Malware Analysis Report

2024-11-13 18:43

Sample ID 241110-afnpvsxrak
Target 864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4
SHA256 864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4
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

864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4

Threat Level: Known bad

The file 864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4 was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula

Sakula family

Sakula payload

Loads dropped DLL

Checks computer location settings

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

2024-11-10 00:09

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 00:09

Reported

2024-11-10 00:11

Platform

win7-20240903-en

Max time kernel

144s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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

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\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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
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\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2672 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2672 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2672 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2672 wrote to memory of 2692 N/A C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2672 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe C:\Windows\SysWOW64\cmd.exe
PID 2672 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe C:\Windows\SysWOW64\cmd.exe
PID 2672 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe C:\Windows\SysWOW64\cmd.exe
PID 2672 wrote to memory of 2068 N/A C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe C:\Windows\SysWOW64\cmd.exe
PID 2068 wrote to memory of 2308 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2068 wrote to memory of 2308 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2068 wrote to memory of 2308 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2068 wrote to memory of 2308 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe

"C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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/2672-0-0x0000000000400000-0x0000000000424000-memory.dmp

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

MD5 0002e1f004692570bd483bf0ba4f1556
SHA1 3b474adafe8fbcdda42f0ecdb92515e1e7906f80
SHA256 7bedfbaf608c8817c20623724b2b0ad080c75d8aeccd630938f6dfbc2d63a9ae
SHA512 7631799f3e0abda5b44292d6b7bc9f4dcab380d060d83c6ca947e4dbbea7e11893ed37c378c1812846175cfa891378c91f9ae97c5127a378d64b1f8fbfe9d59b

memory/2672-5-0x0000000000230000-0x0000000000254000-memory.dmp

memory/2692-7-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2672-8-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2672-9-0x0000000000230000-0x0000000000254000-memory.dmp

memory/2692-11-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2672-17-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2692-22-0x0000000000400000-0x0000000000424000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 00:09

Reported

2024-11-10 00:11

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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:\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\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.exe

"C:\Users\Admin\AppData\Local\Temp\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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\864a1813d74482211a90b8de9634fe6a4a5dcbf02dafdd29a23e0f981a189dc4.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 48.169.248.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.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 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 83.210.23.2.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 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

Files

memory/1212-0-0x0000000000400000-0x0000000000424000-memory.dmp

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

MD5 f98c8e1c9b31c2302d279f8c62f14224
SHA1 e0d37f9844946864638e19f1a402a6e8f9c0e0e3
SHA256 49780b949cd138da9703f005704f55b39af122d0349d7d9c8ba728addeeb57b5
SHA512 d46a2418d27c7ff7e920451668e8db4d908e0b35dd977cf8f1e1c5adc39a679d70a729b4efb411db7b1a162e748bec5d2b914cd91a3a2fd60011612d4ead0b87

memory/1212-5-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3436-7-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1212-13-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3436-18-0x0000000000400000-0x0000000000424000-memory.dmp