Malware Analysis Report

2025-01-02 02:51

Sample ID 241123-qljwvsvqdt
Target 1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe
SHA256 1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85
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

1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85

Threat Level: Known bad

The file 1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Executes dropped EXE

Deletes itself

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-23 13:20

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-23 13:20

Reported

2024-11-23 13:23

Platform

win7-20241010-en

Max time kernel

111s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2808 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 2600 N/A C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe C:\Windows\SysWOW64\cmd.exe
PID 2600 wrote to memory of 1188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2600 wrote to memory of 1188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2600 wrote to memory of 1188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2600 wrote to memory of 1188 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe

"C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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/2808-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 50a3df3b09f05ddd62e16258515861b3
SHA1 c9c0dffb6fa9b9377c22f03ecea7733dcdcef946
SHA256 78f41a86c6d866105d9b8787b669c1eaee4fbe9526e651905d093609331b68a6
SHA512 539aba2e763d6dfd7e77492aa9d6316dea7b7ad405323802ee1dfbbfe92dab6b3575b2674a79d01b7134367639f2137c481378a234a1e32624b40413a81140cc

memory/2808-8-0x00000000003C0000-0x00000000003DA000-memory.dmp

memory/2824-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2808-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2808-12-0x00000000003C0000-0x00000000003DA000-memory.dmp

memory/2808-13-0x00000000003C0000-0x00000000003DA000-memory.dmp

memory/2824-15-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2808-20-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2824-26-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-23 13:20

Reported

2024-11-23 13:22

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

113s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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\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\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.exe

"C:\Users\Admin\AppData\Local\Temp\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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\1df6bbb341a922bc6f07c44b65506d961147b12e4b6dbf88f0b83546779b5c85.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 140.121.18.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
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/4224-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 85e60467a7b06b8ea5bacc8ef24e56fd
SHA1 caf395d40adf77a13768edfe8f8894881cf6e7c4
SHA256 565e8cdfa8723a8b71d3fcf351e0fa3c8216db1392a14bf24e126abeccaada87
SHA512 eb25045e12bb6abaa4a6de961c24d931825a1fa65ba6bdcf6926d9aad132197a644ab6cdd52491eaa0587f9667bfa13ff2c16babfb009d364f259514bbb97b0f

memory/4224-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/5104-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/4224-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/5104-15-0x0000000000400000-0x000000000041A000-memory.dmp