Malware Analysis Report

2024-12-07 22:09

Sample ID 220626-cbvnqaeeh9
Target af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb
SHA256 af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb
Tags
sakula persistence rat suricata 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

af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb

Threat Level: Known bad

The file af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat suricata trojan

Sakula Payload

suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

Sakula

Sakula family

suricata: ET MALWARE SUSPICIOUS UA (iexplore)

Executes dropped EXE

Checks computer location settings

Deletes itself

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-06-26 01:54

Signatures

Sakula Payload

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

Sakula family

sakula

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-26 01:54

Reported

2022-06-26 04:32

Platform

win7-20220414-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.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
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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)

suricata

suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

suricata

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.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\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1096 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1096 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1096 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1096 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1096 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1096 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1096 wrote to memory of 1764 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1096 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Windows\SysWOW64\cmd.exe
PID 1096 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Windows\SysWOW64\cmd.exe
PID 1096 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Windows\SysWOW64\cmd.exe
PID 1096 wrote to memory of 1284 N/A C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe C:\Windows\SysWOW64\cmd.exe
PID 1284 wrote to memory of 796 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1284 wrote to memory of 796 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1284 wrote to memory of 796 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1284 wrote to memory of 796 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe

"C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.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\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.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
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp

Files

memory/1096-54-0x0000000075B71000-0x0000000075B73000-memory.dmp

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

MD5 4e6d39bc282b8fd4e19daba1e28a8356
SHA1 2e8b84229576ee1762902110c39cc3fa1e9c47b2
SHA256 ab195983c7b24bbce1977f85a9a64d01177eb4fda06349e6bc8eaee22c11bbd5
SHA512 c51476e89c36cc83c6300c8ff44ae384ba9a2939857d8dad192d43bff9f64218a49f996b8e1b15adbbb40ee22733db08d5bc904e4e197a609235a062ebdeb7bb

memory/1764-56-0x0000000000000000-mapping.dmp

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

MD5 4e6d39bc282b8fd4e19daba1e28a8356
SHA1 2e8b84229576ee1762902110c39cc3fa1e9c47b2
SHA256 ab195983c7b24bbce1977f85a9a64d01177eb4fda06349e6bc8eaee22c11bbd5
SHA512 c51476e89c36cc83c6300c8ff44ae384ba9a2939857d8dad192d43bff9f64218a49f996b8e1b15adbbb40ee22733db08d5bc904e4e197a609235a062ebdeb7bb

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

MD5 4e6d39bc282b8fd4e19daba1e28a8356
SHA1 2e8b84229576ee1762902110c39cc3fa1e9c47b2
SHA256 ab195983c7b24bbce1977f85a9a64d01177eb4fda06349e6bc8eaee22c11bbd5
SHA512 c51476e89c36cc83c6300c8ff44ae384ba9a2939857d8dad192d43bff9f64218a49f996b8e1b15adbbb40ee22733db08d5bc904e4e197a609235a062ebdeb7bb

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

MD5 4e6d39bc282b8fd4e19daba1e28a8356
SHA1 2e8b84229576ee1762902110c39cc3fa1e9c47b2
SHA256 ab195983c7b24bbce1977f85a9a64d01177eb4fda06349e6bc8eaee22c11bbd5
SHA512 c51476e89c36cc83c6300c8ff44ae384ba9a2939857d8dad192d43bff9f64218a49f996b8e1b15adbbb40ee22733db08d5bc904e4e197a609235a062ebdeb7bb

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

MD5 4e6d39bc282b8fd4e19daba1e28a8356
SHA1 2e8b84229576ee1762902110c39cc3fa1e9c47b2
SHA256 ab195983c7b24bbce1977f85a9a64d01177eb4fda06349e6bc8eaee22c11bbd5
SHA512 c51476e89c36cc83c6300c8ff44ae384ba9a2939857d8dad192d43bff9f64218a49f996b8e1b15adbbb40ee22733db08d5bc904e4e197a609235a062ebdeb7bb

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

MD5 4e6d39bc282b8fd4e19daba1e28a8356
SHA1 2e8b84229576ee1762902110c39cc3fa1e9c47b2
SHA256 ab195983c7b24bbce1977f85a9a64d01177eb4fda06349e6bc8eaee22c11bbd5
SHA512 c51476e89c36cc83c6300c8ff44ae384ba9a2939857d8dad192d43bff9f64218a49f996b8e1b15adbbb40ee22733db08d5bc904e4e197a609235a062ebdeb7bb

memory/1284-63-0x0000000000000000-mapping.dmp

memory/796-64-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-26 01:54

Reported

2022-06-26 04:33

Platform

win10v2004-20220414-en

Max time kernel

151s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.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

suricata: ET MALWARE SUSPICIOUS UA (iexplore)

suricata

suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

suricata

Executes dropped EXE

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.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\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.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\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.exe

"C:\Users\Admin\AppData\Local\Temp\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.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\af6c0a194927e589cd5b99c54cd6b7f287aee2944fdf4e11e734242719a05deb.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
BE 35.205.61.67:80 www.savmpet.com tcp
US 52.109.8.20:443 tcp
US 8.253.135.241:80 tcp
BE 35.205.61.67:80 www.savmpet.com tcp
US 20.189.173.12:443 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
NL 178.79.208.1:80 tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp

Files

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

MD5 4eed3b95370b7ead3bda4c7fc8e72bbf
SHA1 d237764ff2af3a6cf71e85fd8ee74bff43eed143
SHA256 7c7b7d2528d2e2b0af62e145a34314681ca295395c334e84c9f09a1e9cf9f174
SHA512 90ebb12635f57af070b1c0c0b49827564d0efe28972225a0fe8d3b79b6fc4e79a82f6ded5c94f2628f9116d561806683471fec7ffba323a59bed9de898309113

memory/1272-130-0x0000000000000000-mapping.dmp

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

MD5 4eed3b95370b7ead3bda4c7fc8e72bbf
SHA1 d237764ff2af3a6cf71e85fd8ee74bff43eed143
SHA256 7c7b7d2528d2e2b0af62e145a34314681ca295395c334e84c9f09a1e9cf9f174
SHA512 90ebb12635f57af070b1c0c0b49827564d0efe28972225a0fe8d3b79b6fc4e79a82f6ded5c94f2628f9116d561806683471fec7ffba323a59bed9de898309113

memory/4496-133-0x0000000000000000-mapping.dmp

memory/456-134-0x0000000000000000-mapping.dmp