Malware Analysis Report

2024-12-07 22:04

Sample ID 241118-tke33a1akl
Target 4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe
SHA256 4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b
Tags
upx 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

4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b

Threat Level: Known bad

The file 4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula payload

Sakula family

Sakula

Deletes itself

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 16:06

Signatures

Sakula family

sakula

Sakula payload

Description Indicator Process Target
N/A N/A N/A N/A

UPX packed file

upx
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

2024-11-18 16:06

Reported

2024-11-18 16:09

Platform

win7-20240903-en

Max time kernel

149s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\PING.EXE N/A
N/A N/A C:\Windows\SysWOW64\cmd.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\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 944 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 944 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 944 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 944 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 944 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe C:\Windows\SysWOW64\cmd.exe
PID 944 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe C:\Windows\SysWOW64\cmd.exe
PID 944 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe C:\Windows\SysWOW64\cmd.exe
PID 944 wrote to memory of 2832 N/A C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe C:\Windows\SysWOW64\cmd.exe
PID 2832 wrote to memory of 2836 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2832 wrote to memory of 2836 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2832 wrote to memory of 2836 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2832 wrote to memory of 2836 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe

"C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/944-0-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2856-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/944-6-0x00000000002C0000-0x00000000002E5000-memory.dmp

\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 22f0948d1adead70fc66bebb70010490
SHA1 4b2097b7dcd267164fd3ebfe8f819e7cad5167ac
SHA256 5155d928530a4d52dd51445f7c56e2f7cacafd723c4e26376651c7ef509a735a
SHA512 a725fda309d5c997b996f03627594771a0522807af62cc8be488c105ed7310770307bd4f8637efd81718d10f80f634cbc4b61add63bb1c8154b35c3af321e215

memory/944-8-0x0000000000400000-0x0000000000425000-memory.dmp

memory/944-9-0x00000000002C0000-0x00000000002E5000-memory.dmp

memory/2856-10-0x0000000000400000-0x0000000000425000-memory.dmp

memory/944-11-0x0000000000400000-0x0000000000425000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 16:06

Reported

2024-11-18 16:09

Platform

win10v2004-20241007-en

Max time kernel

129s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe

"C:\Users\Admin\AppData\Local\Temp\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\4dea5bee395813bb10e623fdb4e05949b2846f50c63669b87af206a57bcd538b.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 48.169.248.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/4088-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 d59c803c40800fabe86a36a1f4af3558
SHA1 ebbdd6694b53e18c500857c6cf8b56ba5876db69
SHA256 4bd1512f061f91f494552673e24db5f91d87f2dacb99d6c99d04cb4ca03fe434
SHA512 dd78180dc50cb1e3aab57e19cf539374bcecaa8cf1db10ad194143f05b822f761b45f04400724022b175aecd2c1e5a6e0cccddef8e04210ba88b12a6c556b586

memory/4088-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/4904-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/4088-7-0x0000000000400000-0x0000000000425000-memory.dmp