Malware Analysis Report

2025-03-14 22:32

Sample ID 240407-xswbssbg7s
Target e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118
SHA256 d2ca80ab95a1c7cb6c08ea4bc9e05afc1e0c1b54d9fc74f1814539b3ac498d3a
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

d2ca80ab95a1c7cb6c08ea4bc9e05afc1e0c1b54d9fc74f1814539b3ac498d3a

Threat Level: Shows suspicious behavior

The file e5a5973ce722f3441dcc1be356992ee0_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

2024-04-07 19:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 19:07

Reported

2024-04-07 19:10

Platform

win7-20240215-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_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\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon13.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Windows\bugMAKER.bat

Network

N/A

Files

C:\Windows\bugMAKER.bat

MD5 f439972cdcdd66cfcc73dc6afed8b5bf
SHA1 117d115ae5124e49342900cc985b161ee7bf6103
SHA256 1113ff913b83d97e817e432b6504cb0e7d7c24e24390bfa8fbfc278bdd77b13d
SHA512 fe1bc05949b37a65041c61c8debf4ce66266425ec3d429fb33b9c0ef92db5e5a358c4ca42cea4e80e4a75002285b2e6bdf726d3121de7aa827fb0c81622147ce

memory/2536-62-0x0000000002530000-0x0000000002531000-memory.dmp

memory/2900-67-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 19:07

Reported

2024-04-07 19:10

Platform

win10v2004-20231215-en

Max time kernel

91s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_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\e5a5973ce722f3441dcc1be356992ee0_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\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_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\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e5a5973ce722f3441dcc1be356992ee0_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 159.113.53.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

C:\Windows\bugMAKER.bat

MD5 f439972cdcdd66cfcc73dc6afed8b5bf
SHA1 117d115ae5124e49342900cc985b161ee7bf6103
SHA256 1113ff913b83d97e817e432b6504cb0e7d7c24e24390bfa8fbfc278bdd77b13d
SHA512 fe1bc05949b37a65041c61c8debf4ce66266425ec3d429fb33b9c0ef92db5e5a358c4ca42cea4e80e4a75002285b2e6bdf726d3121de7aa827fb0c81622147ce

memory/4228-24-0x0000000000400000-0x000000000042D000-memory.dmp