Malware Analysis Report

2025-01-02 02:49

Sample ID 241124-wj5nfaxqhp
Target 964f180662ce84da76847d3c9a0517a0_JaffaCakes118
SHA256 12c8af74df86accab04627e4dc2594a606fcdccaa5b55a988ac9f0aa37c2fa7b
Tags
sakula discovery persistence rat trojan
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

12c8af74df86accab04627e4dc2594a606fcdccaa5b55a988ac9f0aa37c2fa7b

Threat Level: Known bad

The file 964f180662ce84da76847d3c9a0517a0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula family

Sakula

Executes dropped EXE

Deletes itself

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-24 17:58

Signatures

Sakula family

sakula

Sakula payload

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-24 17:58

Reported

2024-11-24 18:00

Platform

win7-20240903-en

Max time kernel

128s

Max time network

129s

Command Line

"C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

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

Deletes itself

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1836 wrote to memory of 1812 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1836 wrote to memory of 1812 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1836 wrote to memory of 1812 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1836 wrote to memory of 1812 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1836 wrote to memory of 1812 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1836 wrote to memory of 1812 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1836 wrote to memory of 1812 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1836 wrote to memory of 488 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1836 wrote to memory of 488 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1836 wrote to memory of 488 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 1836 wrote to memory of 488 N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe C:\Windows\SysWOW64\cmd.exe
PID 488 wrote to memory of 2776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 488 wrote to memory of 2776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 488 wrote to memory of 2776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 488 wrote to memory of 2776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.savmpet.com udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp

Files

\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

MD5 7aeb263ef99bf1c8fb1210a9933b4a70
SHA1 91dbdcfb37c90b5d1c3439bccb55f1b3d2caf364
SHA256 9d092ddbda3c17e156024c8aacd5f630fdcdb1f70a424f09e905ec97c069f657
SHA512 9791f52c3346d0cb1e2df171a91bec22e4a894e8671de4cb638fa0d088222894207839c9470a32ace11fe5c87b69b245fb103292bc8b7567e5f601ab5a102002

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-24 17:58

Reported

2024-11-24 18:00

Platform

win10v2004-20241007-en

Max time kernel

129s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\964f180662ce84da76847d3c9a0517a0_JaffaCakes118.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.savmpet.com udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp

Files

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe

MD5 033b0338d9083fdfbfa0b84e0500f680
SHA1 d475c3f64ced2f620b13aa04e604e4e2e016854e
SHA256 83677e9423d3e6e5a2cb0bafef21e58278e79540a5014476c67414744e65b8ed
SHA512 4e35786254e8cc42cb73b5a5e6cb7ca77a39aeb33644f5f1511514273858116b551bf4a76aaee0b70546438aa3b3f6c6356a279451e4209d2f7dc861684cab7d