Malware Analysis Report

2024-12-07 22:07

Sample ID 220619-ykh7yachh4
Target 34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b
SHA256 34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b
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

34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b

Threat Level: Known bad

The file 34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula Payload

Sakula

Executes dropped EXE

Checks computer location settings

Deletes itself

Loads dropped DLL

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

2022-06-19 19:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-06-19 19:50

Reported

2022-06-19 20:10

Platform

win7-20220414-en

Max time kernel

150s

Max time network

164s

Command Line

"C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.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\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.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\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1664 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1664 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1664 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1664 wrote to memory of 1668 N/A C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1664 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe C:\Windows\SysWOW64\cmd.exe
PID 1664 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe C:\Windows\SysWOW64\cmd.exe
PID 1664 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe C:\Windows\SysWOW64\cmd.exe
PID 1664 wrote to memory of 1396 N/A C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe C:\Windows\SysWOW64\cmd.exe
PID 1396 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1396 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1396 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1396 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe

"C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.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\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.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
TH 184.22.175.13:80 tcp

Files

memory/1664-54-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

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

MD5 7b4753209010f00b69f2c21bc3d96331
SHA1 14b1e2f198fe9db22278afb908412817c2d5026d
SHA256 bfd5d43af8d180a0752518ac1ef9e0a6fb5f820d7c554edb323a4b89bb24d974
SHA512 22bb3ad6ca8d8e425df73975fde567501267442567bbc2b80992b1a2a5bbbf18a8e5a7443c530963ca126c942524ddc8ddbda289b23fc12522d9bac508809c07

memory/1668-57-0x0000000000000000-mapping.dmp

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

MD5 7b4753209010f00b69f2c21bc3d96331
SHA1 14b1e2f198fe9db22278afb908412817c2d5026d
SHA256 bfd5d43af8d180a0752518ac1ef9e0a6fb5f820d7c554edb323a4b89bb24d974
SHA512 22bb3ad6ca8d8e425df73975fde567501267442567bbc2b80992b1a2a5bbbf18a8e5a7443c530963ca126c942524ddc8ddbda289b23fc12522d9bac508809c07

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

MD5 7b4753209010f00b69f2c21bc3d96331
SHA1 14b1e2f198fe9db22278afb908412817c2d5026d
SHA256 bfd5d43af8d180a0752518ac1ef9e0a6fb5f820d7c554edb323a4b89bb24d974
SHA512 22bb3ad6ca8d8e425df73975fde567501267442567bbc2b80992b1a2a5bbbf18a8e5a7443c530963ca126c942524ddc8ddbda289b23fc12522d9bac508809c07

memory/1664-61-0x0000000000220000-0x000000000023A000-memory.dmp

memory/1668-63-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1664-62-0x0000000000220000-0x000000000023A000-memory.dmp

memory/1664-60-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1396-64-0x0000000000000000-mapping.dmp

memory/1664-65-0x0000000000400000-0x000000000041A000-memory.dmp

memory/328-66-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-06-19 19:50

Reported

2022-06-19 20:11

Platform

win10v2004-20220414-en

Max time kernel

147s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.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\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.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\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe

"C:\Users\Admin\AppData\Local\Temp\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.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\34d77df16932f4fd1470e2f9166ce95c1d4999a8b6cc988c4b711ca14fa51d0b.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 52.182.141.63:443 tcp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 citrix.vipreclod.com udp
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
TH 184.22.175.13:80 tcp

Files

memory/4900-130-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2284-131-0x0000000000000000-mapping.dmp

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

MD5 4adec2eb83d2234a2c499f5470e6e25b
SHA1 db00e9fc90308af620aab0ef1ca1224b69063527
SHA256 fabe205fd79a027a1b8ea56167fbeaab44f293842ad561fb5569ee6b708f7b48
SHA512 66529cffbf79226f9314f87c3cd4c294d3cdf086a8c6b6591137ee8dc26b78a37363093ce0ff56213d5167dbcd120740422fdb415148718c641919dd6ae32cce

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

MD5 4adec2eb83d2234a2c499f5470e6e25b
SHA1 db00e9fc90308af620aab0ef1ca1224b69063527
SHA256 fabe205fd79a027a1b8ea56167fbeaab44f293842ad561fb5569ee6b708f7b48
SHA512 66529cffbf79226f9314f87c3cd4c294d3cdf086a8c6b6591137ee8dc26b78a37363093ce0ff56213d5167dbcd120740422fdb415148718c641919dd6ae32cce

memory/2284-134-0x0000000000400000-0x000000000041A000-memory.dmp

memory/4900-135-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2532-136-0x0000000000000000-mapping.dmp

memory/4900-137-0x0000000000400000-0x000000000041A000-memory.dmp

memory/4332-138-0x0000000000000000-mapping.dmp