Malware Analysis Report

2025-01-02 02:49

Sample ID 241128-q489gayrfx
Target c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe
SHA256 c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110ca
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

c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110ca

Threat Level: Known bad

The file c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula family

Sakula

Deletes itself

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

System Location Discovery: System Language Discovery

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-28 13:50

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-28 13:50

Reported

2024-11-28 13:52

Platform

win7-20240903-en

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2524 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2524 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2524 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2524 wrote to memory of 1232 N/A C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2524 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe C:\Windows\SysWOW64\cmd.exe
PID 2524 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe C:\Windows\SysWOW64\cmd.exe
PID 2524 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe C:\Windows\SysWOW64\cmd.exe
PID 2524 wrote to memory of 2632 N/A C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe C:\Windows\SysWOW64\cmd.exe
PID 2632 wrote to memory of 2724 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2632 wrote to memory of 2724 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2632 wrote to memory of 2724 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2632 wrote to memory of 2724 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe

"C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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/2524-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 b0de784b7150f88dc851e1fec9d94a91
SHA1 8974c27eb51f7c1ca91191814d5cc1ff6eba49c3
SHA256 ba7539e1b5edcfac33d208cdea196d64ae01c2152b61f29ca21562cde8c5d163
SHA512 376552132ea6be5f693e900bee1806839222e114ff0fe49e8f8ff21d02303ceeeb5e6f585de62df87f3c429e92478a3b8fde5dc60d40e5d6625e80e9651d6113

memory/1232-10-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2524-9-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2524-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2524-12-0x0000000000220000-0x000000000023A000-memory.dmp

memory/2524-13-0x0000000000220000-0x000000000023A000-memory.dmp

memory/1232-14-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2524-22-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1232-28-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-28 13:50

Reported

2024-11-28 13:52

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe

"C:\Users\Admin\AppData\Local\Temp\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.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\c2772fdc3d39c75a7e63a260b7bbeebbd5da45e5b01b55870d093a242dc110caN.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 31.243.111.52.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/1264-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 1d5bcb15e378c48378b1c305fc973b15
SHA1 8bd2c85897756d86f450499b759dc920e52e5309
SHA256 fa6e0106e1e1005f6101f6e67b956c310adb26e3e8eff94011771cad6a78ed43
SHA512 3d2103e0115d52e352fea71d4b5d66ee71a8ef8f3ae120fe5082744a50cc1b819527bfa3b4830cfd50c6958f82a12c3eedcb8e20661e8c4c71772bcbe9cf3171

memory/3096-4-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1264-6-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3096-8-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1264-13-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3096-16-0x0000000000400000-0x000000000041A000-memory.dmp