Malware Analysis Report

2024-12-07 22:10

Sample ID 221012-tcwe3sacbm
Target 17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840
SHA256 17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840
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

17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840

Threat Level: Known bad

The file 17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840 was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula

Sakula family

Sakula payload

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Deletes itself

Adds Run key to start application

Enumerates physical storage devices

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-10-12 15:55

Signatures

Sakula family

sakula

Sakula payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-12 15:55

Reported

2022-10-12 15:58

Platform

win7-20220812-en

Max time kernel

109s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.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\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.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\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1044 wrote to memory of 836 N/A C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1044 wrote to memory of 836 N/A C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1044 wrote to memory of 836 N/A C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1044 wrote to memory of 836 N/A C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1044 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe C:\Windows\SysWOW64\cmd.exe
PID 1044 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe C:\Windows\SysWOW64\cmd.exe
PID 1044 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe C:\Windows\SysWOW64\cmd.exe
PID 1044 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe C:\Windows\SysWOW64\cmd.exe
PID 1408 wrote to memory of 600 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1408 wrote to memory of 600 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1408 wrote to memory of 600 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1408 wrote to memory of 600 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe

"C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.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\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.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/1044-54-0x0000000075071000-0x0000000075073000-memory.dmp

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

MD5 c5fdacc8a1cf3b8d03bca09aaa6cbe55
SHA1 6ceaef9684aac559b9fc5f458dc4d8bda5af9339
SHA256 f82c499b370b7e6f928cbe812fd957939aef71bf06d7ee9c93608ce7c2992d13
SHA512 591ce244342664617d86eb21eca645a3c96d18140f683cf2c875cd04c9f5994932ed7d3e2e7b8f4cca8e216cf6951c6b7f863f4b950d15a99c046b7f53ed8c22

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

MD5 c5fdacc8a1cf3b8d03bca09aaa6cbe55
SHA1 6ceaef9684aac559b9fc5f458dc4d8bda5af9339
SHA256 f82c499b370b7e6f928cbe812fd957939aef71bf06d7ee9c93608ce7c2992d13
SHA512 591ce244342664617d86eb21eca645a3c96d18140f683cf2c875cd04c9f5994932ed7d3e2e7b8f4cca8e216cf6951c6b7f863f4b950d15a99c046b7f53ed8c22

memory/836-57-0x0000000000000000-mapping.dmp

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

MD5 c5fdacc8a1cf3b8d03bca09aaa6cbe55
SHA1 6ceaef9684aac559b9fc5f458dc4d8bda5af9339
SHA256 f82c499b370b7e6f928cbe812fd957939aef71bf06d7ee9c93608ce7c2992d13
SHA512 591ce244342664617d86eb21eca645a3c96d18140f683cf2c875cd04c9f5994932ed7d3e2e7b8f4cca8e216cf6951c6b7f863f4b950d15a99c046b7f53ed8c22

memory/1408-60-0x0000000000000000-mapping.dmp

memory/600-61-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-12 15:55

Reported

2022-10-12 15:58

Platform

win10v2004-20220812-en

Max time kernel

152s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.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\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.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\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.exe

"C:\Users\Admin\AppData\Local\Temp\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.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\17476f474d95d147ae8d26d506cd624b13cebdb3124515c6d2bdcf31c5187840.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
US 8.253.225.254:80 tcp
US 8.253.225.254:80 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 8.8.8.8:53 164.2.77.40.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 106.89.54.20.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 6.9.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.3.0.4.0.0.3.0.1.3.0.6.2.ip6.arpa udp
TH 184.22.175.13:80 tcp
US 20.42.72.131:443 tcp

Files

memory/1048-132-0x0000000000000000-mapping.dmp

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

MD5 178419397572d9735bd996e58616622d
SHA1 e056055617c4b064f890e76564c6d02e86c2c891
SHA256 323e8e09f5018419736372d60249e62f67950086997056b3da9b47b2039a0087
SHA512 c3b07921bd386e6600a2a577392bcd19b7cdf647748b8331a19fae6c07ffa64a449e321e3bd20d9fad6cb570f8687f67f883fb476afce53819be75afd261a487

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

MD5 178419397572d9735bd996e58616622d
SHA1 e056055617c4b064f890e76564c6d02e86c2c891
SHA256 323e8e09f5018419736372d60249e62f67950086997056b3da9b47b2039a0087
SHA512 c3b07921bd386e6600a2a577392bcd19b7cdf647748b8331a19fae6c07ffa64a449e321e3bd20d9fad6cb570f8687f67f883fb476afce53819be75afd261a487

memory/4228-135-0x0000000000000000-mapping.dmp

memory/2060-136-0x0000000000000000-mapping.dmp