Malware Analysis Report

2025-01-02 02:50

Sample ID 241124-1wx7caxpcp
Target ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe
SHA256 ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bd
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

ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bd

Threat Level: Known bad

The file ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Checks computer location settings

Deletes itself

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

UPX packed file

Unsigned PE

Enumerates physical storage devices

System Network Configuration Discovery: Internet Connection Discovery

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-24 22:00

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

2024-11-24 22:00

Reported

2024-11-24 22:02

Platform

win7-20241010-en

Max time kernel

111s

Max time network

108s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3032 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 3032 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 3032 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 3032 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 3032 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe C:\Windows\SysWOW64\cmd.exe
PID 3032 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe C:\Windows\SysWOW64\cmd.exe
PID 3032 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe C:\Windows\SysWOW64\cmd.exe
PID 3032 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe C:\Windows\SysWOW64\cmd.exe
PID 2720 wrote to memory of 2060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2720 wrote to memory of 2060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2720 wrote to memory of 2060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2720 wrote to memory of 2060 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe

"C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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/3032-0-0x0000000000D70000-0x0000000000D8F000-memory.dmp

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

MD5 61dcfdca550c78cce7431a4d4cf11765
SHA1 4aeb47fb5311acdcd40a555189f6c94fc55a8d07
SHA256 caa69fb138f5d6cbe7523cb186ca89c8967cc319ab88437db4b5dd86963e9b03
SHA512 8e0aa5bd3949a8cccb8c6802d921f53676dbb1fceede9390354092bafc3851425ac1c70f9e4f89d6bcbb4f5ad1167c7a585fc71ede08c529e3a2143fc3340c59

memory/3032-4-0x0000000000070000-0x000000000008F000-memory.dmp

memory/3032-10-0x0000000000D70000-0x0000000000D8F000-memory.dmp

memory/3032-11-0x0000000000070000-0x000000000008F000-memory.dmp

memory/2080-13-0x0000000000250000-0x000000000026F000-memory.dmp

memory/3032-18-0x0000000000D70000-0x0000000000D8F000-memory.dmp

memory/2080-23-0x0000000000250000-0x000000000026F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-24 22:00

Reported

2024-11-24 22:02

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

95s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.exe

"C:\Users\Admin\AppData\Local\Temp\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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\ba64c55bc312601afbacd8b0aac0289d411f0ad3b419bad97e1d8fe99915c0bdN.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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 72.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.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 68.209.201.84.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 9.206.16.2.in-addr.arpa udp

Files

memory/216-0-0x0000000000800000-0x000000000081F000-memory.dmp

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

MD5 a3a99ea51c7562be0e658d6a26a69a98
SHA1 13c57c3050bc887d068027923ff641b6b5ae7c31
SHA256 fd2202c58d5d0b5909a45bf3d003dc2d309f6e07b9aa2f3d9f64616ef530fb63
SHA512 a0dc5b8d06ce67b65119272472c0d7e489ac5e0df4220f643c0c5d29cd9c456eb4bd3f48ba53cb889fc069159ce2f17481a7cfdb9a217c5e81d9e52f0d858149

memory/4284-4-0x0000000000610000-0x000000000062F000-memory.dmp

memory/216-6-0x0000000000800000-0x000000000081F000-memory.dmp

memory/4284-8-0x0000000000610000-0x000000000062F000-memory.dmp

memory/216-13-0x0000000000800000-0x000000000081F000-memory.dmp

memory/4284-18-0x0000000000610000-0x000000000062F000-memory.dmp