Malware Analysis Report

2025-01-02 02:49

Sample ID 241127-j6pjhsskfp
Target 4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe
SHA256 4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7
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

4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7

Threat Level: Known bad

The file 4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Loads dropped DLL

Executes dropped EXE

Deletes itself

Checks computer location settings

Adds Run key to start application

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-27 08:17

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 08:17

Reported

2024-11-27 08:19

Platform

win7-20241023-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3060 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3060 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3060 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3060 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3060 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3060 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3060 wrote to memory of 2260 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3060 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Windows\SysWOW64\cmd.exe
PID 3060 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Windows\SysWOW64\cmd.exe
PID 3060 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Windows\SysWOW64\cmd.exe
PID 3060 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Windows\SysWOW64\cmd.exe
PID 2828 wrote to memory of 2972 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2828 wrote to memory of 2972 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2828 wrote to memory of 2972 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2828 wrote to memory of 2972 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe

"C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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 6c2ce82670e3acb49f86786472f3025e
SHA1 e1e26d5ae5ea224477c7f6d5d94c2453e9e8d398
SHA256 139e2bfbee2bf4e5cf8b9acf3303702cb390072e71bf620b1b849a57bfa50cce
SHA512 732ba691638dea17c25cf51a18966a935f34fcdef30dc4ca458bb846e643f87183873624cc905e155d9450b2fb32c0211cffeb1e90ab547ff9c46546894e8d6c

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-27 08:17

Reported

2024-11-27 08:19

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe

"C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
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 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 65.139.73.23.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 43.229.111.52.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp

Files

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

MD5 c39ecf3c61b1d7f6a35525c931e9e071
SHA1 04c2b3530e6cc99d3624106d775daa827f607faa
SHA256 94ec998c6d5332180c257a634bbc8cdbc36d1a216085fb84b1ffd51418426d8e
SHA512 8693ab25ae4ce7c1184f4d7120c58a4f950e1720f364ed8bbf781bb8a34c107518e5b6e8c10d45dee9b2525f670199cef71696cfffd7299b862b9a39c85705b3