Malware Analysis Report

2024-11-13 18:44

Sample ID 231011-1pk87see2x
Target 82b565fa498294072fe2935c5f222301_JC.exe
SHA256 39695dc410cc3fc588b1bb1623051485ceca6bf0f945ffd75cd5346b0d387095
Tags
sakula 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

39695dc410cc3fc588b1bb1623051485ceca6bf0f945ffd75cd5346b0d387095

Threat Level: Known bad

The file 82b565fa498294072fe2935c5f222301_JC.exe was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula payload

Sakula family

Sakula

Checks computer location settings

Deletes itself

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-11 21:49

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

2023-10-11 21:49

Reported

2023-10-12 17:37

Platform

win7-20230831-en

Max time kernel

132s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.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

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\82b565fa498294072fe2935c5f222301_JC.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\82b565fa498294072fe2935c5f222301_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1512 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1512 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1512 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1512 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1512 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1512 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1512 wrote to memory of 1672 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1512 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 1512 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 1512 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 1512 wrote to memory of 2804 N/A C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2804 wrote to memory of 2876 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2804 wrote to memory of 2876 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2804 wrote to memory of 2876 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2804 wrote to memory of 2876 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe

"C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.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\82b565fa498294072fe2935c5f222301_JC.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 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp

Files

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

MD5 64a3c31a5d6b4c0fab76c08c3c83740b
SHA1 ad6002eebac5a24064979f82ecffc316edd13d5b
SHA256 68cfc7eb269d298ee01fa9bcf4b9b59cbff2dbacc2868e8d7eda126a0a08fe94
SHA512 829305e370c53804c54b17e0dfa9da31e1468a5ecf8ed7264018f364c79623ba042e613e2333ef2eed69364cb0b5dab0ce9f1efc055a6d4de18e1a9a431be043

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

MD5 64a3c31a5d6b4c0fab76c08c3c83740b
SHA1 ad6002eebac5a24064979f82ecffc316edd13d5b
SHA256 68cfc7eb269d298ee01fa9bcf4b9b59cbff2dbacc2868e8d7eda126a0a08fe94
SHA512 829305e370c53804c54b17e0dfa9da31e1468a5ecf8ed7264018f364c79623ba042e613e2333ef2eed69364cb0b5dab0ce9f1efc055a6d4de18e1a9a431be043

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

MD5 64a3c31a5d6b4c0fab76c08c3c83740b
SHA1 ad6002eebac5a24064979f82ecffc316edd13d5b
SHA256 68cfc7eb269d298ee01fa9bcf4b9b59cbff2dbacc2868e8d7eda126a0a08fe94
SHA512 829305e370c53804c54b17e0dfa9da31e1468a5ecf8ed7264018f364c79623ba042e613e2333ef2eed69364cb0b5dab0ce9f1efc055a6d4de18e1a9a431be043

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

MD5 64a3c31a5d6b4c0fab76c08c3c83740b
SHA1 ad6002eebac5a24064979f82ecffc316edd13d5b
SHA256 68cfc7eb269d298ee01fa9bcf4b9b59cbff2dbacc2868e8d7eda126a0a08fe94
SHA512 829305e370c53804c54b17e0dfa9da31e1468a5ecf8ed7264018f364c79623ba042e613e2333ef2eed69364cb0b5dab0ce9f1efc055a6d4de18e1a9a431be043

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

MD5 64a3c31a5d6b4c0fab76c08c3c83740b
SHA1 ad6002eebac5a24064979f82ecffc316edd13d5b
SHA256 68cfc7eb269d298ee01fa9bcf4b9b59cbff2dbacc2868e8d7eda126a0a08fe94
SHA512 829305e370c53804c54b17e0dfa9da31e1468a5ecf8ed7264018f364c79623ba042e613e2333ef2eed69364cb0b5dab0ce9f1efc055a6d4de18e1a9a431be043

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

MD5 64a3c31a5d6b4c0fab76c08c3c83740b
SHA1 ad6002eebac5a24064979f82ecffc316edd13d5b
SHA256 68cfc7eb269d298ee01fa9bcf4b9b59cbff2dbacc2868e8d7eda126a0a08fe94
SHA512 829305e370c53804c54b17e0dfa9da31e1468a5ecf8ed7264018f364c79623ba042e613e2333ef2eed69364cb0b5dab0ce9f1efc055a6d4de18e1a9a431be043

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-11 21:49

Reported

2023-10-12 17:38

Platform

win10v2004-20230915-en

Max time kernel

152s

Max time network

163s

Command Line

"C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.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\82b565fa498294072fe2935c5f222301_JC.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\82b565fa498294072fe2935c5f222301_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.exe

"C:\Users\Admin\AppData\Local\Temp\82b565fa498294072fe2935c5f222301_JC.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\82b565fa498294072fe2935c5f222301_JC.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 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 www.savmpet.com udp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 245.229.41.34.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 254.211.247.8.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 85.65.42.20.in-addr.arpa udp

Files

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

MD5 95abee92b145c342fdb9a98777e9d00b
SHA1 ab062644b4688d98f9b1ab7bf0989c92d46f1fab
SHA256 2099c6a7a61813856e05b7ab2d9c1f2f13bcb0383ea489f00b89255021ceab39
SHA512 3ab6dee3bc998d54d2ba6d2937bd3c775a4b671a7ca0e046f30e84824b07ef4479b1125f80ab73acbbae6eb72a11acebea03cd8b4de5719247e969daf25d0b9f

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

MD5 95abee92b145c342fdb9a98777e9d00b
SHA1 ab062644b4688d98f9b1ab7bf0989c92d46f1fab
SHA256 2099c6a7a61813856e05b7ab2d9c1f2f13bcb0383ea489f00b89255021ceab39
SHA512 3ab6dee3bc998d54d2ba6d2937bd3c775a4b671a7ca0e046f30e84824b07ef4479b1125f80ab73acbbae6eb72a11acebea03cd8b4de5719247e969daf25d0b9f