Malware Analysis Report

2025-01-02 02:49

Sample ID 241125-1en74stqhk
Target 3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c
SHA256 3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c
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

3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c

Threat Level: Known bad

The file 3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Deletes itself

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Runs ping.exe

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-25 21:33

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

2024-11-25 21:33

Reported

2024-11-25 21:36

Platform

win7-20241010-en

Max time kernel

129s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1900 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1900 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1900 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1900 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1900 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1900 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1900 wrote to memory of 1084 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1900 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Windows\SysWOW64\cmd.exe
PID 1900 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Windows\SysWOW64\cmd.exe
PID 1900 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Windows\SysWOW64\cmd.exe
PID 1900 wrote to memory of 2988 N/A C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe C:\Windows\SysWOW64\cmd.exe
PID 2988 wrote to memory of 2164 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2988 wrote to memory of 2164 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2988 wrote to memory of 2164 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2988 wrote to memory of 2164 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe

"C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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 4691d3a53e9363adf6593e6084216808
SHA1 729b677c241d010addaf6e970ad1cc7e1723a785
SHA256 680f36e9ce9b0b8ad7aff15ba0c85525846f7af9405a8a508a96c51db940dad6
SHA512 fa2dd6beedd79e9fad5c65b836796349b2023b9fdeddc227fbabb14a6b75db918b548289ee5d08a8782feb4a1b432ede6e0fc186919b923f820a439e60697903

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-25 21:33

Reported

2024-11-25 21:36

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.exe

"C:\Users\Admin\AppData\Local\Temp\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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\3c582818609acaadc82ecd99f2a457dcbb0823e21f4023e121b05f8cbc63fe0c.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 8.8.8.8:53 209.205.72.20.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 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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 8.8.8.8:53 172.214.232.199.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 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 udp

Files

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

MD5 47abe0fade2d8482b0bed78215a17acb
SHA1 3967aca5eae4f8b8519317916cb15bbfa967fccc
SHA256 4b8b11c30cce8f4d9fb31c3bd5ac8aac68e1884a1675c3f19abd7f3d090a2d3b
SHA512 323ca2361a94ba6e1ef87be86adc191089b12e6381dd046e3d5700abbf8aee897ded273afb85e4f2091c16a42ebcf6f344c506a556c83add909b9c2024f3d8d0