Malware Analysis Report

2024-12-07 22:10

Sample ID 221012-tg3d7aaefr
Target 4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769
SHA256 4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769
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

4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769

Threat Level: Known bad

The file 4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769 was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula family

Sakula payload

Sakula

Executes dropped EXE

Checks computer location settings

Deletes itself

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-12 16:02

Signatures

Sakula family

sakula

Sakula payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-12 16:02

Reported

2022-10-12 16:06

Platform

win7-20220901-en

Max time kernel

108s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.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

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\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.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\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1880 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1880 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1880 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1880 wrote to memory of 1948 N/A C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1880 wrote to memory of 996 N/A C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe C:\Windows\SysWOW64\cmd.exe
PID 1880 wrote to memory of 996 N/A C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe C:\Windows\SysWOW64\cmd.exe
PID 1880 wrote to memory of 996 N/A C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe C:\Windows\SysWOW64\cmd.exe
PID 1880 wrote to memory of 996 N/A C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe C:\Windows\SysWOW64\cmd.exe
PID 996 wrote to memory of 1056 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 996 wrote to memory of 1056 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 996 wrote to memory of 1056 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 996 wrote to memory of 1056 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe

"C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.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\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
TH 184.22.175.13:80 tcp

Files

memory/1880-54-0x0000000075D71000-0x0000000075D73000-memory.dmp

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

MD5 093edb3847d3a60e691c5e75c475310e
SHA1 91f69cf74ee673a9e6114321221027824205e1b7
SHA256 165820600f19e887fb83504a7048bca631840af29847a5438eb291506f95266e
SHA512 b3c66af7fec9600b0514c5d478b7fb46c899ddd57ff665822473f95701ae1ad6b99b03faef487c1f40dc6eec06ebc110af282878c5d5e3497dd53bdda7904063

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

MD5 093edb3847d3a60e691c5e75c475310e
SHA1 91f69cf74ee673a9e6114321221027824205e1b7
SHA256 165820600f19e887fb83504a7048bca631840af29847a5438eb291506f95266e
SHA512 b3c66af7fec9600b0514c5d478b7fb46c899ddd57ff665822473f95701ae1ad6b99b03faef487c1f40dc6eec06ebc110af282878c5d5e3497dd53bdda7904063

memory/1948-57-0x0000000000000000-mapping.dmp

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

MD5 093edb3847d3a60e691c5e75c475310e
SHA1 91f69cf74ee673a9e6114321221027824205e1b7
SHA256 165820600f19e887fb83504a7048bca631840af29847a5438eb291506f95266e
SHA512 b3c66af7fec9600b0514c5d478b7fb46c899ddd57ff665822473f95701ae1ad6b99b03faef487c1f40dc6eec06ebc110af282878c5d5e3497dd53bdda7904063

memory/996-60-0x0000000000000000-mapping.dmp

memory/1056-61-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-12 16:02

Reported

2022-10-12 16:06

Platform

win10v2004-20220812-en

Max time kernel

134s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.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\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.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\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe

"C:\Users\Admin\AppData\Local\Temp\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.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\4f28b81037b0e81591f472fbb68c2874e6bab354fe0bf2572d013ae9ff9a3769.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
NL 8.248.3.254:80 tcp
NL 8.248.3.254:80 tcp
NL 8.248.3.254:80 tcp
US 8.8.8.8:53 citrix.vipreclod.com udp
IE 20.190.159.2:443 tcp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
TH 184.22.175.13:80 tcp

Files

memory/4764-132-0x0000000000000000-mapping.dmp

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

MD5 67ee8d4b248f2ff067b3d644a7c3c47a
SHA1 25e30add01c22257269da18bd3129786bf23119e
SHA256 f651ecfe15903aed38c4c1e01bc50468b73c3efcbe4363b050580ab32fadaaad
SHA512 28d7735bb925584fc8f42d9532e94a95f7f07ca2cbde836c4194d0fc7a256c0df6007ec89ea046ad14410c167baea9fb63ecf87dc453ca5a13f89cefbafb1b04

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

MD5 67ee8d4b248f2ff067b3d644a7c3c47a
SHA1 25e30add01c22257269da18bd3129786bf23119e
SHA256 f651ecfe15903aed38c4c1e01bc50468b73c3efcbe4363b050580ab32fadaaad
SHA512 28d7735bb925584fc8f42d9532e94a95f7f07ca2cbde836c4194d0fc7a256c0df6007ec89ea046ad14410c167baea9fb63ecf87dc453ca5a13f89cefbafb1b04

memory/4232-135-0x0000000000000000-mapping.dmp

memory/3416-136-0x0000000000000000-mapping.dmp