Malware Analysis Report

2025-01-02 02:50

Sample ID 241129-2l7hpsznct
Target afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe
SHA256 afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4
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

afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4

Threat Level: Known bad

The file afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula

Sakula family

Sakula payload

Loads dropped DLL

Checks computer location settings

Deletes itself

Executes dropped EXE

Adds Run key to start application

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-29 22:41

Signatures

Sakula family

sakula

Sakula payload

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

2024-11-29 22:41

Reported

2024-11-29 22:43

Platform

win7-20240903-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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\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\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1624 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1624 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1624 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1624 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1624 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe C:\Windows\SysWOW64\cmd.exe
PID 1624 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe C:\Windows\SysWOW64\cmd.exe
PID 1624 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe C:\Windows\SysWOW64\cmd.exe
PID 1624 wrote to memory of 2564 N/A C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe C:\Windows\SysWOW64\cmd.exe
PID 2564 wrote to memory of 2720 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2564 wrote to memory of 2720 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2564 wrote to memory of 2720 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2564 wrote to memory of 2720 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe

"C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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/1624-0-0x0000000000400000-0x0000000000420000-memory.dmp

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

MD5 63fc2bb9a9134427f4996005833333ad
SHA1 7435bfb0b1994f6e7869118eb10a03c4215a9b31
SHA256 4d9a6cb6ba8fbe06826f6f04f149a95d18c5ff9833f877932a07a9438388ea73
SHA512 b6b67009dac08a027b71bd4500bb7f76d6fe468c4ac2018262762aabdb71d61e20b61e070131a000467ca794f3dfffba32fe4141ebe1b7e5142f2eb1c37ec051

memory/1624-4-0x0000000000230000-0x0000000000250000-memory.dmp

memory/2300-7-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1624-8-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2300-9-0x0000000000400000-0x0000000000420000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-29 22:41

Reported

2024-11-29 22:43

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.exe

"C:\Users\Admin\AppData\Local\Temp\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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\afc325e17a09acb994a728a5c3ee4d40538cb0d23b5534f83efc9fd8cb4145e4N.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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 146.54.223.76.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.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 www.northpoleroute.com udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp

Files

memory/4852-0-0x0000000000400000-0x0000000000420000-memory.dmp

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

MD5 59c3abec8ee790bfd1263569f2206df8
SHA1 6bbe3a621b8c6bcf26857c76eeba130ad4f3073f
SHA256 6db68cb289bceefcb614ad2382bdd7a22324d044e6a2d054810f589f9d426b9c
SHA512 aeddcc0c658af7ea895f4ec643d1649eb13a9cfe9d4bbbc6b80e4e1282bf699714a9053c49906fdf5019b120eac1f273e26218f6ee78a88dd66af1b4eb6013ee

memory/4852-5-0x0000000000400000-0x0000000000420000-memory.dmp

memory/4004-6-0x0000000000400000-0x0000000000420000-memory.dmp