Malware Analysis Report

2024-12-07 03:34

Sample ID 241113-h6mjgszrfr
Target 5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74
SHA256 5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74
Tags
asyncrat dinero 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

5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74

Threat Level: Known bad

The file 5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74 was found to be: Known bad.

Malicious Activity Summary

asyncrat dinero discovery persistence rat

AsyncRat

Asyncrat family

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 07:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 07:21

Reported

2024-11-13 07:23

Platform

win7-20240708-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\AnyDesignerEditor = "C:\\Users\\Admin\\Music\\AnyDesignerUpdater\\AnyConvertVideo.exe" C:\Users\Admin\AppData\Local\Temp\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2080 set thread context of 2436 N/A C:\Users\Admin\AppData\Local\Temp\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.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\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.exe

"C:\Users\Admin\AppData\Local\Temp\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.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 fuertefuerte.accesscam.org udp
US 8.8.8.8:53 octubre242024.casacam.net udp

Files

memory/2080-2-0x000000000052D000-0x0000000000545000-memory.dmp

memory/2080-1-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/2080-0-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/2080-5-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/2080-7-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/2080-4-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/2080-8-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/2436-11-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2436-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

memory/2436-9-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2436-17-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2436-15-0x0000000000080000-0x0000000000092000-memory.dmp

memory/2080-13-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/2080-12-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/2436-18-0x000000007496E000-0x000000007496F000-memory.dmp

memory/2436-19-0x0000000074960000-0x000000007504E000-memory.dmp

memory/2436-21-0x0000000074960000-0x000000007504E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 07:21

Reported

2024-11-13 07:23

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.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\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3604 set thread context of 3268 N/A C:\Users\Admin\AppData\Local\Temp\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.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\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.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\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.exe

"C:\Users\Admin\AppData\Local\Temp\5ab8a17246063f43e04f124c842427a9413d086796c1fd5e9d46917b308f5e74.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 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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 8.8.8.8:53 228.249.119.40.in-addr.arpa 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 octubre242024.casacam.net udp
US 8.8.8.8:53 fuertefuerte.accesscam.org udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa 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
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 octubre242024.casacam.net udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 fuertefuerte.accesscam.org udp
US 8.8.8.8:53 octubre212024.giize.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 octubre242024.casacam.net udp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa 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 octubre212024.giize.com 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 octubre212024.giize.com 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 octubre212024.giize.com udp
US 8.8.8.8:53 octubre212024.giize.com udp
US 8.8.8.8:53 octubre242024.casacam.net udp
US 8.8.8.8:53 94.65.42.20.in-addr.arpa udp

Files

memory/3604-0-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/3604-2-0x000000000052D000-0x0000000000545000-memory.dmp

memory/3604-1-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/3604-4-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/3604-7-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/3604-9-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/3604-11-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/3268-8-0x0000000000980000-0x0000000000992000-memory.dmp

memory/3604-6-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/3604-3-0x0000000000400000-0x00000000007A9000-memory.dmp

memory/3268-12-0x0000000073DBE000-0x0000000073DBF000-memory.dmp

memory/3268-13-0x0000000073DB0000-0x0000000074560000-memory.dmp

memory/3604-15-0x000000000052D000-0x0000000000545000-memory.dmp

memory/3268-16-0x0000000073DB0000-0x0000000074560000-memory.dmp