Malware Analysis Report

2025-01-02 02:51

Sample ID 241202-23s2mstlem
Target 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47
SHA256 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47
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

74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47

Threat Level: Known bad

The file 74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47 was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula family

Sakula payload

Sakula

Deletes itself

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 23:06

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

2024-12-02 23:06

Reported

2024-12-02 23:09

Platform

win7-20240903-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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:\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\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2688 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2688 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2688 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2688 wrote to memory of 2184 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2688 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Windows\SysWOW64\cmd.exe
PID 2688 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Windows\SysWOW64\cmd.exe
PID 2688 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Windows\SysWOW64\cmd.exe
PID 2688 wrote to memory of 2680 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Windows\SysWOW64\cmd.exe
PID 2680 wrote to memory of 2884 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2680 wrote to memory of 2884 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2680 wrote to memory of 2884 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2680 wrote to memory of 2884 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe

"C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/2688-0-0x0000000000400000-0x000000000041E000-memory.dmp

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

MD5 387dd5d60eeffe473f5db2d2f60bf4a2
SHA1 04d9a66b3bddfb40dbbf063fce26412fd2520b10
SHA256 cad6e65f9e95ba591afc6701abfc9d776b3b5aa726b3a3b024050cfca933656f
SHA512 0c65273a53682c207c23a450ad584be82ad2d256bcc4deda46baf5aa880413be4015354694de56af24ad598e49f6c785f5b45e4f4b3a6c4a2dbf5e125d026c55

memory/2688-5-0x0000000000230000-0x000000000024E000-memory.dmp

memory/2688-7-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2688-8-0x0000000000230000-0x000000000024E000-memory.dmp

memory/2184-10-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2688-16-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2184-21-0x0000000000400000-0x000000000041E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 23:06

Reported

2024-12-02 23:09

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe

"C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.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\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.169.248.13.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.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 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 122.164.16.2.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 35.77.123.92.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 25.77.123.92.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/4864-0-0x0000000000400000-0x000000000041E000-memory.dmp

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

MD5 008cd06c714a99035205eaff7b6d3cac
SHA1 3a841d17419caecc586f0890cc337922b0c4c474
SHA256 e16e7d8fa328bb0878e9dd193e3e6d58837089c4f94d3f8429a1d6dc9a548260
SHA512 8197809c97d370d54c2f9d404d08750d66c63996e0325c83709cb9b757cfdc959d2b8e08400e948ebd64478828bc61bc9ea772c5111dc878c39474991220a4e9

memory/336-4-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4864-6-0x0000000000400000-0x000000000041E000-memory.dmp

memory/336-8-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4864-13-0x0000000000400000-0x000000000041E000-memory.dmp

memory/336-18-0x0000000000400000-0x000000000041E000-memory.dmp