Malware Analysis Report

2025-01-02 02:50

Sample ID 241129-gngpvayrgs
Target a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe
SHA256 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39
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

a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39

Threat Level: Known bad

The file a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Checks computer location settings

Loads dropped DLL

Deletes itself

Executes dropped EXE

Adds Run key to start application

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-29 05:56

Signatures

Sakula family

sakula

Sakula payload

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

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

2024-11-29 05:56

Reported

2024-11-29 05:58

Platform

win7-20240903-en

Max time kernel

110s

Max time network

111s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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

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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2380 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2380 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2380 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2380 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2380 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Windows\SysWOW64\cmd.exe
PID 2380 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Windows\SysWOW64\cmd.exe
PID 2652 wrote to memory of 2716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2652 wrote to memory of 2716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2652 wrote to memory of 2716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2652 wrote to memory of 2716 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe

"C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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/2380-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 040ffa97cd6da9a9a7478ab92992ee39
SHA1 4145c7a022ebf9649bdde6ee07dd0a269db8acfc
SHA256 9a2ad89164eec471babc067631cc9d64795df8531c3999146cc549dae2cdd6d0
SHA512 2ebbcdd15df6e3351d5a68209641407afa415f31a36cc103843c2743bdd32a65a5e38ae84f10624a503628583b6a69784b376f4fe0ca690c768ccb47b6fc47f3

memory/2144-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2380-6-0x00000000002B0000-0x00000000002D5000-memory.dmp

memory/2380-8-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2380-9-0x00000000002B0000-0x00000000002D5000-memory.dmp

memory/2144-10-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2380-11-0x0000000000400000-0x0000000000425000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-29 05:56

Reported

2024-11-29 05:58

Platform

win10v2004-20241007-en

Max time kernel

106s

Max time network

108s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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

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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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

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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe

"C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.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\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.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 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
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

Files

memory/4792-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 56b816062bfbd7a285ecf6583a0761d1
SHA1 9215e9e0a64b07428d9b6935b824becf58e204ce
SHA256 5a123462f16383b3e8111c5439ce5363266f0c8aafb0c38f774c866e83aaee22
SHA512 16f1b088f73d8384233cf305860ffb01ea01f825c92b3714ffcc5c3abc4575e8c1d9b9322facc7d647a2b8b8573bd4529c9a826e46b23664e82bf399f1bc9e47

memory/4792-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3980-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/4792-7-0x0000000000400000-0x0000000000425000-memory.dmp