Malware Analysis Report

2025-01-02 02:49

Sample ID 241127-hs54nsspe1
Target 9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe
SHA256 9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fde
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

9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fde

Threat Level: Known bad

The file 9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula

Sakula family

Sakula payload

Deletes itself

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

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

2024-11-27 07:00

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

2024-11-27 07:00

Reported

2024-11-27 07:03

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2104 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2104 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2104 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2104 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2104 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2104 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2104 wrote to memory of 2996 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2104 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Windows\SysWOW64\cmd.exe
PID 2104 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Windows\SysWOW64\cmd.exe
PID 2104 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Windows\SysWOW64\cmd.exe
PID 2104 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe C:\Windows\SysWOW64\cmd.exe
PID 2568 wrote to memory of 2760 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2568 wrote to memory of 2760 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2568 wrote to memory of 2760 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2568 wrote to memory of 2760 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe

"C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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 bd6dc924f68db76bbe769fe8e0e9349d
SHA1 c2e562038a70875eb22cc67ecd4c3bf82d32817a
SHA256 9cf5210ed987cd8d538c787b433274dc17b55328417676813bdd59ca572a893a
SHA512 65c92f9fdafeb590f7068671d4bff4bf135449c031cc53b6c84552b1740cea8021ebb1f04e512d54ae250e5e10d7ef0dd24ff299b5c07d136d39371beeaffe72

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-27 07:00

Reported

2024-11-27 07:03

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.exe

"C:\Users\Admin\AppData\Local\Temp\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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\9ff52bd293458a8cd21cde8436fe5294fdde0d91696f00c81d4f3bb746408fdeN.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 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.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 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 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 94bdf1447e326113337bfa63c0d529d7
SHA1 8a4b6a9bb3fb561dc04b53ffd7e124fc8ea3df1a
SHA256 c2878601981a682aa0a04b823145f84959d0e3ca41bc39d77b997a7582b5df43
SHA512 5e10877fae1ea5f9c5be8220cfd804ef6e28f3a91aca0cc2244ce5351719a7827ab354187bd0d744fbda016e8085a5255c65ded6699669e0ea058ca377cfb9c4