Malware Analysis Report

2025-01-02 02:50

Sample ID 241130-jx239aypdv
Target f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe
SHA256 f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfd
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

f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfd

Threat Level: Known bad

The file f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe 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

Unsigned PE

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-30 08:03

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

2024-11-30 08:03

Reported

2024-11-30 08:05

Platform

win7-20240903-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2096 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2096 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2096 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2096 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2096 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2096 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2096 wrote to memory of 2356 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2096 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Windows\SysWOW64\cmd.exe
PID 2096 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Windows\SysWOW64\cmd.exe
PID 2096 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Windows\SysWOW64\cmd.exe
PID 2096 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 2744 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2808 wrote to memory of 2744 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2808 wrote to memory of 2744 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2808 wrote to memory of 2744 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe

"C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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 2874acda22ddefcb05c8052de7ea0c8e
SHA1 6f9b76b33fa15f358637efb9cdbbfbbee7fafe9c
SHA256 5a89c18e3f83b5c65d122e50e029c6e96bd188ebfb1694777d2f02896ac7b83c
SHA512 cf52636b0015d9535e2800adf1247a169eb31e4108550e628397111163134496c21b6b815e8ce43eb6305637ce2f12bfa04b6c8f8c2fc24292797096b1c07d32

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-30 08:03

Reported

2024-11-30 08:05

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.exe

"C:\Users\Admin\AppData\Local\Temp\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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\f7abf1057a3d880c509ad7c4a151b8d56ca332223825db779f19bd7626699cfdN.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.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 8.8.8.8:53 217.106.137.52.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 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 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 83.210.23.2.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 a281a92037c27c8051b20ab234aeaf33
SHA1 4b1dc25436136de49650b72797521c67084a78ab
SHA256 cb3eaebc810e262823a904fba07913d512d3181735c2df746c15e5f493ec9beb
SHA512 0309eb66c2639a3749ac23a6632b26917cd14b5d7018ffc23cfc25d5c998c2662f271c6f70ea855c0b0907f2d420a13be735b8ab55961ef34b86687fd63da281