Malware Analysis Report

2025-01-02 02:49

Sample ID 241127-fn1maaykgy
Target e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55
SHA256 e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55

Threat Level: Known bad

The file e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55 was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Loads dropped DLL

Checks computer location settings

Deletes itself

Executes dropped EXE

Adds Run key to start application

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-27 05:01

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: behavioral2

Detonation Overview

Submitted

2024-11-27 05:01

Reported

2024-11-27 05:04

Platform

win10v2004-20241007-en

Max time kernel

125s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe

"C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

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 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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 212.20.149.52.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 8.8.8.8:53 172.210.232.199.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 67.209.201.84.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 31.243.111.52.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp

Files

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

MD5 c3fb46d831aa4488e6cabf156f076df3
SHA1 38f515f515255317cb83b3cf2af6541dcd505577
SHA256 6901f696f9a2e6c07310f6da75c213e4624a50cb5c3814e148c7658a1a9be7f2
SHA512 1f2701fc07faff3ff4cc82b2aa93e518180590457db179deb7104ffd032c594047ebbe32dd93d0ece4a230a734f570f1b1953542e135456a3ccac59634d4f38b

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-27 05:01

Reported

2024-11-27 05:04

Platform

win7-20241023-en

Max time kernel

128s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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\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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3032 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3032 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3032 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3032 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3032 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3032 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3032 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3032 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Windows\SysWOW64\cmd.exe
PID 3032 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Windows\SysWOW64\cmd.exe
PID 3032 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Windows\SysWOW64\cmd.exe
PID 3032 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe C:\Windows\SysWOW64\cmd.exe
PID 2296 wrote to memory of 2824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2296 wrote to memory of 2824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2296 wrote to memory of 2824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2296 wrote to memory of 2824 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.exe

"C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55.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 b3f4b7dc49f10f7c2c523dd0c0f45ce2
SHA1 65694372106bbfb43ddaccb8b05697d53ec77b39
SHA256 12d35fa595a21e2ce713ddf874d4542d8e1d4ce25f45414b3b42be61c1682858
SHA512 915e13fd88e28293d83393d7e793801c2677868996e32a4f28df6a28975e42328d75fbd82072759e0cf717f4a954ead99967b6740b7c6ec45d7c290684caa65f