Malware Analysis Report

2025-01-02 02:49

Sample ID 241125-1cekwstphr
Target 3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c
SHA256 3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c

Threat Level: Known bad

The file 3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula payload

Sakula

Deletes itself

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-25 21:29

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: behavioral2

Detonation Overview

Submitted

2024-11-25 21:29

Reported

2024-11-25 21:32

Platform

win10v2004-20241007-en

Max time kernel

126s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe

"C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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 8.8.8.8:53 8.8.8.8.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 8.8.8.8:53 21.236.111.52.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

Files

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

MD5 bd56bb35a7eb876af13e1b30ca90f031
SHA1 ba52e5e42ac54d900720d6410671a35d49e14f43
SHA256 99f1c480b9261a51057209aa2d8e0349f9b9c1443c4cfeb429b34cae99c6442b
SHA512 b6276cd570d78880473db67491fb641b8a0e4b5f64d76601141d76cae7c1835e9253afbc2951c3c8f630c93616dbf76baba5016182907a8b894a3a3b1798f58d

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-25 21:29

Reported

2024-11-25 21:32

Platform

win7-20241023-en

Max time kernel

128s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1776 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1776 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Windows\SysWOW64\cmd.exe
PID 1776 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Windows\SysWOW64\cmd.exe
PID 1776 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Windows\SysWOW64\cmd.exe
PID 1776 wrote to memory of 2460 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Windows\SysWOW64\cmd.exe
PID 2460 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2460 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2460 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2460 wrote to memory of 2916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe

"C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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 d57334cdce28db7c27fcbac6f82cc7b8
SHA1 4f3afd74fdce33dd8084bdf847b4e79a09e211b4
SHA256 b311be6d5e79300065143c9ad17f33e0b328c7026293c37448732cc95e7f11d4
SHA512 ab5808caaa2d2bdf640b4ba171815794c2686ff36fbbd52c0c1baa85264ef89c7007270386e278478a9f842f04d5406ddbd0d624d6cc2a8fb2c5915e36601cb0