Malware Analysis Report

2025-01-02 02:50

Sample ID 241203-lea8xsyqft
Target 8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe
SHA256 8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3
Tags
upx 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

8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3

Threat Level: Known bad

The file 8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Deletes itself

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

UPX packed file

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-03 09:26

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-03 09:26

Reported

2024-12-03 09:28

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.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
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\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A 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\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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A
N/A N/A C:\Windows\SysWOW64\cmd.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\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2640 wrote to memory of 376 N/A C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2640 wrote to memory of 376 N/A C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2640 wrote to memory of 376 N/A C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2640 wrote to memory of 376 N/A C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2640 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe C:\Windows\SysWOW64\cmd.exe
PID 2640 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe C:\Windows\SysWOW64\cmd.exe
PID 2640 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe C:\Windows\SysWOW64\cmd.exe
PID 2640 wrote to memory of 2696 N/A C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe C:\Windows\SysWOW64\cmd.exe
PID 2696 wrote to memory of 2616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2696 wrote to memory of 2616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2696 wrote to memory of 2616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2696 wrote to memory of 2616 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe

"C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.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\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.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/2640-0-0x0000000000AC0000-0x0000000000ADF000-memory.dmp

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

MD5 89f982e64d97a6b4a75912b85a6bd3c8
SHA1 40f535b35c31f6cadcd1b9ee443df04a07e50a55
SHA256 8b325a371133cc40d1d3baebdcfd0ee865cb7889d234104e7032c45fd2aa7fc6
SHA512 757ce398fa53dff52c77a26bbabf3e9a16b9b91d2aae60b6643d6a5380c6be566c00ba913ca1dd2ec5f4ffb7788a2ab07e52f66f558f42360b8fe20392c04594

memory/2640-9-0x0000000000070000-0x000000000008F000-memory.dmp

memory/376-11-0x0000000000940000-0x000000000095F000-memory.dmp

memory/2640-8-0x0000000000070000-0x000000000008F000-memory.dmp

memory/2640-12-0x0000000000AC0000-0x0000000000ADF000-memory.dmp

memory/2640-13-0x0000000000070000-0x000000000008F000-memory.dmp

memory/2640-14-0x0000000000070000-0x000000000008F000-memory.dmp

memory/376-16-0x0000000000940000-0x000000000095F000-memory.dmp

memory/2640-22-0x0000000000AC0000-0x0000000000ADF000-memory.dmp

memory/376-27-0x0000000000940000-0x000000000095F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-03 09:26

Reported

2024-12-03 09:28

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.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\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe N/A

UPX packed file

upx
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
N/A N/A N/A 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\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.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
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\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.exe

"C:\Users\Admin\AppData\Local\Temp\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.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\8e98528d25912547aa90123827585ba7f0a9c096d999bffe4285263326e4a4c3.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 25.125.209.23.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 67.209.201.84.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 33.125.209.23.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4448-0-0x0000000000A20000-0x0000000000A3F000-memory.dmp

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

MD5 4d37667438c956ccc0a14e343f27f4b4
SHA1 ad272b0157057207b1b9e5aaae8e8b46a020be31
SHA256 fde675638923f02ec9e98c9a5883a6f360275dffb21d3313bbf1fb9fa55a7c4a
SHA512 80ff74d8176af9ce595c9e074a718880e202dd416e9b814af0fb9a2207ee217f8872c6056262520d862c2d752e7185b26efb081f3573882547d107a0cfd71053

memory/2456-4-0x0000000000850000-0x000000000086F000-memory.dmp

memory/4448-6-0x0000000000A20000-0x0000000000A3F000-memory.dmp

memory/2456-9-0x0000000000850000-0x000000000086F000-memory.dmp

memory/4448-14-0x0000000000A20000-0x0000000000A3F000-memory.dmp

memory/2456-20-0x0000000000850000-0x000000000086F000-memory.dmp