Malware Analysis Report

2025-01-02 02:50

Sample ID 241203-yr68caxjcp
Target a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe
SHA256 a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b
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

a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b

Threat Level: Known bad

The file a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Deletes itself

Adds Run key to start application

System Location Discovery: System Language Discovery

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-03 20:02

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

2024-12-03 20:02

Reported

2024-12-03 20:04

Platform

win7-20240903-en

Max time kernel

117s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.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\MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
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\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2364 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2364 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2364 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2364 wrote to memory of 2096 N/A C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2364 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe C:\Windows\SysWOW64\cmd.exe
PID 2364 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe C:\Windows\SysWOW64\cmd.exe
PID 2364 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe C:\Windows\SysWOW64\cmd.exe
PID 2364 wrote to memory of 2920 N/A C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe C:\Windows\SysWOW64\cmd.exe
PID 2920 wrote to memory of 2776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2920 wrote to memory of 2776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2920 wrote to memory of 2776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2920 wrote to memory of 2776 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe

"C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

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

MD5 214f00f19ad7040ace2fed0f83e4390d
SHA1 b6e244983624ee36d2f301cf23c417dd5f5b32a3
SHA256 ea0d36c85c7b07f3b37940dad5702252cb04bc79740cdc09c98af9cf4826edd0
SHA512 462aa6f72754c969119a1ae53108b8c5fff6272a7ad6c1db4563885066799a9e5711eddf817722b30b1a1f63290facccc531d06a50d6fb2336c16f1480950d6e

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-03 20:02

Reported

2024-12-03 20:04

Platform

win10v2004-20241007-en

Max time kernel

98s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.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\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe

"C:\Users\Admin\AppData\Local\Temp\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\a1609ac64c824718ee1464c8ee66e24d6167a27c94054185b4595350ab5ee86b.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 146.54.223.76.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 103.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

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

MD5 11a186041007342d7138a236a414a9c6
SHA1 e660489247211beee2f048b0eeabf6383a1271dc
SHA256 1ba67f749dfe2008e6495a26231250265ea904c1626dc7cfbe2283aa3d2d7941
SHA512 5710a304818b1edf69a388786e5962ed6528e5c665622035a1a6f9f7af7161d0921ad935f291a7dbe12516945626ffff24ad96fec0a9d7373171c8a42862e446