Malware Analysis Report

2025-08-11 01:07

Sample ID 240404-qwgt9ahb7x
Target b9ae27830417093159a1543a15b24a31_JaffaCakes118
SHA256 71139bc58c5e0e4fdec43b6f1952ec8262dc01b7617f6656f098c099cff66b86
Tags
persistence
score
7/10

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
7/10

SHA256

71139bc58c5e0e4fdec43b6f1952ec8262dc01b7617f6656f098c099cff66b86

Threat Level: Shows suspicious behavior

The file b9ae27830417093159a1543a15b24a31_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

persistence

Checks computer location settings

Adds Run key to start application

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-04 13:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 13:36

Reported

2024-04-04 13:39

Platform

win7-20240221-en

Max time kernel

122s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe"

Signatures

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon13.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Windows\bugMAKER.bat

Network

N/A

Files

C:\Windows\bugMAKER.bat

MD5 08f0c10a45d849d6ce8954108542fd7b
SHA1 a0868f9d5c75dd8ec03799079dc75fab618c8507
SHA256 c6b339069488ebf9f900900f62c17afcfeb3a8fee0a45e61bf000dbdee9a6ac8
SHA512 a2974a430d945f5d8cac5d46d42ab5502a7823327425efe9673aa2d1056c059d7625e89f4aace9f231579d999d8b2e0d190ee22d72c16914f1072a395c851fa7

memory/2584-62-0x0000000002180000-0x0000000002181000-memory.dmp

memory/2200-67-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 13:36

Reported

2024-04-04 13:39

Platform

win10v2004-20240319-en

Max time kernel

145s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation C:\Windows\SysWOW64\cmd.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Microsoft I Service = "C:\\Windows\\winhash_up.exe /REGstart" C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

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

Processes

C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat

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 --mojo-platform-channel-handle=4072 --field-trial-handle=2260,i,4762972005863767630,9297428255150568035,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 167.161.23.2.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
NL 142.251.39.110:443 tcp
NL 142.250.179.138:443 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 9.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 216.58.204.74:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 74.204.58.216.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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 8.8.8.8:53 138.201.86.20.in-addr.arpa udp

Files

C:\Windows\bugMAKER.bat

MD5 08f0c10a45d849d6ce8954108542fd7b
SHA1 a0868f9d5c75dd8ec03799079dc75fab618c8507
SHA256 c6b339069488ebf9f900900f62c17afcfeb3a8fee0a45e61bf000dbdee9a6ac8
SHA512 a2974a430d945f5d8cac5d46d42ab5502a7823327425efe9673aa2d1056c059d7625e89f4aace9f231579d999d8b2e0d190ee22d72c16914f1072a395c851fa7

memory/1084-24-0x0000000000400000-0x000000000042D000-memory.dmp