Malware Analysis Report

2025-01-02 02:52

Sample ID 220323-ljl6zsbgd4
Target 6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59
SHA256 6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59
Tags
sakula persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59

Threat Level: Known bad

The file 6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59 was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula Payload

Sakula family

Sakula

Executes dropped EXE

Checks computer location settings

Deletes itself

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-03-23 09:33

Signatures

Sakula Payload

Description Indicator Process Target
N/A N/A N/A N/A

Sakula family

sakula

Analysis: behavioral1

Detonation Overview

Submitted

2022-03-23 09:33

Reported

2022-03-23 09:43

Platform

win7-20220310-en

Max time kernel

4294208s

Max time network

160s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.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\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1988 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1988 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1988 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1988 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1988 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe C:\Windows\SysWOW64\cmd.exe
PID 1988 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe C:\Windows\SysWOW64\cmd.exe
PID 1988 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe C:\Windows\SysWOW64\cmd.exe
PID 1988 wrote to memory of 1340 N/A C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe C:\Windows\SysWOW64\cmd.exe
PID 1340 wrote to memory of 1572 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1340 wrote to memory of 1572 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1340 wrote to memory of 1572 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1340 wrote to memory of 1572 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe

"C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
TH 184.22.175.13:80 tcp

Files

memory/1988-54-0x0000000075931000-0x0000000075933000-memory.dmp

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

MD5 c950039f433654b213131a9c7fb4b13f
SHA1 d124080f811d352a4cc32a611e98e902907720d9
SHA256 62da77283e086cd9960ff764ad53c4e30fea41bca659e3ce0bb3b114f3843048
SHA512 1deee1c715e2e2bf1b6fc522d7d14e667a78127efb9265886a06a0ccfdddeb8a575529dd632d3e7e52658a23cc48a8def41ba5cb62f0694b1b5a50a14bcb506e

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

MD5 c950039f433654b213131a9c7fb4b13f
SHA1 d124080f811d352a4cc32a611e98e902907720d9
SHA256 62da77283e086cd9960ff764ad53c4e30fea41bca659e3ce0bb3b114f3843048
SHA512 1deee1c715e2e2bf1b6fc522d7d14e667a78127efb9265886a06a0ccfdddeb8a575529dd632d3e7e52658a23cc48a8def41ba5cb62f0694b1b5a50a14bcb506e

memory/1992-57-0x0000000000000000-mapping.dmp

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

MD5 c950039f433654b213131a9c7fb4b13f
SHA1 d124080f811d352a4cc32a611e98e902907720d9
SHA256 62da77283e086cd9960ff764ad53c4e30fea41bca659e3ce0bb3b114f3843048
SHA512 1deee1c715e2e2bf1b6fc522d7d14e667a78127efb9265886a06a0ccfdddeb8a575529dd632d3e7e52658a23cc48a8def41ba5cb62f0694b1b5a50a14bcb506e

memory/1340-60-0x0000000000000000-mapping.dmp

memory/1572-61-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-03-23 09:33

Reported

2022-03-23 09:44

Platform

win10v2004-20220310-en

Max time kernel

151s

Max time network

172s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.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\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.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\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe

"C:\Users\Admin\AppData\Local\Temp\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\6d9e844f3b138da311b2bcc78ebc006042ac59075077f56dd9d52d21578caf59.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
NL 8.248.1.254:80 tcp
NL 8.248.1.254:80 tcp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 crl4.digicert.com udp
US 93.184.220.29:80 crl4.digicert.com tcp
US 8.8.8.8:53 licensing.mp.microsoft.com udp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
US 8.8.8.8:53 storesdk.dsx.mp.microsoft.com udp
NL 104.80.225.205:443 storesdk.dsx.mp.microsoft.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 20.96.63.25:443 licensing.mp.microsoft.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 93.184.220.29:80 crl4.digicert.com tcp
US 93.184.220.29:80 crl4.digicert.com tcp
TH 184.22.175.13:80 tcp

Files

memory/2296-134-0x0000000000000000-mapping.dmp

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

MD5 4c5dcf6e8b2dbc081aa3910837681ef9
SHA1 c8492f06b5c8a7cdfb08da58fead2893f90aff6b
SHA256 75d660f15c0e6a145f37456bb6a0e0dae4f5d5c56b37569fc9f0bf34ed6a9840
SHA512 3e6cef51f92fe68a8b5682714b3dc56db86d4c2d18ccc7f6b9a46b5c4246a9c0bdb47bcda0f60e1bdf684db5e80ba30dff233f0f36ba9248c13fdf942d9b9fd3

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

MD5 4c5dcf6e8b2dbc081aa3910837681ef9
SHA1 c8492f06b5c8a7cdfb08da58fead2893f90aff6b
SHA256 75d660f15c0e6a145f37456bb6a0e0dae4f5d5c56b37569fc9f0bf34ed6a9840
SHA512 3e6cef51f92fe68a8b5682714b3dc56db86d4c2d18ccc7f6b9a46b5c4246a9c0bdb47bcda0f60e1bdf684db5e80ba30dff233f0f36ba9248c13fdf942d9b9fd3

memory/2308-137-0x0000000000000000-mapping.dmp

memory/3568-138-0x0000000000000000-mapping.dmp