Malware Analysis Report

2025-08-10 20:54

Sample ID 240825-hqpc5ssenp
Target c0304df8e78158b358dad2cb8d615635_JaffaCakes118
SHA256 e10972dd503fb2eb215eb4f5319d11f2c12514121016fe75c3eb4aa39264ef30
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

e10972dd503fb2eb215eb4f5319d11f2c12514121016fe75c3eb4aa39264ef30

Threat Level: Likely benign

The file c0304df8e78158b358dad2cb8d615635_JaffaCakes118 was found to be: Likely benign.

Malicious Activity Summary

discovery

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 06:56

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 06:56

Reported

2024-08-25 06:59

Platform

win10v2004-20240802-en

Max time kernel

134s

Max time network

127s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\Rundll32.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Rundll32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3384 wrote to memory of 5064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3384 wrote to memory of 5064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 3384 wrote to memory of 5064 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 5064 wrote to memory of 4356 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe
PID 5064 wrote to memory of 4356 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe
PID 5064 wrote to memory of 4356 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll

C:\Windows\SysWOW64\Rundll32.exe

C:\Windows\system32\Rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll,DllUnregisterServer

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4448,i,1330210614411927383,9239043499051775691,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:8

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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 198.111.78.13.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-25 06:56

Reported

2024-08-25 06:59

Platform

win7-20240704-en

Max time kernel

118s

Max time network

118s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\regsvr32.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\Rundll32.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Rundll32.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\Rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2028 wrote to memory of 2416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2028 wrote to memory of 2416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2028 wrote to memory of 2416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2028 wrote to memory of 2416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2028 wrote to memory of 2416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2028 wrote to memory of 2416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2028 wrote to memory of 2416 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2416 wrote to memory of 2396 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe
PID 2416 wrote to memory of 2396 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe
PID 2416 wrote to memory of 2396 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe
PID 2416 wrote to memory of 2396 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe
PID 2416 wrote to memory of 2396 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe
PID 2416 wrote to memory of 2396 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe
PID 2416 wrote to memory of 2396 N/A C:\Windows\SysWOW64\regsvr32.exe C:\Windows\SysWOW64\Rundll32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll

C:\Windows\SysWOW64\Rundll32.exe

C:\Windows\system32\Rundll32.exe C:\Users\Admin\AppData\Local\Temp\c0304df8e78158b358dad2cb8d615635_JaffaCakes118.dll,DllUnregisterServer

Network

N/A

Files

N/A