Malware Analysis Report

2025-01-02 02:50

Sample ID 241202-mqzaka1ldt
Target a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe
SHA256 a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede
Tags
upx 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

a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede

Threat Level: Known bad

The file a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Deletes itself

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 10:40

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-02 10:40

Reported

2024-12-02 10:43

Platform

win7-20241023-en

Max time kernel

144s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2272 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2272 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2272 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2272 wrote to memory of 2316 N/A C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2272 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe C:\Windows\SysWOW64\cmd.exe
PID 2272 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe C:\Windows\SysWOW64\cmd.exe
PID 2272 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe C:\Windows\SysWOW64\cmd.exe
PID 2272 wrote to memory of 2440 N/A C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe C:\Windows\SysWOW64\cmd.exe
PID 2440 wrote to memory of 2672 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2440 wrote to memory of 2672 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2440 wrote to memory of 2672 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2440 wrote to memory of 2672 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe

"C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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/2272-0-0x0000000000AF0000-0x0000000000B0F000-memory.dmp

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

MD5 618d2ef7ec753a9841845af9af723edb
SHA1 48dcfa6e4435d0997857e022e1f001c2357f15ce
SHA256 88fb3cb1c03c3eea3c2a6db0aece24125048b0cc1fc06dfb6533de258e76bd44
SHA512 d84da0308641d5d59f4d8a55ea3bec0012cb484af5a915e307ec0dd2967e4e03ed4536144091f01b44bdff3304f508f8f8743e07c590f54020af354510ace90d

memory/2316-10-0x00000000010F0000-0x000000000110F000-memory.dmp

memory/2272-8-0x00000000000E0000-0x00000000000FF000-memory.dmp

memory/2272-11-0x0000000000AF0000-0x0000000000B0F000-memory.dmp

memory/2272-12-0x00000000000E0000-0x00000000000FF000-memory.dmp

memory/2272-13-0x00000000000E0000-0x00000000000FF000-memory.dmp

memory/2316-15-0x00000000010F0000-0x000000000110F000-memory.dmp

memory/2272-21-0x0000000000AF0000-0x0000000000B0F000-memory.dmp

memory/2316-27-0x00000000010F0000-0x000000000110F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 10:40

Reported

2024-12-02 10:43

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe N/A

UPX packed file

upx
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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.exe

"C:\Users\Admin\AppData\Local\Temp\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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\a3a2931d202c0adfda4e04080b1a601ca7963b842238286dafb052595237eede.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 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa 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
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/1988-0-0x0000000000710000-0x000000000072F000-memory.dmp

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

MD5 ad73ce3ec238e56177478a4fbe70be0e
SHA1 245e19ce3aaaa5c50b891e3e86e00e6339330fdc
SHA256 3212edcc22d4ba555da3fa9c36db8065b723e2a5838c05d908b81a9a1c9037f1
SHA512 8f4a05c9825f206e0d22f89c67b5dce6765ab3cdb4e3e0b1a6cdcefbdd087de11b229c298806e49a94b35a51e45305a4b4e405ad48a4abdec42034ee756ba785

memory/3296-5-0x0000000000DF0000-0x0000000000E0F000-memory.dmp

memory/1988-6-0x0000000000710000-0x000000000072F000-memory.dmp

memory/3296-8-0x0000000000DF0000-0x0000000000E0F000-memory.dmp

memory/1988-13-0x0000000000710000-0x000000000072F000-memory.dmp

memory/3296-18-0x0000000000DF0000-0x0000000000E0F000-memory.dmp