Malware Analysis Report

2024-12-07 22:04

Sample ID 241118-dj43ssxcpm
Target 9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510
SHA256 9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510
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

9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510

Threat Level: Known bad

The file 9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510 was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Deletes itself

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 03:03

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

2024-11-18 03:03

Reported

2024-11-18 03:05

Platform

win7-20240903-en

Max time kernel

128s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 340 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 340 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 340 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 340 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 340 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 340 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 340 wrote to memory of 1292 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 340 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Windows\SysWOW64\cmd.exe
PID 340 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Windows\SysWOW64\cmd.exe
PID 340 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Windows\SysWOW64\cmd.exe
PID 340 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe C:\Windows\SysWOW64\cmd.exe
PID 2744 wrote to memory of 1108 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2744 wrote to memory of 1108 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2744 wrote to memory of 1108 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2744 wrote to memory of 1108 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe

"C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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 4f66e8d4d8032d5cc56e9d91e4ffa97f
SHA1 aa55d3f9444b036c08fd5c3dab3644115177512d
SHA256 350e9d01300d07cc92253ceba3b8b9cf4104a9e582caa38aa98d4823a8a52699
SHA512 e983fd61096e7c476828d2fafe7f60cbd4c0144a2c00c0332086dfed30d364d48c1b465a6903908561b623c464b20043ae2f3fd6d6825ed3e78961b09a3adc40

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 03:03

Reported

2024-11-18 03:06

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe

"C:\Users\Admin\AppData\Local\Temp\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.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\9b120bf844a297fc61c84d028d55ec0adc3e0cc0ac018769c6f702fe7400a510.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.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 8.8.8.8:53 134.71.91.104.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 14.227.111.52.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
US 52.34.198.229:80 www.savmpet.com tcp

Files

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

MD5 e5b9621687fb260acb1da2d58c0c2611
SHA1 976139429c5ec848bbf96e632678eb7267f753ba
SHA256 f5852d81f4973f4ad7167bddb1295a3f76833979d30cfb31e68420b98ac09d6b
SHA512 dcd95784782e28f9162f8cf6a896d6bba15e0ceae4570748e34eba33cde4755ac91f0c9e85cbb9fcdcba55348d98962a4cb39c23877628825abcc19be826c0eb