Malware Analysis Report

2024-12-07 22:04

Sample ID 241123-bkkpfaznbj
Target 916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93
SHA256 916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93
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

916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93

Threat Level: Known bad

The file 916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93 was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Deletes itself

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Unsigned PE

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

2024-11-23 01:12

Signatures

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

2024-11-23 01:12

Reported

2024-11-23 01:14

Platform

win7-20240903-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.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\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.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\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.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
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\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2136 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2136 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2136 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2136 wrote to memory of 2052 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2136 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Windows\SysWOW64\cmd.exe
PID 2136 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Windows\SysWOW64\cmd.exe
PID 2136 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Windows\SysWOW64\cmd.exe
PID 2136 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe C:\Windows\SysWOW64\cmd.exe
PID 2884 wrote to memory of 2932 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2884 wrote to memory of 2932 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2884 wrote to memory of 2932 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2884 wrote to memory of 2932 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe

"C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.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\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
TH 184.22.175.13:80 tcp

Files

memory/2136-0-0x0000000000230000-0x000000000024F000-memory.dmp

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

MD5 ea8ffab34b30925078ab452b16fa47d6
SHA1 0d111db5d8b8e9527a9e3a41ac5c3512922e307b
SHA256 cd5c069b6ba646d4591b9a3ef19683d26df194609898daa701aedf4486115220
SHA512 90871706959f423b00c6356ae129b0393e9bf9775844102aa19865eeaf07d020931b917a40a1642f522438c08bd6fd63d08b1ce786e731282be36eb9609df91d

memory/2136-9-0x00000000002C0000-0x00000000002DF000-memory.dmp

memory/2052-11-0x00000000002C0000-0x00000000002DF000-memory.dmp

memory/2136-10-0x00000000002C0000-0x00000000002DF000-memory.dmp

memory/2136-12-0x0000000000230000-0x000000000024F000-memory.dmp

memory/2136-13-0x00000000002C0000-0x00000000002DF000-memory.dmp

memory/2052-15-0x00000000002C0000-0x00000000002DF000-memory.dmp

memory/2136-14-0x00000000002C0000-0x00000000002DF000-memory.dmp

memory/2136-23-0x0000000000230000-0x000000000024F000-memory.dmp

memory/2052-30-0x00000000002C0000-0x00000000002DF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-23 01:12

Reported

2024-11-23 01:14

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.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\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.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\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.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\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe

"C:\Users\Admin\AppData\Local\Temp\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.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\916ed90809dbb8952d7b7708cf0e6030724b631fcc3cfadcaa71ae0911b00a93.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/4748-0-0x00000000001D0000-0x00000000001EF000-memory.dmp

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

MD5 783e6dea086680dc710c5860b4832d6b
SHA1 4e6cc7a1941528471d03dd5206cc2bf5ad38d8c0
SHA256 20559d2ceeb0a25f6bfa3ac2f02ee1ed89f988b97f8ad501b61b9cc7607ebf7a
SHA512 9e4d3db921e7325d45a2f36151e981254b2ef64cae10af2ef76d69970f7c8a2867db7e7e5cc7b9c7620bd5c9b08d21db64a8b4df943652f511733e3d6c6b46c5

memory/2500-4-0x00000000000C0000-0x00000000000DF000-memory.dmp

memory/4748-6-0x00000000001D0000-0x00000000001EF000-memory.dmp

memory/2500-8-0x00000000000C0000-0x00000000000DF000-memory.dmp

memory/4748-14-0x00000000001D0000-0x00000000001EF000-memory.dmp

memory/2500-18-0x00000000000C0000-0x00000000000DF000-memory.dmp