Malware Analysis Report

2025-01-02 02:57

Sample ID 220224-m8nlsachc3
Target fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629
SHA256 fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629
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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629

Threat Level: Known bad

The file fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629 was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula

Sakula Payload

Sakula family

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Deletes itself

Adds Run key to start application

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-24 11:08

Signatures

Sakula Payload

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

Sakula family

sakula

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-24 11:08

Reported

2022-02-24 11:10

Platform

win7-20220223-en

Max time kernel

4294210s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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

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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 956 wrote to memory of 1576 N/A C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 956 wrote to memory of 1576 N/A C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 956 wrote to memory of 1576 N/A C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 956 wrote to memory of 1576 N/A C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 956 wrote to memory of 628 N/A C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe C:\Windows\SysWOW64\cmd.exe
PID 956 wrote to memory of 628 N/A C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe C:\Windows\SysWOW64\cmd.exe
PID 956 wrote to memory of 628 N/A C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe C:\Windows\SysWOW64\cmd.exe
PID 956 wrote to memory of 628 N/A C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe C:\Windows\SysWOW64\cmd.exe
PID 628 wrote to memory of 768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 628 wrote to memory of 768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 628 wrote to memory of 768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 628 wrote to memory of 768 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe

"C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/956-54-0x0000000076891000-0x0000000076893000-memory.dmp

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

MD5 18cafd7f58b62c84bad3725b359085d1
SHA1 4f88b68a1bf8275cf9f4b86bff1730582c061eed
SHA256 281e0025c72c26b6e1f1ae8009c5534dd86d0168d0b2f969a27133ca42cad193
SHA512 474ec0a809162c4b4ccabb44bd6a92d93e93d32a2690374ad591194c83c00a09fa33b096007e7adf33ed5c875e209ebe15c79acc474d4d5a39554ba26fc1b05a

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

MD5 18cafd7f58b62c84bad3725b359085d1
SHA1 4f88b68a1bf8275cf9f4b86bff1730582c061eed
SHA256 281e0025c72c26b6e1f1ae8009c5534dd86d0168d0b2f969a27133ca42cad193
SHA512 474ec0a809162c4b4ccabb44bd6a92d93e93d32a2690374ad591194c83c00a09fa33b096007e7adf33ed5c875e209ebe15c79acc474d4d5a39554ba26fc1b05a

memory/956-58-0x0000000000400000-0x0000000000420000-memory.dmp

memory/956-59-0x0000000000230000-0x0000000000250000-memory.dmp

memory/1576-60-0x0000000000400000-0x0000000000420000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-24 11:08

Reported

2022-02-24 11:10

Platform

win10-en-20211208

Max time kernel

139s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe

"C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 52.109.8.20:443 tcp
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

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

MD5 38bbef46cb5cb7e1484d04da8a2f14ee
SHA1 323a4d91837baf17779d5cfd448872c684a2fb68
SHA256 0f092ed2816f919bf4c8cc0942f50462f002b19c047ee675498970e005be880f
SHA512 afbf202492c9bdab972ed556088fc81063bde37c4f3057315a03360fea2ad61f4abf4a4967d2a22537d53dde6705d52834da256f53c6795e64209e0dba4a09c1

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

MD5 38bbef46cb5cb7e1484d04da8a2f14ee
SHA1 323a4d91837baf17779d5cfd448872c684a2fb68
SHA256 0f092ed2816f919bf4c8cc0942f50462f002b19c047ee675498970e005be880f
SHA512 afbf202492c9bdab972ed556088fc81063bde37c4f3057315a03360fea2ad61f4abf4a4967d2a22537d53dde6705d52834da256f53c6795e64209e0dba4a09c1

memory/1984-117-0x0000000000400000-0x0000000000420000-memory.dmp

memory/1620-118-0x0000000000400000-0x0000000000420000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2022-02-24 11:08

Reported

2022-02-24 11:10

Platform

win10v2004-en-20220113

Max time kernel

134s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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

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-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe

"C:\Users\Admin\AppData\Local\Temp\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.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\fb9634f7f285e1b11b44d55c58f0c2e8d14fa5ace58670d8c806b09d6570c629.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 13.107.4.50:80 tcp
US 13.107.4.50:80 tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

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

MD5 02822c0b3f7194ea0d6cc233e513a536
SHA1 bd9046b19ebf78b06c845de9fd43784f78e22f43
SHA256 e1cfebbcf0f83f644b90ef5e35ca72522dd3f698046d8af850e69a41b5b2390f
SHA512 4c118f808353615d517aaf80cd362c3918ac97b79382c39bc6bac101dca7ba4876dd7429dca4107b16e05a9d51bc47d119e66856168f5beb07b68627d381efa0

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

MD5 02822c0b3f7194ea0d6cc233e513a536
SHA1 bd9046b19ebf78b06c845de9fd43784f78e22f43
SHA256 e1cfebbcf0f83f644b90ef5e35ca72522dd3f698046d8af850e69a41b5b2390f
SHA512 4c118f808353615d517aaf80cd362c3918ac97b79382c39bc6bac101dca7ba4876dd7429dca4107b16e05a9d51bc47d119e66856168f5beb07b68627d381efa0

memory/4820-132-0x0000000000400000-0x0000000000420000-memory.dmp

memory/2192-133-0x0000000000400000-0x0000000000420000-memory.dmp