Malware Analysis Report

2024-12-07 22:04

Sample ID 241118-t2368azpbx
Target 96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe
SHA256 96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316
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

96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316

Threat Level: Known bad

The file 96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Loads dropped DLL

Deletes itself

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 16:34

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-18 16:34

Reported

2024-11-18 16:36

Platform

win7-20241023-en

Max time kernel

141s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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

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\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1956 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1956 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1956 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1956 wrote to memory of 1616 N/A C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1956 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe C:\Windows\SysWOW64\cmd.exe
PID 1956 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe C:\Windows\SysWOW64\cmd.exe
PID 1956 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe C:\Windows\SysWOW64\cmd.exe
PID 1956 wrote to memory of 2892 N/A C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe C:\Windows\SysWOW64\cmd.exe
PID 2892 wrote to memory of 2920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2892 wrote to memory of 2920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2892 wrote to memory of 2920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2892 wrote to memory of 2920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe

"C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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/1956-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 60af4f251aed5f7d83696039d1034871
SHA1 1af29254592056ea6cde5ae8d2340dc589d84354
SHA256 cad967c48d0e47329b901adbc1f68c7545a6fe96b2be4a9c377e4231fe7ec123
SHA512 6ea74cbdf958a067caf3987211630af8d9c5bd39846b472a2e62f0b5f51381a4d86d2289252e6e13f82a06e57bb6383abf70526699f69f5479b7cc0b368415ab

memory/1956-9-0x0000000000220000-0x000000000023A000-memory.dmp

memory/1956-8-0x0000000000220000-0x000000000023A000-memory.dmp

memory/1956-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1956-12-0x0000000000220000-0x000000000023A000-memory.dmp

memory/1616-14-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1956-20-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1616-26-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 16:34

Reported

2024-11-18 16:36

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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

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\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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\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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.exe

"C:\Users\Admin\AppData\Local\Temp\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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\96b6f4b16af8494068db6c98c9a161eef303863d5a66a887fb3392ea7d225316.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
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/2280-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 6a70ec0a2f5ea10b64a762d8c26254a8
SHA1 88983ee4e8e471b37205355086a03f3d7ad7e1f3
SHA256 ef6548c712e5e0f80f6bdf9d473ce4aa17441b32ac3a6f6127e020dd095cecbc
SHA512 22f5fb5a48a41799b70c84411dd74d72498c51671591c1de10034785a35a8f96160bd8117eec00d4b4b5009678253e8e52914e1673308c032a32caa75ec3e71c

memory/2280-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3532-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2280-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3532-18-0x0000000000400000-0x000000000041A000-memory.dmp