Malware Analysis Report

2025-03-14 22:36

Sample ID 240406-scvywadd83
Target e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118
SHA256 1e12ba55ef5e3bbbe4320c28e56d54364e7869b5b49a5e11716c87ed1d5b9865
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

1e12ba55ef5e3bbbe4320c28e56d54364e7869b5b49a5e11716c87ed1d5b9865

Threat Level: Shows suspicious behavior

The file e2cbab7e0b27ce9f7515e84101b81b76_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

2024-04-06 14:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-06 14:59

Reported

2024-04-06 15:01

Platform

win7-20240221-en

Max time kernel

117s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_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\e2cbab7e0b27ce9f7515e84101b81b76_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\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon13.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c C:\Windows\bugMAKER.bat

Network

N/A

Files

C:\Windows\bugMAKER.bat

MD5 db767a1fcefe29d49d2af4e92dbcd31c
SHA1 cb87d2ae931ef06bb4778437041d2fe01b3d3b29
SHA256 841556a8865359b0b66978b80c9c72c5e35d5ed71b7388c5ed6991c96a08da21
SHA512 83557001e922d79732f93a664c15835eadb43a37ee98c89cd06ab49f1fc42a8e5dc2b2834fa26718ab762301313b680b144bd71b70d8b0dd882234196497ca0d

memory/2684-62-0x00000000006C0000-0x00000000006C1000-memory.dmp

memory/2484-67-0x0000000000400000-0x000000000042D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-06 14:59

Reported

2024-04-06 15:01

Platform

win10v2004-20240226-en

Max time kernel

93s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\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\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon2.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon3.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon5.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exez C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\winhash_up.exe C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon6.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon7.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon10.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon12.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\SHARE_TEMP\Icon14.ico C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe N/A
File created C:\Windows\bugMAKER.bat C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_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\e2cbab7e0b27ce9f7515e84101b81b76_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e2cbab7e0b27ce9f7515e84101b81b76_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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

C:\Windows\bugMAKER.bat

MD5 db767a1fcefe29d49d2af4e92dbcd31c
SHA1 cb87d2ae931ef06bb4778437041d2fe01b3d3b29
SHA256 841556a8865359b0b66978b80c9c72c5e35d5ed71b7388c5ed6991c96a08da21
SHA512 83557001e922d79732f93a664c15835eadb43a37ee98c89cd06ab49f1fc42a8e5dc2b2834fa26718ab762301313b680b144bd71b70d8b0dd882234196497ca0d

memory/1744-24-0x0000000000400000-0x000000000042D000-memory.dmp