Malware Analysis Report

2025-01-02 02:49

Sample ID 241126-v24nesxncm
Target dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe
SHA256 dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49
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

dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49

Threat Level: Known bad

The file dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Executes dropped EXE

Deletes itself

Checks computer location settings

Loads dropped DLL

Adds Run key to start application

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-26 17:30

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-26 17:30

Reported

2024-11-26 17:32

Platform

win7-20241010-en

Max time kernel

112s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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\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\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2536 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2536 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2536 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2536 wrote to memory of 2296 N/A C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2536 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe C:\Windows\SysWOW64\cmd.exe
PID 2536 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe C:\Windows\SysWOW64\cmd.exe
PID 2536 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe C:\Windows\SysWOW64\cmd.exe
PID 2536 wrote to memory of 2836 N/A C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe C:\Windows\SysWOW64\cmd.exe
PID 2836 wrote to memory of 1128 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2836 wrote to memory of 1128 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2836 wrote to memory of 1128 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2836 wrote to memory of 1128 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe

"C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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/2536-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 3da902b1fafb91b0f94c31c8b1527ee9
SHA1 5ed0bbe09abdcb8d4fc2228a38347514be508202
SHA256 9db3dfe574f1419d124fa6a670bdd509addad5c284f6c089fc077d543d26d7e3
SHA512 7f9668def27fa4003079a1ebe0082bc6ef312238852e6cb1228fea86febb1622915905ce4f3a4338075181f099cc843857e6da0ffeb145fcccb25f2dac9de97a

memory/2536-8-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2536-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2536-11-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2296-13-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2536-19-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2296-26-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-26 17:30

Reported

2024-11-26 17:32

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.exe

"C:\Users\Admin\AppData\Local\Temp\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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\dbf16b3fbe1e72684582b200e16c998f10e4d8114550083646da48c6aaabdf49N.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.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 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 99.209.201.84.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 68.209.201.84.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/948-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 fd4f44376e9ba989eae4af82d822fd66
SHA1 c111ed8fff0e023e24b684ec6253ffe03b53681f
SHA256 a2c77ce4cad32aed2992f68a9e162e4e3d44b14803a2efdb75da8e8056953210
SHA512 b8dcdf35cde2ce91774def4aef2e53b5c959cbee006e33aa97be1d4acda400f51137e6c6310041c73b03692cd0e72143a6e2cd1b9f237963c8bdb9f5ef675974

memory/948-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2296-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/948-13-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2296-17-0x0000000000400000-0x000000000041A000-memory.dmp