Malware Analysis Report

2025-01-02 02:50

Sample ID 241202-d9btyatjbr
Target 4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe
SHA256 4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88
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

4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88

Threat Level: Known bad

The file 4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula

Sakula family

Sakula payload

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Deletes itself

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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 03:42

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 03:42

Reported

2024-12-02 03:44

Platform

win7-20241010-en

Max time kernel

118s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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
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\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2084 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2084 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2084 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2084 wrote to memory of 2300 N/A C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2084 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe C:\Windows\SysWOW64\cmd.exe
PID 2084 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe C:\Windows\SysWOW64\cmd.exe
PID 2084 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe C:\Windows\SysWOW64\cmd.exe
PID 2084 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe C:\Windows\SysWOW64\cmd.exe
PID 2220 wrote to memory of 2720 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2220 wrote to memory of 2720 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2220 wrote to memory of 2720 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2220 wrote to memory of 2720 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe

"C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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/2084-4-0x0000000000EB0000-0x0000000000ECF000-memory.dmp

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

MD5 bcf30776c5f0a4eab927b9c2cc519bf3
SHA1 901c17acd441936cff67a458e4b963383244a48d
SHA256 bc0ed21aaa76d22963c207e4044f38be40fa5ef74479fa133870cc17cfd17dab
SHA512 3f7237030edf9e52fbbf89e2fb8b6426b0e7b70f64f9286d465b060b883c9876bb1e2a3d4575f483a41fef667afdbb51c406ea7bcbdd1b84fb273d7fd568ff7f

memory/2084-0-0x0000000001260000-0x000000000127F000-memory.dmp

memory/2084-10-0x0000000001260000-0x000000000127F000-memory.dmp

memory/2084-11-0x0000000000EB0000-0x0000000000ECF000-memory.dmp

memory/2084-12-0x0000000000EB0000-0x0000000000ECF000-memory.dmp

memory/2300-14-0x0000000000EB0000-0x0000000000ECF000-memory.dmp

memory/2084-20-0x0000000001260000-0x000000000127F000-memory.dmp

memory/2300-25-0x0000000000EB0000-0x0000000000ECF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 03:42

Reported

2024-12-02 03:44

Platform

win10v2004-20241007-en

Max time kernel

113s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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

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\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.exe

"C:\Users\Admin\AppData\Local\Temp\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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\4c0675838d72b46062266721e0af921419bb6dc072a9f84beefdb76ae9424e88.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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 68.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.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 15.164.165.52.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/548-0-0x00000000001D0000-0x00000000001EF000-memory.dmp

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

MD5 fadea260f4f1bac1756fa93a6ac4215b
SHA1 4def16f8eb5596ff801bd2a5355a96102cff76e6
SHA256 69279abf606aed22cd7b8d3621ba815e008b27be6aa3bd2576469ecd9d475414
SHA512 eb194b5de15332f0189edfc4caeb87f0d471f0d8d3285d4308758d0db18169c777aa40bfd93f02b804fcead331d422fc8da4d09aa60c87b52edde815541716f7

memory/4420-4-0x00000000006D0000-0x00000000006EF000-memory.dmp

memory/548-6-0x00000000001D0000-0x00000000001EF000-memory.dmp

memory/4420-8-0x00000000006D0000-0x00000000006EF000-memory.dmp

memory/548-14-0x00000000001D0000-0x00000000001EF000-memory.dmp

memory/4420-18-0x00000000006D0000-0x00000000006EF000-memory.dmp