Malware Analysis Report

2024-12-07 22:07

Sample ID 220327-mm35cagee7
Target a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e
SHA256 a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e
Tags
sakula persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e

Threat Level: Known bad

The file a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula family

Sakula

Sakula Payload

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Deletes itself

Adds Run key to start application

Enumerates physical storage devices

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-03-27 10:35

Signatures

Sakula Payload

Description Indicator Process Target
N/A N/A N/A N/A

Sakula family

sakula

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-27 10:35

Reported

2022-04-03 17:38

Platform

win7-20220331-en

Max time kernel

156s

Max time network

187s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe"

Signatures

Sakula

trojan rat sakula

Sakula Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe N/A

Enumerates physical storage devices

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\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2004 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2004 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2004 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2004 wrote to memory of 1748 N/A C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2004 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe C:\Windows\SysWOW64\cmd.exe
PID 2004 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe C:\Windows\SysWOW64\cmd.exe
PID 2004 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe C:\Windows\SysWOW64\cmd.exe
PID 2004 wrote to memory of 1820 N/A C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe C:\Windows\SysWOW64\cmd.exe
PID 1820 wrote to memory of 1644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1820 wrote to memory of 1644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1820 wrote to memory of 1644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1820 wrote to memory of 1644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe

"C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.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\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.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 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/2004-54-0x00000000755F1000-0x00000000755F3000-memory.dmp

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

MD5 a99341a7ee9a2d27de5d19238e36500f
SHA1 a9fda9f4702d27c92e54acb4c63023b620980eb7
SHA256 3f3adabb10ba5dad6a4b1469f01bd52c39411f7073056f839d8bce50c2c56c8c
SHA512 7b2e32a8640515f6dc0f83b85e843ab7b36833b76a02aad029d65b855ce74c1735cdc47e3496cfcd7194798176a564f897b3e957aed58db4b5d07894ebbf3d75

memory/1748-56-0x0000000000000000-mapping.dmp

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

MD5 a99341a7ee9a2d27de5d19238e36500f
SHA1 a9fda9f4702d27c92e54acb4c63023b620980eb7
SHA256 3f3adabb10ba5dad6a4b1469f01bd52c39411f7073056f839d8bce50c2c56c8c
SHA512 7b2e32a8640515f6dc0f83b85e843ab7b36833b76a02aad029d65b855ce74c1735cdc47e3496cfcd7194798176a564f897b3e957aed58db4b5d07894ebbf3d75

memory/1820-59-0x0000000000000000-mapping.dmp

memory/1644-60-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-27 10:35

Reported

2022-04-03 17:38

Platform

win10v2004-20220331-en

Max time kernel

160s

Max time network

182s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe"

Signatures

Sakula

trojan rat sakula

Sakula Payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.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\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe N/A

Enumerates physical storage devices

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\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe

"C:\Users\Admin\AppData\Local\Temp\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.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\a1fee89b08c2efed52dc1869e371d19c10813b9d64b9d48d53ab46475f08aa6e.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 20.189.173.15:443 tcp
FI 62.115.252.81:80 tcp
FI 62.115.252.81:80 tcp
FI 62.115.252.81:80 tcp
US 8.8.8.8:53 www.polarroute.com udp
US 204.79.197.203:80 tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/1824-124-0x0000000000000000-mapping.dmp

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

MD5 559d54cbde2f953ad5bdaf36a3b02660
SHA1 28f359c2b6c97b8a978990fc1f11ebc2c1e8388a
SHA256 3be5c83e65c254da3d2eee1e02b4f9d075970f0ebe2457aed5c3586c55924786
SHA512 b8890880dc50e8127b9366034c05f525b199b130918e10a09326f0e3b1ed73bfbbd76c92721cc60b21e182919c72eb5a46f1b539c3988acdc728cc294a5f2812

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

MD5 559d54cbde2f953ad5bdaf36a3b02660
SHA1 28f359c2b6c97b8a978990fc1f11ebc2c1e8388a
SHA256 3be5c83e65c254da3d2eee1e02b4f9d075970f0ebe2457aed5c3586c55924786
SHA512 b8890880dc50e8127b9366034c05f525b199b130918e10a09326f0e3b1ed73bfbbd76c92721cc60b21e182919c72eb5a46f1b539c3988acdc728cc294a5f2812

memory/3884-127-0x0000000000000000-mapping.dmp

memory/4872-128-0x0000000000000000-mapping.dmp