Malware Analysis Report

2024-12-07 22:09

Sample ID 221007-hsmbkabgf9
Target 10fa04bbf25570d83c37d5b7008fe85d
SHA256 e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54
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

e84e3f69364a3aa00fee5e5f24744d77ac01c026b004756ca65e19a891f4de54

Threat Level: Known bad

The file 10fa04bbf25570d83c37d5b7008fe85d was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula

Sakula payload

Sakula family

Executes dropped EXE

Loads dropped DLL

Deletes itself

Checks computer location settings

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

2022-10-07 07:00

Signatures

Sakula family

sakula

Sakula payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-07 07:00

Reported

2022-10-07 07:02

Platform

win7-20220901-en

Max time kernel

108s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.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\10fa04bbf25570d83c37d5b7008fe85d.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\10fa04bbf25570d83c37d5b7008fe85d.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1768 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1768 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1768 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1768 wrote to memory of 1252 N/A C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1768 wrote to memory of 1580 N/A C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe C:\Windows\SysWOW64\cmd.exe
PID 1768 wrote to memory of 1580 N/A C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe C:\Windows\SysWOW64\cmd.exe
PID 1768 wrote to memory of 1580 N/A C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe C:\Windows\SysWOW64\cmd.exe
PID 1768 wrote to memory of 1580 N/A C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe C:\Windows\SysWOW64\cmd.exe
PID 1580 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1580 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1580 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1580 wrote to memory of 1512 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe

"C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.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\10fa04bbf25570d83c37d5b7008fe85d.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/1768-54-0x0000000075931000-0x0000000075933000-memory.dmp

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

MD5 8322dd20cb7fb9c947d5de64410c53f8
SHA1 20697eb8efd91c68804373142bb762dfb04d4d2b
SHA256 ebdf1d16944d9096aa0779975ef8783f1f4b698dd6e88c85c2a80e6465a68dd9
SHA512 a787c9539c436fa10b7387cc29b3a8cb931eb3121d761575f2625607a140a55a4bf088ce02f4da612f27303f308e98d403d269c8a06b923e816b0e991577cd0f

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

MD5 8322dd20cb7fb9c947d5de64410c53f8
SHA1 20697eb8efd91c68804373142bb762dfb04d4d2b
SHA256 ebdf1d16944d9096aa0779975ef8783f1f4b698dd6e88c85c2a80e6465a68dd9
SHA512 a787c9539c436fa10b7387cc29b3a8cb931eb3121d761575f2625607a140a55a4bf088ce02f4da612f27303f308e98d403d269c8a06b923e816b0e991577cd0f

memory/1252-57-0x0000000000000000-mapping.dmp

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

MD5 8322dd20cb7fb9c947d5de64410c53f8
SHA1 20697eb8efd91c68804373142bb762dfb04d4d2b
SHA256 ebdf1d16944d9096aa0779975ef8783f1f4b698dd6e88c85c2a80e6465a68dd9
SHA512 a787c9539c436fa10b7387cc29b3a8cb931eb3121d761575f2625607a140a55a4bf088ce02f4da612f27303f308e98d403d269c8a06b923e816b0e991577cd0f

memory/1580-60-0x0000000000000000-mapping.dmp

memory/1512-61-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-07 07:00

Reported

2022-10-07 07:02

Platform

win10v2004-20220812-en

Max time kernel

121s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.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\10fa04bbf25570d83c37d5b7008fe85d.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\10fa04bbf25570d83c37d5b7008fe85d.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\10fa04bbf25570d83c37d5b7008fe85d.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.exe

"C:\Users\Admin\AppData\Local\Temp\10fa04bbf25570d83c37d5b7008fe85d.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\10fa04bbf25570d83c37d5b7008fe85d.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 8.252.118.126:80 tcp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 93.184.220.29:80 tcp
US 93.184.220.29:80 tcp
US 8.252.118.126:80 tcp
US 8.253.209.121:80 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
TH 184.22.175.13:80 tcp

Files

memory/1304-132-0x0000000000000000-mapping.dmp

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

MD5 77719122bb497f01b4cc6c1a02e9c894
SHA1 b19a9f9502ce8c50bb5bcb8a926b89be29b1e9c5
SHA256 24ae1f2c41fbdcb93315414892600236d83c0b4e96dac299f3a89d05c3e73202
SHA512 f76765230987bce5951f714cb22b80e80250eb41a13c5cf598ccb5d665be45f7b0551219e2d7a415fc27e92004dca6ff38a6a6c534e6fb4bc886777473d2535a

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

MD5 77719122bb497f01b4cc6c1a02e9c894
SHA1 b19a9f9502ce8c50bb5bcb8a926b89be29b1e9c5
SHA256 24ae1f2c41fbdcb93315414892600236d83c0b4e96dac299f3a89d05c3e73202
SHA512 f76765230987bce5951f714cb22b80e80250eb41a13c5cf598ccb5d665be45f7b0551219e2d7a415fc27e92004dca6ff38a6a6c534e6fb4bc886777473d2535a

memory/3740-135-0x0000000000000000-mapping.dmp

memory/900-136-0x0000000000000000-mapping.dmp