Malware Analysis Report

2024-12-07 22:05

Sample ID 241116-b46e9axdng
Target 53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe
SHA256 53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598
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

53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598

Threat Level: Known bad

The file 53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Deletes itself

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

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-16 01:42

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

2024-11-16 01:42

Reported

2024-11-16 01:45

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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

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\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe

"C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.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 f99fb68295da24f7f8c7c13e8afd7f8b
SHA1 cba9751c38d4ff954214ad70a430c435d3f692f8
SHA256 05131853e83be373deae5b6fe1305c28432e6ab23df41969a3029cb00327ed15
SHA512 1fc1533de3b1b8fbf304e872084e28be86ab6b2d1fa73866ee36a1655fb9eb6c5bc1139d7401ec7b548cda32c7d62a047b439a79d074da7e632a6cf9d94e18e0

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-16 01:42

Reported

2024-11-16 01:45

Platform

win7-20240903-en

Max time kernel

96s

Max time network

101s

Command Line

"C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1932 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1932 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Windows\SysWOW64\cmd.exe
PID 1932 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Windows\SysWOW64\cmd.exe
PID 1932 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Windows\SysWOW64\cmd.exe
PID 1932 wrote to memory of 2796 N/A C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe C:\Windows\SysWOW64\cmd.exe
PID 2796 wrote to memory of 1632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2796 wrote to memory of 1632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2796 wrote to memory of 1632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2796 wrote to memory of 1632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.exe

"C:\Users\Admin\AppData\Local\Temp\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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\53b51b604df96818c12ed33e757aa7577a25ac80b1a1d54d7163193d40368598.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

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

MD5 11e415b44c409644d518e2a75db6924c
SHA1 63f2009021601166d0a21551fe7322239b95093d
SHA256 7a8b8cc727dd5f64294f5fa0ccd24dec24c959e7b0424cefcc2154868aee50c0
SHA512 5d7976098dc8225a88c99155829664c16b3cb2afd21ef131d77d2f952167d493fb3fb3b8472239cd2412b79e217c7551d331c5b7c3b18025d43c54e914074b49