Malware Analysis Report

2025-04-14 02:35

Sample ID 240603-ml4z9acf95
Target 91763cf38a8073c3ed2a87511fcc2437_JaffaCakes118
SHA256 6f2dea10fd2fcf3afe314bd480f07c08f4ffbf211c1cc5c8634d598f4da26da3
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

6f2dea10fd2fcf3afe314bd480f07c08f4ffbf211c1cc5c8634d598f4da26da3

Threat Level: Likely benign

The file 91763cf38a8073c3ed2a87511fcc2437_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

2024-06-03 10:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 10:34

Reported

2024-06-03 10:36

Platform

win7-20240215-en

Max time kernel

118s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91763cf38a8073c3ed2a87511fcc2437_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2352 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2352 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2352 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2352 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2352 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2352 wrote to memory of 2356 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2352 wrote to memory of 2356 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\91763cf38a8073c3ed2a87511fcc2437_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91763cf38a8073c3ed2a87511fcc2437_JaffaCakes118.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 10:34

Reported

2024-06-03 10:36

Platform

win10v2004-20240508-en

Max time kernel

132s

Max time network

127s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91763cf38a8073c3ed2a87511fcc2437_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5112 wrote to memory of 4732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5112 wrote to memory of 4732 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 5112 wrote to memory of 4732 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\91763cf38a8073c3ed2a87511fcc2437_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\91763cf38a8073c3ed2a87511fcc2437_JaffaCakes118.dll,#1

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 --no-appcompat-clear --field-trial-handle=3444,i,11266875042087428226,16669718873272757238,262144 --variations-seed-version --mojo-platform-channel-handle=4088 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
NL 23.62.61.57:443 www.bing.com tcp
US 8.8.8.8:53 57.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

N/A