Malware Analysis Report

2025-01-18 02:18

Sample ID 240613-jzhgmavajm
Target a48cfef0f5c95921418424b865f24a12_JaffaCakes118
SHA256 4cdd50d258f759d35b6b81f5f9fb6a6d1064b15c596bb68569b5e4037da3bdf9
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

4cdd50d258f759d35b6b81f5f9fb6a6d1064b15c596bb68569b5e4037da3bdf9

Threat Level: Shows suspicious behavior

The file a48cfef0f5c95921418424b865f24a12_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary


Checks BIOS information in registry

Loads dropped DLL

Maps connected drives based on registry

Suspicious use of SetThreadContext

Program crash

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-13 08:06

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-13 08:06

Reported

2024-06-13 08:08

Platform

win7-20240611-en

Max time kernel

141s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_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\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_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\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Internet Explorer\Main C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2436 wrote to memory of 2344 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 2344 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2344 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2344 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2344 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe" Track="0001000000"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2344 -s 1380

Network

Country Destination Domain Proto
US 8.8.8.8:53 opmzbxq9dqus0drsd5.k5d6pm5.com udp

Files

memory/2436-1-0x0000000000230000-0x0000000000233000-memory.dmp

memory/2436-0-0x0000000000400000-0x000000000051C000-memory.dmp

memory/2344-3-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-7-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-5-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-11-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-23-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-22-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2436-21-0x0000000000400000-0x000000000051C000-memory.dmp

memory/2436-20-0x0000000000230000-0x0000000000233000-memory.dmp

memory/2344-17-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2344-13-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-9-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-24-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-25-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-26-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-27-0x0000000000400000-0x0000000000522000-memory.dmp

memory/2344-28-0x0000000000400000-0x0000000000522000-memory.dmp

\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe

MD5 a48cfef0f5c95921418424b865f24a12
SHA1 44f891bab714d96801560d9b026b33b7b45140e3
SHA256 4cdd50d258f759d35b6b81f5f9fb6a6d1064b15c596bb68569b5e4037da3bdf9
SHA512 d718bdf715f14218af3ca2078c49f7ad10a98ef4c1bbf12361140b6f20c35de10482809f600894d23ef7658a5641248b92592e1a46f09608dfdc6e4e7e2eb191

memory/2344-37-0x0000000000400000-0x0000000000522000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-13 08:06

Reported

2024-06-13 08:08

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_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\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_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\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe
PID 4888 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\a48cfef0f5c95921418424b865f24a12_JaffaCakes118.exe" Track="0001000000"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4408,i,3724086843943218842,1026644135694712596,262144 --variations-seed-version --mojo-platform-channel-handle=3740 /prefetch:8

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1728 -ip 1728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1728 -ip 1728

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 2080

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 2028

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 opmzbxq9dqus0drsd5.k5d6pm5.com udp

Files

memory/4888-0-0x0000000000400000-0x000000000051C000-memory.dmp

memory/4888-1-0x00000000007A0000-0x00000000007A3000-memory.dmp

memory/1728-3-0x0000000000400000-0x0000000000522000-memory.dmp

memory/1728-4-0x0000000000400000-0x0000000000522000-memory.dmp

memory/4888-8-0x00000000007A0000-0x00000000007A3000-memory.dmp

memory/4888-7-0x0000000000400000-0x000000000051C000-memory.dmp

memory/1728-6-0x0000000000400000-0x0000000000522000-memory.dmp

memory/1728-9-0x0000000000400000-0x0000000000522000-memory.dmp

memory/1728-10-0x0000000000400000-0x0000000000522000-memory.dmp

memory/1728-11-0x0000000000400000-0x0000000000522000-memory.dmp

memory/1728-12-0x0000000000400000-0x0000000000522000-memory.dmp

memory/1728-13-0x0000000000400000-0x0000000000522000-memory.dmp

memory/1728-17-0x0000000000400000-0x0000000000522000-memory.dmp