Malware Analysis Report

2025-01-02 02:50

Sample ID 241130-26ptdsykfv
Target e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe
SHA256 e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55
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

e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55

Threat Level: Known bad

The file e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Checks computer location settings

Loads dropped DLL

Deletes itself

Executes dropped EXE

Adds Run key to start application

Unsigned PE

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-30 23:11

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

2024-11-30 23:11

Reported

2024-11-30 23:13

Platform

win7-20240903-en

Max time kernel

96s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2216 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2216 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2216 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2216 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2216 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2216 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2216 wrote to memory of 2056 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 2216 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Windows\SysWOW64\cmd.exe
PID 2216 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Windows\SysWOW64\cmd.exe
PID 2216 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Windows\SysWOW64\cmd.exe
PID 2216 wrote to memory of 2332 N/A C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe C:\Windows\SysWOW64\cmd.exe
PID 2332 wrote to memory of 2652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2332 wrote to memory of 2652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2332 wrote to memory of 2652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2332 wrote to memory of 2652 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe

"C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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 390da2315cbd2e2d5f2c11de2a1a0e25
SHA1 77a4e4f50a29c6952970c708278d9f2995d8554f
SHA256 2a3e4261b7d337f9bea6b776ac711cae5ab7e708389b4efbf84e1574d40e1683
SHA512 2ca27bed8aa51b03f64e05765a81610f931c2a8b56af2a295a95093af8f2df79b20a717a957e4dbfe0d784abd08d7fac3a29bef0f4c72e62b2338d4d2bd94ff1

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-30 23:11

Reported

2024-11-30 23:13

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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\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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.exe

"C:\Users\Admin\AppData\Local\Temp\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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\e9af18f0ab63fcf72ef7074122ab2091794f80b30a9e2c58a692e7f624e39c55N.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 52.34.198.229:80 www.savmpet.com tcp
US 52.34.198.229:80 www.savmpet.com tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 229.198.34.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp
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 8.8.8.8:53 18.31.95.13.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 19.229.111.52.in-addr.arpa udp
US 52.34.198.229:80 www.savmpet.com tcp

Files

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

MD5 1a5df3f785020a2b9580e15830ea4b4b
SHA1 2e85db1a7bb4f649c2c358fdbbcf2d836789bbe9
SHA256 9a990e5ed0c0ff29511153f2a61e787cec5f2b01d9b0b00ef9df14b52ab50aa8
SHA512 436b6763e27c1d3a0f803e459df1dfac2ae07e541ad6552a2d6eedccd577574b1b2aa3d8b1960fd6080cc1d61bb9dddaa92b77dfb84326197edfd525f8a8ae21