Malware Analysis Report

2025-01-02 02:50

Sample ID 241129-s3flwaxpbk
Target f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe
SHA256 f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9
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

f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9

Threat Level: Known bad

The file f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Checks computer location settings

Executes dropped EXE

Deletes itself

Loads dropped DLL

Adds Run key to start application

Unsigned PE

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

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

2024-11-29 15:38

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

2024-11-29 15:38

Reported

2024-11-29 15:40

Platform

win7-20240903-en

Max time kernel

97s

Max time network

99s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1820 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1820 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1820 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1820 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1820 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1820 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1820 wrote to memory of 2848 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1820 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Windows\SysWOW64\cmd.exe
PID 1820 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Windows\SysWOW64\cmd.exe
PID 1820 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Windows\SysWOW64\cmd.exe
PID 1820 wrote to memory of 2644 N/A C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe C:\Windows\SysWOW64\cmd.exe
PID 2644 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2644 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2644 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2644 wrote to memory of 2804 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe

"C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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 fb7f90abafa64e5e0f20fbda2fbdd79e
SHA1 c8de040048417132f2f83853520cca76b0dc3597
SHA256 36b18b41a97834b58d5aae6d29f75249795dbd85fdb4346ac8024b763c8d0327
SHA512 8f83227f353cf72f0d123668f3bdfb5e9b41b7d5b8a6c28ba813ad7749b834d886885df0f3504888c72abbe6a6477ff79df922bed59865705fce85badce4c6fb

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-29 15:38

Reported

2024-11-29 15:40

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.exe

"C:\Users\Admin\AppData\Local\Temp\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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\f12259d4479b5f31161757e003b22e7bcba32e2dea9f3ef0fbde3b3d69feb1f9N.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.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 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 232.135.221.88.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

Files

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

MD5 645080f06de5f3e6f1a05ce2a1203d15
SHA1 55495215a61f9c06d649dc0c7b5c174ba31e4ef8
SHA256 d26fa33c67d493ed86f381872b1178f432138b8112c5e12f081ab18ca9e45043
SHA512 b68ed752c060a5811746dabfc621d83393e7f8adf447b2906970c830de5eceb196bf39b0869387276b716b30169739721d0a8da1411b5d7284e653f44447656c