Malware Analysis Report

2025-08-10 12:13

Sample ID 240527-xt6txsff94
Target 7a3438a342dc6e27679b6e60811a4045_JaffaCakes118
SHA256 20295ccd8f25d0c23fdbd76d081af02c84af34147afd5c127fe694e8af4441df
Tags
upx discovery
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

20295ccd8f25d0c23fdbd76d081af02c84af34147afd5c127fe694e8af4441df

Threat Level: Shows suspicious behavior

The file 7a3438a342dc6e27679b6e60811a4045_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

upx discovery

UPX packed file

Checks BIOS information in registry

Checks installed software on the system

Maps connected drives based on registry

Program crash

Suspicious use of SetWindowsHookEx

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-27 19:09

Signatures

UPX packed file

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 19:09

Reported

2024-05-27 19:12

Platform

win7-20240220-en

Max time kernel

118s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a3438a342dc6e27679b6e60811a4045_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\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe N/A

UPX packed file

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

Checks installed software on the system

discovery

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\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.magnotstop.com udp
US 8.8.8.8:53 ssl.google-analytics.com udp
FR 142.250.178.136:443 ssl.google-analytics.com tcp
FR 142.250.178.136:443 ssl.google-analytics.com tcp

Files

memory/2080-0-0x0000000000400000-0x00000000005CC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab15F2.tmp

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

memory/2080-37-0x0000000000400000-0x00000000005CC000-memory.dmp

memory/2080-38-0x0000000000400000-0x00000000005CC000-memory.dmp

memory/2080-39-0x0000000000400000-0x00000000005CC000-memory.dmp

memory/2080-40-0x0000000000400000-0x00000000005CC000-memory.dmp

memory/2080-41-0x0000000000400000-0x00000000005CC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 19:09

Reported

2024-05-27 19:12

Platform

win10v2004-20240508-en

Max time kernel

93s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7a3438a342dc6e27679b6e60811a4045_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\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe N/A

UPX packed file

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

Checks installed software on the system

discovery

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\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7a3438a342dc6e27679b6e60811a4045_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4292 -ip 4292

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4292 -ip 4292

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 1784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4292 -s 2568

Network

Country Destination Domain Proto
US 8.8.8.8:53 ssl.google-analytics.com udp
US 8.8.8.8:53 api.magnotstop.com udp
FR 142.250.178.136:443 ssl.google-analytics.com tcp
FR 142.250.178.136:443 ssl.google-analytics.com tcp
US 8.8.8.8:53 136.178.250.142.in-addr.arpa udp
US 8.8.8.8:53 144.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 163.214.58.216.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 107.211.222.173.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4292-0-0x0000000000400000-0x00000000005CC000-memory.dmp

memory/4292-15-0x0000000000400000-0x00000000005CC000-memory.dmp