Malware Analysis Report

2024-12-07 03:35

Sample ID 241113-c9qgnavhlj
Target acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe
SHA256 acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c
Tags
asyncrat fuegooo discovery persistence rat
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

acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c

Threat Level: Known bad

The file acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe was found to be: Known bad.

Malicious Activity Summary

asyncrat fuegooo discovery persistence rat

Asyncrat family

AsyncRat

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 02:46

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 02:46

Reported

2024-11-13 02:49

Platform

win7-20241023-en

Max time kernel

143s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe"

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\LilyDesignerEditor = "C:\\Users\\Admin\\Music\\LilyDesignerUpdater\\LilyConvertVideo.exe" C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1372 set thread context of 2304 N/A C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe

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\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe

"C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 fuertefuerte.accesscam.org udp
US 8.8.8.8:53 uego.con-ip.com udp
US 8.8.8.8:53 octubre212024.giize.com udp
US 8.8.8.8:53 castanojulian1111.chickenkiller.com udp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 octubre242024.casacam.net udp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp

Files

memory/1372-0-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/1372-2-0x0000000000510000-0x0000000000528000-memory.dmp

memory/1372-1-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/1372-6-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/1372-5-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/1372-7-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/1372-4-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2304-14-0x0000000000080000-0x0000000000092000-memory.dmp

memory/1372-17-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2304-16-0x0000000000080000-0x0000000000092000-memory.dmp

memory/1372-11-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2304-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2304-10-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2304-8-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2304-18-0x00000000003E0000-0x00000000005F4000-memory.dmp

memory/1372-20-0x0000000000510000-0x0000000000528000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 02:46

Reported

2024-11-13 02:49

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe"

Signatures

AsyncRat

rat asyncrat

Asyncrat family

asyncrat

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\LilyDesignerEditor = "C:\\Users\\Admin\\Music\\LilyDesignerUpdater\\LilyConvertVideo.exe" C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2388 set thread context of 64 N/A C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe

"C:\Users\Admin\AppData\Local\Temp\acbb983043b2caf0a96657216843a985a11622ce7480c3e508c7c86f5bbf5f3c.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 castanojulian1111.chickenkiller.com udp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 octubre212024.giize.com udp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 fuertefuerte.accesscam.org udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 uego.con-ip.com udp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 octubre212024.giize.com udp
US 8.8.8.8:53 uego.con-ip.com udp
US 8.8.8.8:53 octubre212024.giize.com udp

Files

memory/2388-0-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2388-1-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2388-3-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2388-6-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2388-7-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/64-8-0x0000000000510000-0x0000000000522000-memory.dmp

memory/2388-9-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2388-5-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2388-11-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2388-2-0x0000000000510000-0x0000000000528000-memory.dmp

memory/64-12-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

memory/64-13-0x0000000074D00000-0x00000000754B0000-memory.dmp

memory/64-15-0x0000000074D00000-0x00000000754B0000-memory.dmp