Malware Analysis Report

2025-03-14 22:29

Sample ID 240407-xw2mzsbh61
Target e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118
SHA256 66ad1b1b4a90fa1dec7af26959acfb6e495d02bbb6702b76f8c66e2db364f086
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

66ad1b1b4a90fa1dec7af26959acfb6e495d02bbb6702b76f8c66e2db364f086

Threat Level: Shows suspicious behavior

The file e5a85d475a6b7669a0b5bbb6c2c5078a_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

Unsigned PE

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-04-07 19:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-07 19:13

Reported

2024-04-07 19:15

Platform

win7-20240221-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_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\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon13.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Windows\bugMAKER.bat

Network

N/A

Files

C:\Windows\bugMAKER.bat

MD5 7ce16b0f965141cddaca15afbd73b41b
SHA1 75da432c90ee25280575fe9d62aed270426e9e53
SHA256 6abf38ba210897ee83730a0d11c3528ad9e40e182cc0902d95b0df899c53782f
SHA512 cb630f61be34e39bee98153931876b39678d09c8dd29e464d590912e3db92694827289cd033109f241993aae2c1cf2cedf1d5755abeaab1a15d667251d5d5bb9

memory/2576-62-0x00000000024D0000-0x00000000024D1000-memory.dmp

memory/1048-67-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-07 19:13

Reported

2024-04-07 19:15

Platform

win10v2004-20240226-en

Max time kernel

92s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\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\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_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\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e5a85d475a6b7669a0b5bbb6c2c5078a_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 130.118.77.104.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 52.111.229.43:443 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

C:\Windows\bugMAKER.bat

MD5 7ce16b0f965141cddaca15afbd73b41b
SHA1 75da432c90ee25280575fe9d62aed270426e9e53
SHA256 6abf38ba210897ee83730a0d11c3528ad9e40e182cc0902d95b0df899c53782f
SHA512 cb630f61be34e39bee98153931876b39678d09c8dd29e464d590912e3db92694827289cd033109f241993aae2c1cf2cedf1d5755abeaab1a15d667251d5d5bb9

memory/396-24-0x0000000000400000-0x000000000042D000-memory.dmp