Malware Analysis Report

2025-01-03 08:20

Sample ID 240705-ssx36s1bjl
Target 27000663bafb3f68289c2332feabbbb1_JaffaCakes118
SHA256 50c30e379c8bbb67c727ab25813f8de0b8e699ac72557984c0a0d0f20b56766e
Tags
metasploit backdoor trojan upx evasion persistence
score
10/10

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
10/10

SHA256

50c30e379c8bbb67c727ab25813f8de0b8e699ac72557984c0a0d0f20b56766e

Threat Level: Known bad

The file 27000663bafb3f68289c2332feabbbb1_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

metasploit backdoor trojan upx evasion persistence

Modifies firewall policy service

MetaSploit

UPX packed file

Executes dropped EXE

Checks computer location settings

Deletes itself

Adds Run key to start application

Maps connected drives based on registry

Drops file in System32 directory

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Program crash

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-05 15:23

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-05 15:23

Reported

2024-07-05 15:30

Platform

win7-20240704-en

Max time kernel

140s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe"

Signatures

MetaSploit

trojan backdoor metasploit

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
N/A N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2672 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 2672 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 2672 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 2672 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 2672 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 2672 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 2672 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 2672 wrote to memory of 2156 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 2156 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2156 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2156 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe
PID 2156 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 140

Network

N/A

Files

memory/2156-4-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2156-2-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2156-10-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2156-13-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2156-8-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2156-11-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2156-6-0x0000000000400000-0x0000000000464000-memory.dmp

memory/2156-0-0x0000000000400000-0x0000000000464000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-05 15:23

Reported

2024-07-05 15:30

Platform

win10v2004-20240704-en

Max time kernel

148s

Max time network

146s

Command Line

C:\Windows\Explorer.EXE

Signatures

MetaSploit

trojan backdoor metasploit

Modifies firewall policy service

evasion
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications C:\Windows\SysWOW64\igfxhk64.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxhk64.exe = "C:\\Windows\\SysWOW64\\igfxhk64.exe:*:Enabled:Intel Help Console" C:\Windows\SysWOW64\igfxhk64.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List C:\Windows\SysWOW64\igfxhk64.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile C:\Windows\SysWOW64\igfxhk64.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications C:\Windows\SysWOW64\igfxhk64.exe N/A
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\DomainProfile\AuthorizedApplications\List\C:\Windows\SysWOW64\igfxhk64.exe = "C:\\Windows\\SysWOW64\\igfxhk64.exe:*:Enabled:Intel Help Console" C:\Windows\SysWOW64\igfxhk64.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List C:\Windows\SysWOW64\igfxhk64.exe N/A
Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile C:\Windows\SysWOW64\igfxhk64.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-661257284-3186977026-4220467887-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\igfxhk64.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\igfxhk64.exe N/A
N/A N/A C:\Windows\SysWOW64\igfxhk64.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
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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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Intel Help Console = "C:\\Windows\\SysWOW64\\igfxhk64.exe" C:\Windows\SysWOW64\igfxhk64.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\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum C:\Windows\SysWOW64\igfxhk64.exe N/A
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 C:\Windows\SysWOW64\igfxhk64.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\igfxhk64.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe N/A
File created C:\Windows\SysWOW64\igfxhk64.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe N/A
File opened for modification C:\Windows\SysWOW64\ C:\Windows\SysWOW64\igfxhk64.exe N/A
File opened for modification C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\SysWOW64\igfxhk64.exe N/A
File opened for modification C:\Windows\SysWOW64\ C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe N/A

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 640 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 640 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 640 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 640 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 640 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 640 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 640 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 640 wrote to memory of 4660 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
PID 4660 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 4660 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 4660 wrote to memory of 2272 N/A C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 2272 wrote to memory of 1768 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 2272 wrote to memory of 1768 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 2272 wrote to memory of 1768 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 2272 wrote to memory of 1768 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 2272 wrote to memory of 1768 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 2272 wrote to memory of 1768 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 2272 wrote to memory of 1768 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 2272 wrote to memory of 1768 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\SysWOW64\igfxhk64.exe
PID 1768 wrote to memory of 3588 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\Explorer.EXE
PID 1768 wrote to memory of 3588 N/A C:\Windows\SysWOW64\igfxhk64.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe"

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 --field-trial-handle=4100,i,18261153038209191383,10347744459236715365,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:8

C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe"

C:\Windows\SysWOW64\igfxhk64.exe

"C:\Windows\SysWOW64\igfxhk64.exe" C:\Users\Admin\AppData\Local\Temp\270006~1.EXE

C:\Windows\SysWOW64\igfxhk64.exe

"C:\Windows\SysWOW64\igfxhk64.exe" C:\Users\Admin\AppData\Local\Temp\270006~1.EXE

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 nat04-148.level13-c01-as50213.su udp
US 204.11.237.59:80 204.11.237.59 tcp
US 66.128.53.179:80 tcp
US 8.8.8.8:53 59.237.11.204.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/4660-0-0x0000000000400000-0x0000000000464000-memory.dmp

memory/4660-2-0x0000000000400000-0x0000000000464000-memory.dmp

memory/4660-3-0x0000000000400000-0x0000000000464000-memory.dmp

memory/4660-4-0x0000000000400000-0x0000000000464000-memory.dmp

C:\Windows\SysWOW64\igfxhk64.exe

MD5 27000663bafb3f68289c2332feabbbb1
SHA1 68f9adb85a0372067093b939cf6e002c36589e00
SHA256 50c30e379c8bbb67c727ab25813f8de0b8e699ac72557984c0a0d0f20b56766e
SHA512 d180c4a1065bb01f51f0cb938b34175fbc79401731e6dc6072da629768ea43ab365e44585ee7b6ccaf3768ebb56d9af3db24b97390afefb162b728f1a670ba9e

memory/4660-38-0x0000000000400000-0x0000000000464000-memory.dmp

memory/1768-43-0x0000000000400000-0x0000000000464000-memory.dmp

memory/1768-44-0x0000000000400000-0x0000000000464000-memory.dmp

memory/1768-45-0x0000000000400000-0x0000000000464000-memory.dmp

memory/1768-46-0x0000000000400000-0x0000000000464000-memory.dmp

memory/1768-47-0x0000000000400000-0x0000000000464000-memory.dmp

memory/1768-48-0x0000000000400000-0x0000000000464000-memory.dmp

memory/1768-54-0x0000000000400000-0x0000000000464000-memory.dmp