Malware Analysis Report

2025-01-02 02:50

Sample ID 241124-q16zyaylhq
Target 5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe
SHA256 5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e
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

5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e

Threat Level: Known bad

The file 5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Deletes itself

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

Unsigned PE

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-24 13:44

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 13:44

Reported

2024-11-24 13:46

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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\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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3004 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3004 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3004 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3004 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3004 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3004 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3004 wrote to memory of 3060 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3004 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Windows\SysWOW64\cmd.exe
PID 3004 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Windows\SysWOW64\cmd.exe
PID 3004 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Windows\SysWOW64\cmd.exe
PID 3004 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe C:\Windows\SysWOW64\cmd.exe
PID 2316 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2316 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2316 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2316 wrote to memory of 2628 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe

"C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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

Files

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

MD5 25f3054d58484bb5040ec6339bc59645
SHA1 ef2bf9f6bb7b6ee5a930657fdfdea021b1f60681
SHA256 7f235b2303eee79745023809e8be8b713f187367c48fa14f38adc4b03aff4d98
SHA512 177cf64f53c49009476d889a5506c04030076d0f4e1fd5e8458204b719a7d0e0aa8e4b764e885b81b23b10a5500187268548295d90a639a81be3b3d3583b2418

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-24 13:44

Reported

2024-11-24 13:46

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.exe

"C:\Users\Admin\AppData\Local\Temp\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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\5b0384d28a1fac07ef494979892a4f0057053545d8ea2d47bdc957e5c3f48c5e.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 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.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 74.32.126.40.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 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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 24.125.209.23.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
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp

Files

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

MD5 c5ba60cd4bd6a7d413ea4d5056aa2fa4
SHA1 2a6cdc0043c6a34e36e4eef7532063eb913cb2ba
SHA256 76c29188381ed1d4fbeb7652b6dc4fbb8dabaefbe9a941a31183d4407b9b752b
SHA512 e811ee16829dac962371b4f2842d9a94ac28a3ba042ad51df44bd1997f0bd397a8595b88dcbd190301777dcb5d99bf995438784cdde00f60b6afe0ddfb370067