Malware Analysis Report

2025-01-02 02:50

Sample ID 241129-gqey2azjf1
Target a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe
SHA256 a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39
Tags
sakula discovery persistence rat trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

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

sakula discovery persistence rat trojan upx

Sakula family

Sakula

Sakula payload

Deletes itself

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-29 06:00

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: behavioral2

Detonation Overview

Submitted

2024-11-29 06:00

Reported

2024-11-29 06:02

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

147s

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-1-5-21-3442511616-637977696-3186306149-1000\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:\Windows\SysWOW64\PING.EXE N/A
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

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 www.polarroute.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa 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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
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 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/2516-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 db4a9addd35f1fd3bd98ea4786ecc334
SHA1 33244b32d8e8bb41029765ca6831debcf35a4f37
SHA256 3900d8810a8280b1a5af45ec949e8cae57e044cd163966eadfe4991c47fe9d67
SHA512 bfd67807c0f9e251311e0e8e321fbb1d0e0872b6d218686a98996513d9808f8ee1dde20a8de5b51e490016aa7eb7627832c243ffa51848321afad2f10548a1d9

memory/2516-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3220-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2516-7-0x0000000000400000-0x0000000000425000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-29 06:00

Reported

2024-11-29 06:02

Platform

win7-20240903-en

Max time kernel

133s

Max time network

118s

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 2500 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2500 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2500 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2500 wrote to memory of 2512 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2500 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Windows\SysWOW64\cmd.exe
PID 2500 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Windows\SysWOW64\cmd.exe
PID 2500 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Windows\SysWOW64\cmd.exe
PID 2500 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\a4d5bad0f16fbe067a2dd7c616537f74674b90a721bf576199604dd0bd28ba39.exe C:\Windows\SysWOW64\cmd.exe
PID 2824 wrote to memory of 2880 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2824 wrote to memory of 2880 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2824 wrote to memory of 2880 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2824 wrote to memory of 2880 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/2500-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 2553575e390fa77a7917c1fe04082976
SHA1 997240cb2c792924027810c7902e920dfb9675b6
SHA256 1dfec68ccfe431a7d60e5c0c71c871c23a94e9faa5820e88e6733a55d478f024
SHA512 0a78543c361c4389adf6d5b2a8cb14b17dcde76b9dfcbb7fdcb4b894d0aaba97a87acc83aaa35490ca650a6ba5133a2977d8185fc77aab28a18f94c402db6314

memory/2512-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2500-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2500-8-0x0000000000230000-0x0000000000255000-memory.dmp

memory/2512-9-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2500-10-0x0000000000400000-0x0000000000425000-memory.dmp