Malware Analysis Report

2024-12-07 22:05

Sample ID 241117-wg8bjsvfrf
Target 441c92fe90adf185d627410be0a9e0488e70afd4.exe
SHA256 84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a
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

84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a

Threat Level: Known bad

The file 441c92fe90adf185d627410be0a9e0488e70afd4.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Loads dropped DLL

Deletes itself

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

UPX packed file

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 17:54

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

2024-11-17 17:54

Reported

2024-11-17 17:57

Platform

win7-20240903-en

Max time kernel

135s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.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\441c92fe90adf185d627410be0a9e0488e70afd4.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\441c92fe90adf185d627410be0a9e0488e70afd4.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\441c92fe90adf185d627410be0a9e0488e70afd4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2376 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2376 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2376 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2376 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2376 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe C:\Windows\SysWOW64\cmd.exe
PID 2376 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe C:\Windows\SysWOW64\cmd.exe
PID 2376 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe C:\Windows\SysWOW64\cmd.exe
PID 2376 wrote to memory of 2648 N/A C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe C:\Windows\SysWOW64\cmd.exe
PID 2648 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2648 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2648 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2648 wrote to memory of 2800 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe

"C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.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\441c92fe90adf185d627410be0a9e0488e70afd4.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/2376-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 e7e5bdd1fe0e1a1e480553557114a6db
SHA1 59e920dbafe611e69a7b54639865750433c42da0
SHA256 000c9461ff3cdf3795d9657bc75527e8785bb78ef4a951c5965b5c2394005e2a
SHA512 839b9b8477a9b19d3953e23f722f0a63531af6cef561bfd96bbd5f5b66b3c5749a3c5ce11a8785ceb9a938b95483e3b0ea929793cb9afafc511e02c979b1f771

memory/2376-6-0x0000000000430000-0x0000000000455000-memory.dmp

memory/2376-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2376-8-0x0000000000430000-0x0000000000455000-memory.dmp

memory/2572-9-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2376-10-0x0000000000400000-0x0000000000425000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 17:54

Reported

2024-11-17 17:57

Platform

win10v2004-20241007-en

Max time kernel

135s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.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\441c92fe90adf185d627410be0a9e0488e70afd4.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\441c92fe90adf185d627410be0a9e0488e70afd4.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\441c92fe90adf185d627410be0a9e0488e70afd4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.exe

"C:\Users\Admin\AppData\Local\Temp\441c92fe90adf185d627410be0a9e0488e70afd4.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\441c92fe90adf185d627410be0a9e0488e70afd4.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 8.8.8.8:53 146.54.223.76.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 85.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 240.221.184.93.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 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 214.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/3208-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 2c7b9a71fecf65e53b2261e9cec022ee
SHA1 16a2738df1d15ecd359e724572f114b11d72aa27
SHA256 85bd908798c7b8317789a9a7a448c5d8ca73fbd7ebef9c338930b53e4691d75c
SHA512 0b95c5c2eeac8370b78b803aea1b86a7ff99234fff22ba607bd23d673ef4e631859fbab61410b97ced243faba0d525b231508e3d8c5c141ff5d6b92709010055

memory/3208-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3828-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3208-7-0x0000000000400000-0x0000000000425000-memory.dmp