Malware Analysis Report

2025-01-02 02:51

Sample ID 241202-m289xaxlbm
Target 3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe
SHA256 3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e
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

3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e

Threat Level: Known bad

The file 3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula family

Sakula

Executes dropped EXE

Checks computer location settings

Deletes itself

Loads dropped DLL

Adds Run key to start application

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 10:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-02 10:58

Reported

2024-12-02 11:00

Platform

win7-20240708-en

Max time kernel

118s

Max time network

98s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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
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\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1508 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1508 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1508 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1508 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1508 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe C:\Windows\SysWOW64\cmd.exe
PID 1508 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe C:\Windows\SysWOW64\cmd.exe
PID 1508 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe C:\Windows\SysWOW64\cmd.exe
PID 1508 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe C:\Windows\SysWOW64\cmd.exe
PID 2336 wrote to memory of 548 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2336 wrote to memory of 548 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2336 wrote to memory of 548 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2336 wrote to memory of 548 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe

"C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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 13.248.169.48:80 www.polarroute.com tcp
US 13.248.169.48:80 www.polarroute.com tcp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/1508-0-0x0000000000400000-0x0000000000438000-memory.dmp

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

MD5 10ecb2c158db839c18803a4f5b58e535
SHA1 44c448c118a46a6eb212c8623802acbf58523fcf
SHA256 c1bd0041d54fc917d0f4d61b1e1c96d03a415176c97bf01e7e9e297a7d36f4d7
SHA512 1bd76bd96176269a5209a77064bbcacad0075b6e73c99af0348d5d0fba5c5379dd5b99c3527d68a28d132ce9442e53474e4b44e6c2fc9768dfda12bdc79e9ac8

memory/1508-4-0x0000000000401000-0x000000000040F000-memory.dmp

memory/1508-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2720-12-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2720-13-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1508-17-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2720-23-0x0000000000400000-0x0000000000438000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 10:58

Reported

2024-12-02 11:00

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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
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\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe

"C:\Users\Admin\AppData\Local\Temp\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.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\3f1f939543ecb3feefcfb57044ed1cff6131f0f409b0de93720d2721f2903a3e.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 48.169.248.13.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 13.248.169.48:80 www.polarroute.com tcp
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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/1772-1-0x0000000000401000-0x000000000040F000-memory.dmp

memory/1772-0-0x0000000000400000-0x0000000000438000-memory.dmp

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

MD5 49cdc449cabc2165358618c23894774e
SHA1 d60fdded2106889d4a1032fa38ca659452de9c54
SHA256 bdcccaeb9e978dc110ac60e4762220f772c6aa474a9a38bbd977b35882c421eb
SHA512 4a6c94f0ddab6c243fd447f0c09f564f9b0c2cfc2d4fdf182dcf7ebd65964532cfe62da298f51f2f479077627d80a6cb69f90fda0094ba0fc3937d05a8c6a9fa

memory/1772-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3152-8-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3152-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1772-14-0x0000000000400000-0x0000000000438000-memory.dmp

memory/3152-19-0x0000000000400000-0x0000000000438000-memory.dmp