Malware Analysis Report

2024-12-07 22:05

Sample ID 241117-wjyj5azlfr
Target 596dea529785d7747a3270a717a9a3c167e1f01e.exe
SHA256 0cbb5e112654c75d39beb00b12f773b7ea44931b6524f8071bdedd91eb7e8efb
Tags
sakula discovery persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

0cbb5e112654c75d39beb00b12f773b7ea44931b6524f8071bdedd91eb7e8efb

Threat Level: Known bad

The file 596dea529785d7747a3270a717a9a3c167e1f01e.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Loads dropped DLL

Executes dropped EXE

Deletes itself

Checks computer location settings

Adds Run key to start application

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

Unsigned PE

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 17:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 17:57

Reported

2024-11-17 18:00

Platform

win7-20241010-en

Max time kernel

141s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe 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\596dea529785d7747a3270a717a9a3c167e1f01e.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

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\596dea529785d7747a3270a717a9a3c167e1f01e.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1528 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1528 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1528 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1528 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1528 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe C:\Windows\SysWOW64\cmd.exe
PID 1528 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe C:\Windows\SysWOW64\cmd.exe
PID 1528 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe C:\Windows\SysWOW64\cmd.exe
PID 1528 wrote to memory of 2908 N/A C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe C:\Windows\SysWOW64\cmd.exe
PID 2908 wrote to memory of 2968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2908 wrote to memory of 2968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2908 wrote to memory of 2968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2908 wrote to memory of 2968 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe

"C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.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\596dea529785d7747a3270a717a9a3c167e1f01e.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
TH 184.22.175.13:80 tcp

Files

memory/1528-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 75c3ae0f3bf2fefcfedc85be48063bd2
SHA1 ffba2b40504a854e442688e17f7bda4b30c663ec
SHA256 4dd29a220e47f54e17a1095ab75f01a363e650865344907b658e89747857ebe2
SHA512 88a4aefcb965f1e4e92e940f37e92db146f8554f2da3ccb84c2dec08232a1a56e13d6ddf1be868ccb2279e57ad935c149de19ec1e91b0ea99b10b7ec3cdc28bb

memory/1528-11-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2360-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1528-9-0x0000000000220000-0x000000000023A000-memory.dmp

memory/1528-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1528-13-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2360-14-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1528-22-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2360-25-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 17:57

Reported

2024-11-17 18:00

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe 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\596dea529785d7747a3270a717a9a3c167e1f01e.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

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\596dea529785d7747a3270a717a9a3c167e1f01e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.exe

"C:\Users\Admin\AppData\Local\Temp\596dea529785d7747a3270a717a9a3c167e1f01e.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\596dea529785d7747a3270a717a9a3c167e1f01e.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa 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/1256-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 f5c20939bb47f35c80f4b54eb588e3b1
SHA1 0ac7eeabd15e5deb50b54fed5579187dc926cdf1
SHA256 d09815f8c7c071b543a700dd47056e4656df1ffc1babdc868580ef52e4665199
SHA512 716b49ed2194a28cb182d08810a44fa6993348942601fb87a1c22621493a6ef67285dd82b59cb3a524cd21fb50235a54cc787855b5cd325546954b9d4636be33

memory/1500-4-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1256-6-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1500-8-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1256-14-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1500-19-0x0000000000400000-0x000000000041A000-memory.dmp