Malware Analysis Report

2025-01-02 02:50

Sample ID 241202-bfg3ra1nat
Target 3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe
SHA256 3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5
Tags
sakula discovery persistence rat trojan upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5

Threat Level: Known bad

The file 3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan upx

Sakula

Sakula payload

Sakula family

Executes dropped EXE

Deletes itself

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

UPX packed file

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 01:05

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: behavioral2

Detonation Overview

Submitted

2024-12-02 01:05

Reported

2024-12-02 01:07

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe

"C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.160.190.20.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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.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 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/3020-0-0x0000000000F50000-0x0000000000F6F000-memory.dmp

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

MD5 368d2fe3a9d7d76d09c2cd71564a0c48
SHA1 d36ca88d8b25044dbee59fff9f8e4f3e5c61b06d
SHA256 5963a87a8de8448b3a8546d27a17b8c989ccafda29fdff385825c45de4a0cb29
SHA512 0a77a7f68e4ed62152d8603ccd66d5eb198f0a91ab388cc97b3a2652692a22d0774fa451116ff47aa81e155ea33b5a84ecbbf32f81a6ee55226c4c74078cd342

memory/3872-4-0x00000000005A0000-0x00000000005BF000-memory.dmp

memory/3020-6-0x0000000000F50000-0x0000000000F6F000-memory.dmp

memory/3872-8-0x00000000005A0000-0x00000000005BF000-memory.dmp

memory/3020-14-0x0000000000F50000-0x0000000000F6F000-memory.dmp

memory/3872-19-0x00000000005A0000-0x00000000005BF000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-02 01:05

Reported

2024-12-02 01:07

Platform

win7-20240729-en

Max time kernel

119s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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\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\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.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\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2704 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2704 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2704 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2704 wrote to memory of 2788 N/A C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2704 wrote to memory of 580 N/A C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe C:\Windows\SysWOW64\cmd.exe
PID 2704 wrote to memory of 580 N/A C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe C:\Windows\SysWOW64\cmd.exe
PID 2704 wrote to memory of 580 N/A C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe C:\Windows\SysWOW64\cmd.exe
PID 2704 wrote to memory of 580 N/A C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe C:\Windows\SysWOW64\cmd.exe
PID 580 wrote to memory of 592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 580 wrote to memory of 592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 580 wrote to memory of 592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 580 wrote to memory of 592 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.exe

"C:\Users\Admin\AppData\Local\Temp\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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\3f2724f608e6aedd22fcd0140f70c82b6997fd721560fb58733a7b05544c8ed5N.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/2704-0-0x0000000000950000-0x000000000096F000-memory.dmp

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

MD5 38d97bf6ab55bae2f82cca70157f0ca0
SHA1 af06a30fb9952a2e53febe125782545096377493
SHA256 8ee963d1bf0f72961b7ae3782694415b14ed4e514f19d2831b4586fa06d63704
SHA512 695ea8fcf27be509d7684fb3c0a1d5fd3d122fd11a4174f537d37c0043eb96c9cdb79f000c5d0b0a846ea16a895b109bb8968b64b8ef1b5a2c8cf3d1008b8412

memory/2704-9-0x0000000000240000-0x000000000025F000-memory.dmp

memory/2788-11-0x0000000000240000-0x000000000025F000-memory.dmp

memory/2704-10-0x0000000000240000-0x000000000025F000-memory.dmp

memory/2704-12-0x0000000000950000-0x000000000096F000-memory.dmp

memory/2704-13-0x0000000000240000-0x000000000025F000-memory.dmp

memory/2704-14-0x0000000000240000-0x000000000025F000-memory.dmp

memory/2704-23-0x0000000000240000-0x000000000025F000-memory.dmp

memory/2704-22-0x0000000000950000-0x000000000096F000-memory.dmp

memory/2788-29-0x0000000000240000-0x000000000025F000-memory.dmp