Malware Analysis Report

2025-01-02 02:50

Sample ID 241201-tn5g5awjbv
Target 9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe
SHA256 9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92
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

9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92

Threat Level: Known bad

The file 9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Deletes itself

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-01 16:13

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-01 16:13

Reported

2024-12-01 16:15

Platform

win7-20240903-en

Max time kernel

120s

Max time network

106s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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
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\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2332 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2332 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2332 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2332 wrote to memory of 1920 N/A C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2332 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe C:\Windows\SysWOW64\cmd.exe
PID 2332 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe C:\Windows\SysWOW64\cmd.exe
PID 2332 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe C:\Windows\SysWOW64\cmd.exe
PID 2332 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe C:\Windows\SysWOW64\cmd.exe
PID 3028 wrote to memory of 2676 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 3028 wrote to memory of 2676 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 3028 wrote to memory of 2676 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 3028 wrote to memory of 2676 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe

"C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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/2332-0-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2332-2-0x0000000000401000-0x000000000040F000-memory.dmp

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

MD5 2df060267eea64862ff836b0fc5e9299
SHA1 9e5cabd2493e9d4703bb26ebc854aa2d8645df1a
SHA256 3ae5874e0b44c3af0c1a61bfe732c1f80c5e51a8403ed941bc4c9a793504713d
SHA512 9a125091ae057bad6214c8aa2070942ef61255bcb658095c7f265177dfcb9a3c415046ab449bcd2336d013daccb4c2de78aaccc8d63bcd94d2f730af0933f0f8

memory/2332-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1920-12-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1920-11-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1920-13-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2332-18-0x0000000000400000-0x0000000000438000-memory.dmp

memory/1920-25-0x0000000000400000-0x0000000000438000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-01 16:13

Reported

2024-12-01 16:15

Platform

win10v2004-20241007-en

Max time kernel

117s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe

"C:\Users\Admin\AppData\Local\Temp\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.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\9ca5750bad9eff7f6fbacdd03604c2f11e7b1f1f1f0dab75c7563dd57ad84a92N.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.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 www.polarroute.com udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 146.54.223.76.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
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 83.210.23.2.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

Files

memory/4948-0-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4948-1-0x0000000000401000-0x000000000040F000-memory.dmp

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

MD5 e0dee57b6b753200a95ae7e9033a1aca
SHA1 8040b5723ac803b470f096deee274ce2c00e5da0
SHA256 4e53f2418dbf574e867c9262b0395a9940bd62e6159958787cec684e75234f96
SHA512 122b44301c2b2416f1e5344a78b4c9eb3af29aa1a5a4e2780f7bf28d136ea202e88d11cdbad567554cc6bd21d42b7cad6ea5479f92f60f71a74ef00a21d1451b

memory/4948-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2264-7-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2264-8-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2264-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4948-14-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2264-19-0x0000000000400000-0x0000000000438000-memory.dmp