Malware Analysis Report

2024-12-07 22:09

Sample ID 221017-ksqp4abdbj
Target 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe
SHA256 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a
Tags
sakula persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a

Threat Level: Known bad

The file 4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula family

Sakula payload

Sakula

Executes dropped EXE

Deletes itself

Checks computer location settings

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-17 08:52

Signatures

Sakula family

sakula

Sakula payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-17 08:52

Reported

2022-10-17 08:54

Platform

win7-20220812-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe"

Signatures

Sakula

trojan rat sakula

Sakula payload

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

Executes dropped EXE

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe N/A

Enumerates physical storage devices

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\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2036 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2036 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2036 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2036 wrote to memory of 1776 N/A C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2036 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe C:\Windows\SysWOW64\cmd.exe
PID 2036 wrote to memory of 1860 N/A C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe C:\Windows\SysWOW64\cmd.exe
PID 1860 wrote to memory of 1144 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1860 wrote to memory of 1144 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1860 wrote to memory of 1144 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1860 wrote to memory of 1144 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe

"C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.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\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.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 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/2036-54-0x0000000075521000-0x0000000075523000-memory.dmp

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

MD5 1479fa6c2fb62155a61d87dae96e700b
SHA1 579ee5d168b2dc8923a838581d928c0923846118
SHA256 f0eabde30a2f4efd02e72310fb901502024c2baa679ffcf5a1598e403a836f38
SHA512 b06926e9ee2ae5d8b9b0eb63ec9f83b87e3cc3b83ddb239d66e6c2c3f17e677aa0244d7082784f67863a825f7f75edaf2f4ed602cd7165f01e23d8a4fee0c422

memory/1776-56-0x0000000000000000-mapping.dmp

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

MD5 1479fa6c2fb62155a61d87dae96e700b
SHA1 579ee5d168b2dc8923a838581d928c0923846118
SHA256 f0eabde30a2f4efd02e72310fb901502024c2baa679ffcf5a1598e403a836f38
SHA512 b06926e9ee2ae5d8b9b0eb63ec9f83b87e3cc3b83ddb239d66e6c2c3f17e677aa0244d7082784f67863a825f7f75edaf2f4ed602cd7165f01e23d8a4fee0c422

memory/1860-59-0x0000000000000000-mapping.dmp

memory/1144-60-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-17 08:52

Reported

2022-10-17 08:54

Platform

win10v2004-20220812-en

Max time kernel

131s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe"

Signatures

Sakula

trojan rat sakula

Sakula payload

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

Executes dropped EXE

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.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\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe N/A

Enumerates physical storage devices

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\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe

"C:\Users\Admin\AppData\Local\Temp\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.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\4fc35728b5af0f8ca841c817941806a6f4eaf790d0be0f66c6e1f103d4c4458a.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 40.125.122.151:443 tcp
NL 104.80.225.205:443 tcp
FR 40.79.150.121:443 tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 164.2.77.40.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 106.89.54.20.in-addr.arpa udp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

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

MD5 74d91f7825c7488885b6a45bdd225033
SHA1 a6a3031c4d57b718c4d90b4f2fe67325ce02ea4a
SHA256 357eaddad3d1487e7aa19d2e83c2f5b1c05b86f67856c9320991b6df206892ac
SHA512 00128ba8014ea9926f63b3013be41e096aef21a686ae03129804a85754446fdb0b35f4d52537f1f72aa03012973616ff0e79d46e4145705bb037442bb553cf69

memory/4856-132-0x0000000000000000-mapping.dmp

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

MD5 74d91f7825c7488885b6a45bdd225033
SHA1 a6a3031c4d57b718c4d90b4f2fe67325ce02ea4a
SHA256 357eaddad3d1487e7aa19d2e83c2f5b1c05b86f67856c9320991b6df206892ac
SHA512 00128ba8014ea9926f63b3013be41e096aef21a686ae03129804a85754446fdb0b35f4d52537f1f72aa03012973616ff0e79d46e4145705bb037442bb553cf69

memory/3628-135-0x0000000000000000-mapping.dmp

memory/2008-136-0x0000000000000000-mapping.dmp