Malware Analysis Report

2024-12-07 22:10

Sample ID 221004-crvzesghdj
Target AdobeUpdate.exe
SHA256 a5d25002ba7d08323ce4ede59de27c45edf7f0284b70f51f1128972cb6266e2c
Tags
sakula persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

a5d25002ba7d08323ce4ede59de27c45edf7f0284b70f51f1128972cb6266e2c

Threat Level: Known bad

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

Malicious Activity Summary

sakula persistence rat trojan

Sakula family

Sakula payload

Sakula

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Deletes itself

Adds Run key to start application

Enumerates physical storage devices

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-04 02:19

Signatures

Sakula family

sakula

Sakula payload

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-04 02:19

Reported

2022-10-04 02:21

Platform

win7-20220901-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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\AdobeUpdate.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\AdobeUpdate.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1464 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1464 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1464 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1464 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1464 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1464 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1464 wrote to memory of 1528 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1464 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Windows\SysWOW64\cmd.exe
PID 1464 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Windows\SysWOW64\cmd.exe
PID 1464 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Windows\SysWOW64\cmd.exe
PID 1464 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Windows\SysWOW64\cmd.exe
PID 1464 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Windows\SysWOW64\cmd.exe
PID 1464 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Windows\SysWOW64\cmd.exe
PID 1464 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.exe C:\Windows\SysWOW64\cmd.exe
PID 1676 wrote to memory of 2000 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1676 wrote to memory of 2000 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1676 wrote to memory of 2000 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1676 wrote to memory of 2000 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1676 wrote to memory of 2000 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1676 wrote to memory of 2000 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1676 wrote to memory of 2000 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

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

"C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.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\AdobeUpdate.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
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp

Files

memory/1464-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

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

MD5 e51fbb7286b99cfaed5ca4c37f5802e2
SHA1 6ee81da2752c3e81a0b42cf07558906ba4688a58
SHA256 08aeb96d97592a82c997a57d209f2603f1f88e58445f163abad94902b8fc584d
SHA512 383db6375fda0d5cb70394e8effa37bc300495a929762d62eefa42c2668b4ba07f0d892b72de49261d78abde437c1afc931b045696a8702a8f1e21184cf4ece4

memory/1528-56-0x0000000000000000-mapping.dmp

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

MD5 e51fbb7286b99cfaed5ca4c37f5802e2
SHA1 6ee81da2752c3e81a0b42cf07558906ba4688a58
SHA256 08aeb96d97592a82c997a57d209f2603f1f88e58445f163abad94902b8fc584d
SHA512 383db6375fda0d5cb70394e8effa37bc300495a929762d62eefa42c2668b4ba07f0d892b72de49261d78abde437c1afc931b045696a8702a8f1e21184cf4ece4

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

MD5 e51fbb7286b99cfaed5ca4c37f5802e2
SHA1 6ee81da2752c3e81a0b42cf07558906ba4688a58
SHA256 08aeb96d97592a82c997a57d209f2603f1f88e58445f163abad94902b8fc584d
SHA512 383db6375fda0d5cb70394e8effa37bc300495a929762d62eefa42c2668b4ba07f0d892b72de49261d78abde437c1afc931b045696a8702a8f1e21184cf4ece4

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

MD5 e51fbb7286b99cfaed5ca4c37f5802e2
SHA1 6ee81da2752c3e81a0b42cf07558906ba4688a58
SHA256 08aeb96d97592a82c997a57d209f2603f1f88e58445f163abad94902b8fc584d
SHA512 383db6375fda0d5cb70394e8effa37bc300495a929762d62eefa42c2668b4ba07f0d892b72de49261d78abde437c1afc931b045696a8702a8f1e21184cf4ece4

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

MD5 e51fbb7286b99cfaed5ca4c37f5802e2
SHA1 6ee81da2752c3e81a0b42cf07558906ba4688a58
SHA256 08aeb96d97592a82c997a57d209f2603f1f88e58445f163abad94902b8fc584d
SHA512 383db6375fda0d5cb70394e8effa37bc300495a929762d62eefa42c2668b4ba07f0d892b72de49261d78abde437c1afc931b045696a8702a8f1e21184cf4ece4

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

MD5 e51fbb7286b99cfaed5ca4c37f5802e2
SHA1 6ee81da2752c3e81a0b42cf07558906ba4688a58
SHA256 08aeb96d97592a82c997a57d209f2603f1f88e58445f163abad94902b8fc584d
SHA512 383db6375fda0d5cb70394e8effa37bc300495a929762d62eefa42c2668b4ba07f0d892b72de49261d78abde437c1afc931b045696a8702a8f1e21184cf4ece4

memory/1676-63-0x0000000000000000-mapping.dmp

memory/2000-65-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-04 02:19

Reported

2022-10-04 02:22

Platform

win10v2004-20220812-en

Max time kernel

112s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\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\AdobeUpdate.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\AdobeUpdate.exe N/A

Processes

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

"C:\Users\Admin\AppData\Local\Temp\AdobeUpdate.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\AdobeUpdate.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
BE 35.205.61.67:80 www.savmpet.com tcp
US 93.184.220.29:80 tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 8.238.111.126:80 tcp
BE 8.238.111.126:80 tcp
BE 35.205.61.67:80 www.savmpet.com tcp
BE 35.205.61.67:80 www.savmpet.com tcp

Files

memory/4788-132-0x0000000000000000-mapping.dmp

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

MD5 a618833e9d2602e39c386e7e0bdb4e10
SHA1 ab6c1648d3eac2c2c43178e72bfccd006d1d4fe8
SHA256 50ad6c1f8ad2f407b96b5897883ce0fea09a2959f146a321527b5976da10f37f
SHA512 e3f35cbb45b25308e944b488579a42522ed91d542e2be7b3b926c3e98830d153d7af7b14dc75559d2de16a6f3c9c7766c62610d7e5790a0426a721d37feaba10

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

MD5 a618833e9d2602e39c386e7e0bdb4e10
SHA1 ab6c1648d3eac2c2c43178e72bfccd006d1d4fe8
SHA256 50ad6c1f8ad2f407b96b5897883ce0fea09a2959f146a321527b5976da10f37f
SHA512 e3f35cbb45b25308e944b488579a42522ed91d542e2be7b3b926c3e98830d153d7af7b14dc75559d2de16a6f3c9c7766c62610d7e5790a0426a721d37feaba10

memory/2232-135-0x0000000000000000-mapping.dmp

memory/3416-136-0x0000000000000000-mapping.dmp