Malware Analysis Report

2024-11-13 18:43

Sample ID 241107-249qsayrbt
Target 5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b
SHA256 5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b
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

5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b

Threat Level: Known bad

The file 5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Deletes itself

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 23:09

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

2024-11-07 23:09

Reported

2024-11-07 23:11

Platform

win7-20240903-en

Max time kernel

127s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2376 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2376 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2376 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2376 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2376 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2376 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2376 wrote to memory of 2896 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2376 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Windows\SysWOW64\cmd.exe
PID 2376 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Windows\SysWOW64\cmd.exe
PID 2376 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Windows\SysWOW64\cmd.exe
PID 2376 wrote to memory of 2704 N/A C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe C:\Windows\SysWOW64\cmd.exe
PID 2704 wrote to memory of 2788 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2704 wrote to memory of 2788 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2704 wrote to memory of 2788 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2704 wrote to memory of 2788 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe

"C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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 397dec78dd1e801f873d68c4df5adad9
SHA1 a9f1e68787425448452d81a0c3da0b88a1f25fa7
SHA256 3982f690372649787e7ef27f1204141c66ed52bb4d687154a4eb7af0779276b4
SHA512 4cca1d765b8fbef11304cad76b61212a4ff371b4f94cc4cc718f111507cd8f93c1c919045a4f50e377a19cd6fd92286d728e53c3ef5b443963ce127c7c301f04

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 23:09

Reported

2024-11-07 23:11

Platform

win10v2004-20241007-en

Max time kernel

125s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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\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\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.exe

"C:\Users\Admin\AppData\Local\Temp\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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\5720914a218b6d712394c74081e7265450d83bd5747928fd3c1b182675afab5b.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 13.86.106.20.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 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.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
US 8.8.8.8:53 43.229.111.52.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 5950c32e2b287faae9ea84b1fa34248a
SHA1 d5fb8270579cbe337844f5323d5f9e35f2b2749b
SHA256 ca67db5b1432c68d376621cb4bebdb7490a65be2b910f81573923fb4fa8f4032
SHA512 b2b5f1c0a30b534d1ff8e4c4ea29e8f75d59ca91a2156e80ed328273e46055f81edde1c783055ab0c705e20195f776a86b322b86a5778d320147ae4990fe26b5