Malware Analysis Report

2025-08-05 20:57

Sample ID 240404-v71hysed62
Target be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118
SHA256 9e6d9aebaeaa9e1e73278d21c41123d9375dcc13ddac6cc1890565154286d200
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

9e6d9aebaeaa9e1e73278d21c41123d9375dcc13ddac6cc1890565154286d200

Threat Level: Shows suspicious behavior

The file be87d1bd96e0d13553a5da7041dcaea3_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 17:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-04 17:38

Reported

2024-04-04 17:41

Platform

win7-20240221-en

Max time kernel

117s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_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\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon13.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Windows\bugMAKER.bat

Network

N/A

Files

C:\Windows\bugMAKER.bat

MD5 8eed65dea83c26e2af4cb22f330a1a9f
SHA1 1ffbf3e4ee5697814e9c535a8803385b63fe9e33
SHA256 991868c043ccf82adedba5cccb602e6b41625d8abc9fd393fac2256c97c37a3c
SHA512 d888b88b94129545a6497fc23f8bab9be6203dd265ea4de8a6374d28035605929376809330d0730747437a98789737adc96b731321b9d8e2d1bddeb56b25bd18

memory/2732-62-0x0000000000460000-0x0000000000461000-memory.dmp

memory/2940-67-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-04 17:38

Reported

2024-04-04 17:41

Platform

win10v2004-20231215-en

Max time kernel

144s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_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\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\be87d1bd96e0d13553a5da7041dcaea3_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 99.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 41.110.86.104.in-addr.arpa udp
US 8.8.8.8:53 57.162.23.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 227.66.18.2.in-addr.arpa udp
US 8.8.8.8:53 30.73.42.20.in-addr.arpa udp

Files

C:\Windows\bugMAKER.bat

MD5 8eed65dea83c26e2af4cb22f330a1a9f
SHA1 1ffbf3e4ee5697814e9c535a8803385b63fe9e33
SHA256 991868c043ccf82adedba5cccb602e6b41625d8abc9fd393fac2256c97c37a3c
SHA512 d888b88b94129545a6497fc23f8bab9be6203dd265ea4de8a6374d28035605929376809330d0730747437a98789737adc96b731321b9d8e2d1bddeb56b25bd18

memory/2312-24-0x0000000000400000-0x000000000042D000-memory.dmp