Malware Analysis Report

2024-11-13 18:44

Sample ID 231012-sg3vaafd4v
Target c707e190d65c58e8ea738388879202bc_JC.exe
SHA256 6e4606db35e67d5c39dede0e0acae67b0fc150581d0268263dc0ac15cbd86aae
Tags
sakula 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

6e4606db35e67d5c39dede0e0acae67b0fc150581d0268263dc0ac15cbd86aae

Threat Level: Known bad

The file c707e190d65c58e8ea738388879202bc_JC.exe was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula family

Sakula

Sakula payload

Deletes itself

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-12 15:06

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

2023-10-12 15:06

Reported

2023-10-16 09:29

Platform

win7-20230831-en

Max time kernel

150s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe"

Signatures

Sakula

trojan rat 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\c707e190d65c58e8ea738388879202bc_JC.exe N/A

Enumerates physical storage devices

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\c707e190d65c58e8ea738388879202bc_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2752 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2752 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2752 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2752 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2752 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2752 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2752 wrote to memory of 2824 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2752 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2752 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2752 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2752 wrote to memory of 2456 N/A C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2456 wrote to memory of 2500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2456 wrote to memory of 2500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2456 wrote to memory of 2500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2456 wrote to memory of 2500 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe

"C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.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\c707e190d65c58e8ea738388879202bc_JC.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 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 tcp
US 34.41.229.245:80 tcp

Files

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

MD5 ee5e2acce5b8269d5d1386c76b7dd598
SHA1 96e06e64983b4b03cc89b99ba5b49e0a36c27a30
SHA256 c6d08d27e4bef5052c24ea16af65e7160ae08cafa788192d25f7df497a5a1b8b
SHA512 31288a16e7f049524fbb36a6bc72c2b24efb2fbaf33537b9a34b88fd3947db6604b73f03d9a9966f9e2c48f94aa34df0d9afb5deac8915ce2fd28d99a83f9034

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

MD5 ee5e2acce5b8269d5d1386c76b7dd598
SHA1 96e06e64983b4b03cc89b99ba5b49e0a36c27a30
SHA256 c6d08d27e4bef5052c24ea16af65e7160ae08cafa788192d25f7df497a5a1b8b
SHA512 31288a16e7f049524fbb36a6bc72c2b24efb2fbaf33537b9a34b88fd3947db6604b73f03d9a9966f9e2c48f94aa34df0d9afb5deac8915ce2fd28d99a83f9034

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

MD5 ee5e2acce5b8269d5d1386c76b7dd598
SHA1 96e06e64983b4b03cc89b99ba5b49e0a36c27a30
SHA256 c6d08d27e4bef5052c24ea16af65e7160ae08cafa788192d25f7df497a5a1b8b
SHA512 31288a16e7f049524fbb36a6bc72c2b24efb2fbaf33537b9a34b88fd3947db6604b73f03d9a9966f9e2c48f94aa34df0d9afb5deac8915ce2fd28d99a83f9034

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

MD5 ee5e2acce5b8269d5d1386c76b7dd598
SHA1 96e06e64983b4b03cc89b99ba5b49e0a36c27a30
SHA256 c6d08d27e4bef5052c24ea16af65e7160ae08cafa788192d25f7df497a5a1b8b
SHA512 31288a16e7f049524fbb36a6bc72c2b24efb2fbaf33537b9a34b88fd3947db6604b73f03d9a9966f9e2c48f94aa34df0d9afb5deac8915ce2fd28d99a83f9034

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

MD5 ee5e2acce5b8269d5d1386c76b7dd598
SHA1 96e06e64983b4b03cc89b99ba5b49e0a36c27a30
SHA256 c6d08d27e4bef5052c24ea16af65e7160ae08cafa788192d25f7df497a5a1b8b
SHA512 31288a16e7f049524fbb36a6bc72c2b24efb2fbaf33537b9a34b88fd3947db6604b73f03d9a9966f9e2c48f94aa34df0d9afb5deac8915ce2fd28d99a83f9034

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

MD5 ee5e2acce5b8269d5d1386c76b7dd598
SHA1 96e06e64983b4b03cc89b99ba5b49e0a36c27a30
SHA256 c6d08d27e4bef5052c24ea16af65e7160ae08cafa788192d25f7df497a5a1b8b
SHA512 31288a16e7f049524fbb36a6bc72c2b24efb2fbaf33537b9a34b88fd3947db6604b73f03d9a9966f9e2c48f94aa34df0d9afb5deac8915ce2fd28d99a83f9034

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-12 15:06

Reported

2023-10-16 09:29

Platform

win10v2004-20230915-en

Max time kernel

138s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe"

Signatures

Sakula

trojan rat sakula

Sakula payload

Description Indicator Process Target
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-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.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\c707e190d65c58e8ea738388879202bc_JC.exe N/A

Enumerates physical storage devices

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\c707e190d65c58e8ea738388879202bc_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.exe

"C:\Users\Admin\AppData\Local\Temp\c707e190d65c58e8ea738388879202bc_JC.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\c707e190d65c58e8ea738388879202bc_JC.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 121.252.72.23.in-addr.arpa udp
US 8.8.8.8:53 www.savmpet.com udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 245.229.41.34.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

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

MD5 f11fcf193cb46a5207956d471c5e956c
SHA1 39ead670fd276bb2aedd9db3a27effbbadbfcd4d
SHA256 04e14a13cdb90284522b037c7db0d09e4508ec9793b81a5da9d08b7ea3e709a0
SHA512 26e22d92a8903c622f6abdf00025a5842b930bcb223a14ec6169713278aecb7eae4d15f92065e626365c32651c1f50fee3e17e6020f2ab2ce28739736962a26c

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

MD5 f11fcf193cb46a5207956d471c5e956c
SHA1 39ead670fd276bb2aedd9db3a27effbbadbfcd4d
SHA256 04e14a13cdb90284522b037c7db0d09e4508ec9793b81a5da9d08b7ea3e709a0
SHA512 26e22d92a8903c622f6abdf00025a5842b930bcb223a14ec6169713278aecb7eae4d15f92065e626365c32651c1f50fee3e17e6020f2ab2ce28739736962a26c