Malware Analysis Report

2024-11-13 18:43

Sample ID 241107-3s47lazhmr
Target 6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759
SHA256 6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759
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

6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759

Threat Level: Known bad

The file 6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759 was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula payload

Sakula

Loads dropped DLL

Checks computer location settings

Deletes itself

Executes dropped EXE

Adds Run key to start application

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 23:47

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

2024-11-07 23:47

Reported

2024-11-07 23:50

Platform

win7-20240903-en

Max time kernel

127s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.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\AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.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\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2072 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2072 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2072 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2072 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2072 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2072 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2072 wrote to memory of 1736 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2072 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Windows\SysWOW64\cmd.exe
PID 2072 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Windows\SysWOW64\cmd.exe
PID 2072 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Windows\SysWOW64\cmd.exe
PID 2072 wrote to memory of 2952 N/A C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe C:\Windows\SysWOW64\cmd.exe
PID 2952 wrote to memory of 2760 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2952 wrote to memory of 2760 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2952 wrote to memory of 2760 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2952 wrote to memory of 2760 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe

"C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.savmpet.com udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp

Files

memory/2072-0-0x0000000000400000-0x000000000041C000-memory.dmp

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

MD5 c8adfc320182a9c170aa51d4006828ed
SHA1 0c4116153090d45c98131357836d5ea8b1dc7b6a
SHA256 8506c41e59b91659ca79ae978050d48316ea2f0921369164ccb5e6776a7f96bd
SHA512 01641deadce2a8902c91b5189a3b65f03a233dc6c0e5d326f245aa8d2e7d43c9f85c292c28bec33fa2190dbfeebb758c111a1b9ba159bb07c987c93026e48f6b

memory/1736-7-0x0000000000400000-0x000000000041C000-memory.dmp

memory/2072-6-0x00000000003B0000-0x00000000003CC000-memory.dmp

memory/2072-15-0x0000000000400000-0x000000000041C000-memory.dmp

memory/2072-16-0x00000000003B0000-0x00000000003CC000-memory.dmp

memory/1736-17-0x0000000000400000-0x000000000041C000-memory.dmp

memory/2072-18-0x0000000000400000-0x000000000041C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 23:47

Reported

2024-11-07 23:50

Platform

win10v2004-20241007-en

Max time kernel

125s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.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\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe

"C:\Users\Admin\AppData\Local\Temp\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\6677103826a8d0b34d13e110b5b3c3ba0cb437c49dacbd55ee786649ed006759.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.savmpet.com udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp

Files

memory/348-0-0x0000000000400000-0x000000000041C000-memory.dmp

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

MD5 dfb670c94e12e18e351e605b89c0205c
SHA1 f3734a5c7ca9cbf40ea0005487bc11439abb8f98
SHA256 9ab1362658ad976041992e3b8c61bae67bd0f39aad3808b99d32b138e10c05cd
SHA512 89b18a36b6a147d19c99cf33958c5cd26b13084d3e039d1cc2f1995b546dd1ff880d0a63a58caf98b06eada7a0dc6ca805202a613573d6839609845a8432c20a

memory/1500-4-0x0000000000400000-0x000000000041C000-memory.dmp

memory/348-6-0x0000000000400000-0x000000000041C000-memory.dmp

memory/1500-7-0x0000000000400000-0x000000000041C000-memory.dmp

memory/348-8-0x0000000000400000-0x000000000041C000-memory.dmp