Malware Analysis Report

2025-01-02 02:51

Sample ID 241202-27f8mstnaq
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

Sakula payload

Sakula family

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Deletes itself

Adds Run key to start application

UPX packed file

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 23:13

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 23:13

Reported

2024-12-02 23:15

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
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:\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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2584 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2584 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2584 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2584 wrote to memory of 1836 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2584 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Windows\SysWOW64\cmd.exe
PID 2584 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Windows\SysWOW64\cmd.exe
PID 2584 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Windows\SysWOW64\cmd.exe
PID 2584 wrote to memory of 2936 N/A C:\Users\Admin\AppData\Local\Temp\74af3362c54de93637da74b127074ed66ad744d4a38e1924f34867b3e5eabf47.exe C:\Windows\SysWOW64\cmd.exe
PID 2936 wrote to memory of 2640 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2936 wrote to memory of 2640 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2936 wrote to memory of 2640 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2936 wrote to memory of 2640 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/2584-1-0x0000000000400000-0x000000000041E000-memory.dmp

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

MD5 2b0347d665f30079748e6d555bb743e8
SHA1 d886d14ef088111668d270b3f04f37596076191d
SHA256 8dfdd4bdbe48eb7909ef06209c0f89345e30724d82c4e1ba89cb4ea885279b5f
SHA512 ac3429f917b40d78dc040fc47789f1adfe2b39fc3e6d8c918edaed2a6edb0e96561871349d3e61667b8f5114950d1bfdc8f0aeaa7527c88ab0505011e848a10e

memory/1836-7-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2584-6-0x0000000000230000-0x000000000024E000-memory.dmp

memory/2584-8-0x0000000000230000-0x000000000024E000-memory.dmp

memory/1836-9-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2584-18-0x0000000000230000-0x000000000024E000-memory.dmp

memory/2584-17-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1836-24-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1836-29-0x0000000000400000-0x000000000041E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 23:13

Reported

2024-12-02 23:15

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

147s

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-1-5-21-4050598569-1597076380-177084960-1000\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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 146.54.223.76.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 192.240.110.104.in-addr.arpa udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 13.227.111.52.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/1964-0-0x0000000000400000-0x000000000041E000-memory.dmp

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

MD5 004676954a29f7b7bb56bf948d557f0a
SHA1 67ff46a764d57dfcc0c1cd16d4cf3fec61d5d6fe
SHA256 6422f81ff46da7d9be3567f0badc3af3a5796558e948f2273fd3277368a5d180
SHA512 6763453bfd663f35f2385048264c9b054102f97e5a72147292ba6c40326dc66730516135827aded121207892f131b8d4a017e104763cc75dc26bb2112722b083

memory/920-5-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1964-6-0x0000000000400000-0x000000000041E000-memory.dmp

memory/920-8-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1964-14-0x0000000000400000-0x000000000041E000-memory.dmp

memory/920-21-0x0000000000400000-0x000000000041E000-memory.dmp