Malware Analysis Report

2024-12-07 03:15

Sample ID 241114-bl13taseqp
Target 5c1202c09bcdddfd51e8f60facada69f.bin
SHA256 7a5274dda9bf19c24d5eb6d00daf537889cd1b46d304de8accda25f17b224516
Tags
asyncrat fendi 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

7a5274dda9bf19c24d5eb6d00daf537889cd1b46d304de8accda25f17b224516

Threat Level: Known bad

The file 5c1202c09bcdddfd51e8f60facada69f.bin was found to be: Known bad.

Malicious Activity Summary

asyncrat fendi 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 01:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 01:14

Reported

2024-11-14 01:17

Platform

win7-20241010-en

Max time kernel

137s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\AnyDesignerEditor = "C:\\Users\\Admin\\Music\\AnyDesignerUpdater\\AnyConvertVideo.exe" C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1736 set thread context of 2128 N/A C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.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\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe

"C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.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 castanojulian1111.chickenkiller.com udp
CO 190.240.48.29:2727 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 octubre242024.casacam.net udp
CO 190.240.48.29:2727 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 fuertefuerte.accesscam.org udp
CO 190.240.48.29:2727 castanojulian1111.chickenkiller.com tcp
CO 190.240.48.29:2727 castanojulian1111.chickenkiller.com tcp

Files

memory/1736-0-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/1736-2-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/1736-3-0x000000000040D000-0x0000000000425000-memory.dmp

memory/1736-5-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/1736-6-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/1736-7-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/1736-8-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/2128-11-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2128-17-0x0000000000080000-0x0000000000092000-memory.dmp

memory/1736-18-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/2128-15-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2128-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2128-9-0x0000000000080000-0x0000000000092000-memory.dmp

memory/1736-12-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/2128-19-0x0000000000330000-0x0000000000544000-memory.dmp

memory/1736-20-0x000000000040D000-0x0000000000425000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 01:14

Reported

2024-11-14 01:17

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.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\AnyDesignerEditor = "C:\\Users\\Admin\\Music\\AnyDesignerUpdater\\AnyConvertVideo.exe" C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4340 set thread context of 4384 N/A C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.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\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.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\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.exe

"C:\Users\Admin\AppData\Local\Temp\94f1e96cc1e807c9a9e85d38b18fc77f3ff899fffd330ca277a864f8411ca4bb.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 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 castanojulian1111.chickenkiller.com udp
CO 190.240.48.29:2727 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
CO 190.240.48.29:2727 castanojulian1111.chickenkiller.com tcp
CO 190.240.48.29:2727 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 181.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
CO 190.240.48.29:2727 castanojulian1111.chickenkiller.com tcp
US 8.8.8.8:53 fuertefuerte.accesscam.org udp
US 8.8.8.8:53 fuertefuerte.accesscam.org udp
US 8.8.8.8:53 fuertefuerte.accesscam.org udp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 octubre212024.giize.com udp

Files

memory/4340-0-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/4340-1-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/4340-2-0x000000000040D000-0x0000000000425000-memory.dmp

memory/4340-6-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/4340-9-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/4384-7-0x0000000000900000-0x0000000000912000-memory.dmp

memory/4340-8-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/4340-5-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/4340-4-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/4340-3-0x0000000000400000-0x00000000005C3000-memory.dmp

memory/4384-10-0x0000000000290000-0x000000000049F000-memory.dmp