Malware Analysis Report

2025-01-17 21:37

Sample ID 240603-qchbnsfd6z
Target 91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118
SHA256 e1e64a7772ed55a212a38cc6516006a36f7987b92f77b7c8634b35613554d221
Tags
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

e1e64a7772ed55a212a38cc6516006a36f7987b92f77b7c8634b35613554d221

Threat Level: Shows suspicious behavior

The file 91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary


Checks BIOS information in registry

Maps connected drives based on registry

Suspicious use of SetThreadContext

Program crash

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-03 13:06

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-03 13:06

Reported

2024-06-03 13:09

Platform

win7-20240508-en

Max time kernel

140s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 1792 wrote to memory of 2004 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe" Track="0001000000"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 1412

Network

Country Destination Domain Proto
US 8.8.8.8:53 grmcqe0ld.f5usp00wmh.com udp

Files

memory/2004-0-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-10-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-6-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-4-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-16-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-17-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-14-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2004-9-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-2-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-18-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-19-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-20-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-21-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-22-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-24-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-25-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-26-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-27-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-28-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-29-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-30-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-31-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-32-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-33-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-34-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-35-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-36-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2004-37-0x0000000000400000-0x0000000000522000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-03 13:06

Reported

2024-06-03 13:09

Platform

win10v2004-20240426-en

Max time kernel

92s

Max time network

93s

Command Line

"C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe"

Signatures

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe N/A

Maps connected drives based on registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe
PID 3968 wrote to memory of 2584 N/A C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\91e3fc02019112422fc31f4f9cd9e824_JaffaCakes118.exe" Track="0001000000"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2584 -ip 2584

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2584 -ip 2584

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 2080

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2584 -s 2044

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 jburuhx1loxa4r.f5usp00wmh.com udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 152.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 2.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.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 11.227.111.52.in-addr.arpa udp

Files

memory/2584-1-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2584-2-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2584-0-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2584-3-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2584-4-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2584-5-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2584-6-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2584-10-0x0000000000400000-0x0000000000522000-memory.dmp