Malware Analysis Report

2025-01-02 02:49

Sample ID 241127-kakfcsvrfs
Target 4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe
SHA256 4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7
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

4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7

Threat Level: Known bad

The file 4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula payload

Sakula

Deletes itself

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Unsigned PE

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-27 08:23

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

2024-11-27 08:23

Reported

2024-11-27 08:26

Platform

win7-20240903-en

Max time kernel

130s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3056 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3056 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3056 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3056 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3056 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3056 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3056 wrote to memory of 2312 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 3056 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Windows\SysWOW64\cmd.exe
PID 3056 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Windows\SysWOW64\cmd.exe
PID 3056 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Windows\SysWOW64\cmd.exe
PID 3056 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe C:\Windows\SysWOW64\cmd.exe
PID 2632 wrote to memory of 2780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2632 wrote to memory of 2780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2632 wrote to memory of 2780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2632 wrote to memory of 2780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe

"C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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

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

MD5 d60975367d1e59c37c483100ccea1d95
SHA1 3b5df0d029cbc8a28983a3b668ea2f5a756fc0f2
SHA256 aac70dd8d92ba3a917762560f971c1b641b8e47e34d00556f6e8b0955ce592ab
SHA512 a4f704361b78a0bfc51159ee37e0f245ca49bce4bef0a9cc2f578bf3d7b6530d6a81caaadb6b584e05c535db33262a96036eb4b7f23ec96a449c1400c65ac927

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-27 08:23

Reported

2024-11-27 08:26

Platform

win10v2004-20241007-en

Max time kernel

125s

Max time network

134s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\PING.EXE N/A
N/A N/A C:\Windows\SysWOW64\cmd.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.exe

"C:\Users\Admin\AppData\Local\Temp\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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\4ed7e6bf17440461e533b2e01b555ba3362b647b2bc861eecb37920951a690d7.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 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.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 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 24.139.73.23.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 88.210.23.2.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 21.236.111.52.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 d19a2746416f3ca359246324ab262d4b
SHA1 9657d094a344e91eb74a1ee2401518b50510b7bf
SHA256 2c7f2721303ac54672e72835b8645d75f8586f60b4f76964ddbcbe6d9b4fd79b
SHA512 b8acf191a6da0e9f58d3aefefcd54e4aaeb834fa310d314095cc7c7f2db1fbc3b842e7d1f4f35f43fcd220ba929616197193a9e6afbe4e76ad7d66878c68958f