Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

AsyncClient.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260819-be925stfra
  • SHA256 8011c1edc006d639aa27086edebbea192cf3fcbbc41fcf979bf54d8c4331b989
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
ratdefaultasyncrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • peterbersch.nl/vi-vn/:6606

  • peterbersch.nl/vi-vn/:7707

  • peterbersch.nl/vi-vn/:8808

  • peterbersch.nl/vi-vn/:443

  • peterbersch.nl/vi-vn/:80

  • peterbersch.nl/vi-vn/:8844

  • peterbersch.nl/vi-vn/:22

  • peterbersch.nl/vi-vn/:53

  • arsmuse.com.mx/vi-vn/:6606

  • arsmuse.com.mx/vi-vn/:7707

  • arsmuse.com.mx/vi-vn/:8808

  • arsmuse.com.mx/vi-vn/:443

  • arsmuse.com.mx/vi-vn/:80

  • arsmuse.com.mx/vi-vn/:8844

  • arsmuse.com.mx/vi-vn/:22

  • arsmuse.com.mx/vi-vn/:53

Mutex

  • 4UWs9OPJ8vyg

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat
  • Async RAT payload 1 IoCs
    rat
  • Unsigned PE 1 IoCs

    Checks for missing Authenticode signature.

File Explorer

  • AsyncClient.exe
    .exe 45KB

AsyncClient.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 8011c1edc006d639aa27086edebbea192cf3fcbbc41fcf979bf54d8c4331b989
  • MD5 SHA1 SHA512 SSDEEP TLSH
windows:4windowsx86arch:x86

  • Async RAT payload

    rat

  • Unsigned PE

    Checks for missing Authenticode signature.

Minor OS version
0
Major OS version
4
Entry point
51054
Magic Number
267
Subsystem
IMAGE_SUBSYSTEM_WINDOWS_GUI
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE IMAGE_DLLCHARACTERISTICS_NX_COMPAT IMAGE_DLLCHARACTERISTICS_NO_SEH IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE IMAGE_FILE_32BIT_MACHINE
PDB paths