Overview

overview

10

Static

static

10

AsyncClient.exe

windows10-2004-x64

10

AsyncClient.exe

windows10-ltsc_2021-x64

10

AsyncClient.exe

windows11-21h2-x64

10

AsyncClient.exe

windows11-ltsc_2024-x64

10

AsyncClient.exe

android-10-x64

AsyncClient.exe

android-11-x64

AsyncClient.exe

android-13-x64

AsyncClient.exe

android-14-x64

AsyncClient.exe

android-15-x64

AsyncClient.exe

android-9-x86

AsyncClient.exe

macos-10.15-amd64

1

AsyncClient.exe

debian-12-armhf

AsyncClient.exe

debian-12-mipsel

AsyncClient.exe

debian-9-armhf

AsyncClient.exe

debian-9-mips

AsyncClient.exe

debian-9-mipsel

AsyncClient.exe

ubuntu-18.04-amd64

Sharing

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample260728-ck8a6swclb
  • SHA256 5c48080a3f172b9a5ff1edab0f5bd147b6e927e32124215f1e5e063773c5922f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
ratdefaultasyncrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • knowledgegroup.co.com:80

  • knowledgegroup.co.com:443

Mutex

  • OAIxHNhiM3YB

Attributes
  • delay

    3

  • install

    false

  • install_file

    gacha.exe

  • 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 5c48080a3f172b9a5ff1edab0f5bd147b6e927e32124215f1e5e063773c5922f
  • 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
50958
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