Malware Analysis Report

2024-12-07 03:14

Sample ID 241114-bqklmaseme
Target 6e8ba787b170e324a5b096c27afd69a3.bin
SHA256 cbe1ea9fba1b3853ef0b1fcf6709da743ad1aef6f462a6636cc5691e219e36e8
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

cbe1ea9fba1b3853ef0b1fcf6709da743ad1aef6f462a6636cc5691e219e36e8

Threat Level: Known bad

The file 6e8ba787b170e324a5b096c27afd69a3.bin 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

2024-11-14 01:20

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 01:20

Reported

2024-11-14 01:23

Platform

win10v2004-20241007-en

Max time kernel

139s

Max time network

150s

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-1-5-21-2437139445-1151884604-3026847218-1000\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 3852 set thread context of 4716 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 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.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 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 86.49.80.91.in-addr.arpa 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 uego.con-ip.com 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 uego.con-ip.com udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 octubre212024.giize.com udp
US 8.8.8.8:53 octubre212024.giize.com udp
US 8.8.8.8:53 fuertefuerte.accesscam.org udp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp

Files

memory/3852-0-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/3852-3-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/3852-6-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/3852-9-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/3852-5-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/3852-4-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/3852-1-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/3852-2-0x0000000000510000-0x0000000000528000-memory.dmp

memory/3852-8-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/4716-7-0x0000000000F30000-0x0000000000F42000-memory.dmp

memory/4716-10-0x000000007468E000-0x000000007468F000-memory.dmp

memory/4716-11-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4716-13-0x0000000074680000-0x0000000074E30000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 01:20

Reported

2024-11-14 01:23

Platform

win7-20241023-en

Max time kernel

149s

Max time network

150s

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 2244 set thread context of 2352 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 octubre212024.giize.com udp
US 8.8.8.8:53 castanojulian1111.chickenkiller.com udp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp
CO 190.240.48.29:2525 castanojulian1111.chickenkiller.com tcp
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 octubre242024.casacam.net udp

Files

memory/2244-0-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2244-2-0x0000000000510000-0x0000000000528000-memory.dmp

memory/2244-1-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2244-3-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2244-5-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2244-6-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2244-8-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2244-7-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2352-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2352-9-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2244-12-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2244-18-0x0000000000400000-0x00000000007A1000-memory.dmp

memory/2352-19-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

memory/2352-16-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2352-14-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2352-11-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2352-20-0x0000000073C30000-0x000000007431E000-memory.dmp

memory/2244-22-0x0000000000510000-0x0000000000528000-memory.dmp

memory/2352-23-0x0000000073C30000-0x000000007431E000-memory.dmp