addr.arpa udp
US 8.8.8.8:53 180.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 23.173.189.20.in-addr.arpa udp

Files

memory/3572-0-0x0000000010008000-0x000000001001B000-memory.dmp

memory/3572-2-0x0000000000CE0000-0x0000000000CEA000-memory.dmp