Malware Analysis Report

2024-11-13 18:43

Sample ID 241108-abmxrszmhy
Target 6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444
SHA256 6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444
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

6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444

Threat Level: Known bad

The file 6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444 was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Executes dropped EXE

Deletes itself

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Unsigned PE

System Network Configuration Discovery: Internet Connection Discovery

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

2024-11-08 00:02

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

2024-11-08 00:02

Reported

2024-11-08 00:04

Platform

win7-20241010-en

Max time kernel

129s

Max time network

133s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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\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\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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

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\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2856 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2856 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2856 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2856 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2856 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2856 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2856 wrote to memory of 2768 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2856 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2688 N/A C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe C:\Windows\SysWOW64\cmd.exe
PID 2688 wrote to memory of 2588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2688 wrote to memory of 2588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2688 wrote to memory of 2588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2688 wrote to memory of 2588 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe

"C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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

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

MD5 af4514a18495cacbd7cf92f81ffc7e43
SHA1 3a7096b22b80f3100b3f19d72fb42416c6442253
SHA256 c9e5f95fed530d1cc1b89987198d1bfda2cdac524fa1891691983fd5df13d808
SHA512 b2d96ab5c2fdc7140279a3f8fd1b6e9fe2d4a027fc5b3c3c963115f8f8b5edb0e367ef667818bdce3d1be3423dde0de461256f61dc44967d7e984d56caaf276b

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-08 00:02

Reported

2024-11-08 00:04

Platform

win10v2004-20241007-en

Max time kernel

125s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.exe

"C:\Users\Admin\AppData\Local\Temp\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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\6ba7293287645ba46d1f71b211ef8a7b7ff79af0e69a97efca70c2910cd5e444.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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.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 8.8.8.8:53 200.163.202.172.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 8.8.8.8:53 198.187.3.20.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 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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

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

MD5 1955f497e6d7a2bded210e4bb75278a2
SHA1 6a0f1183b2ab173ca564ae4f28a9223224359a65
SHA256 433c897a8fb6b62494404d7cfab3a77c2e71c20c67bcdcff88735e4c6aac1dd2
SHA512 894fbd78df3c18b27c60dbce9d7804873c3223fb4a51b386acc4765342684e48d266a6d689d6f3813c1d8cb1c80383edca68cc1f8391504f13176cc8dabaea3d