Malware Analysis Report

2025-01-02 02:49

Sample ID 241122-rertkaxrap
Target 5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe
SHA256 5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64
Tags
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

5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64

Threat Level: Known bad

The file 5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Deletes itself

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-22 14:06

Signatures

Sakula family

sakula

Sakula payload

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

2024-11-22 14:06

Reported

2024-11-22 14:09

Platform

win7-20240903-en

Max time kernel

146s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

Description Indicator Process Target
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\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe 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\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.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\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2236 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2236 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2236 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2236 wrote to memory of 2168 N/A C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2236 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe C:\Windows\SysWOW64\cmd.exe
PID 2236 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe C:\Windows\SysWOW64\cmd.exe
PID 2236 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe C:\Windows\SysWOW64\cmd.exe
PID 2236 wrote to memory of 2776 N/A C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe C:\Windows\SysWOW64\cmd.exe
PID 2776 wrote to memory of 2968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2776 wrote to memory of 2968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2776 wrote to memory of 2968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2776 wrote to memory of 2968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe

"C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.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\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.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
TH 184.22.175.13:80 tcp

Files

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

MD5 098d06089beab299d45388b5813e3990
SHA1 433555aace488cc68fbfae2f2ec09774d3ab1187
SHA256 07ae9e4c0cb76169765de2dc970df8862f309c090a8610100ae3fd9a58f14b9f
SHA512 b3ba28b6d036d0406ccce6f591a800ae9ca5326de4634b5e76ea22437c5aaf1bd1e626aa3ffb4caf3c6d823f45195fce86a240efbc3b48fb1532542898a46bbb

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-22 14:06

Reported

2024-11-22 14:09

Platform

win10v2004-20241007-en

Max time kernel

128s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

Description Indicator Process Target
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\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.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\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe 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\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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.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\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.exe

"C:\Users\Admin\AppData\Local\Temp\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.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\5de4e79682120f5b115eea30ce2da200df380f6256f03e38d3692a785f06fd64.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 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 104.209.201.84.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
TH 184.22.175.13:80 tcp

Files

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

MD5 6ff44e914e800d512d2bd9458e6693ef
SHA1 6a25c43041227f1a8aea6a50fb938f1b57203ceb
SHA256 e89f7b095049b8efaa204cde9dee3b8677996cf138a761572c298a5f30c77c25
SHA512 266b1d33b46eef99c2be52e8cde04f6988ab109a069373a83620931b73e463087fbf6c0821c89e2cf863404f55e81fa24f2d3faf6598f89779acff2b67a58667