Malware Analysis Report

2025-01-02 02:50

Sample ID 241124-vbbjysynhw
Target c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe
SHA256 c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822

Threat Level: Known bad

The file c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Deletes itself

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Adds Run key to start application

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-24 16:48

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: behavioral2

Detonation Overview

Submitted

2024-11-24 16:48

Reported

2024-11-24 16:50

Platform

win10v2004-20241007-en

Max time kernel

96s

Max time network

100s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe

"C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 82.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
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 47bbd4b1c35a0c22579ca6bb69677d30
SHA1 3360835f4face6efcfa7ede89fabc8357f2602cd
SHA256 58e115f3ec70afea2c5fd3cc721746d010fce5e7c6c827d71d08fc1d26e7a134
SHA512 d56f84566e2b0c5057b3136accc780b4671d6687d2dc3d235002e1837d95d87dc12985e460a2234e792825598c83417ac7e339778cb797af1914f44635bb1b3c

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-24 16:48

Reported

2024-11-24 16:50

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1744 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1744 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1744 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1744 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1744 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1744 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1744 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1744 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Windows\SysWOW64\cmd.exe
PID 1744 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Windows\SysWOW64\cmd.exe
PID 1744 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Windows\SysWOW64\cmd.exe
PID 1744 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe C:\Windows\SysWOW64\cmd.exe
PID 2792 wrote to memory of 2708 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2792 wrote to memory of 2708 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2792 wrote to memory of 2708 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2792 wrote to memory of 2708 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.exe

"C:\Users\Admin\AppData\Local\Temp\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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\c893ce32e420e4667034d7e65be8a3274a7b4a39044b08973c5725d43b0b8822N.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

Files

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

MD5 9103883f03f7e7b8db65f2878ffbfa34
SHA1 e931a9bd04e59ab12cc378e7e0f6f1b1a30cded4
SHA256 8a1f2070789e6340e503b351ac2f3b7b52463c1149dcdd6c0dad9c93eaf7872d
SHA512 1a35d1810abef0cc97ea755901f5d465b013ca7e513722dccc8fcb0a9180db8047c0b733904fb2fc09e839f4aca8480e8f8675efa6ff2f52d3b50372e31a38b2