Overview

overview

10

Static

static

10

AsyncClient.exe

windows7-x64

10

AsyncClient.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    AsyncClient.exe
  • Size 45KB
  • Sample230323-vjteqsba3w
  • SHA256 ec93adc0594e2c2fb8360d594d434bd5a217f2fb7d4184e086220fcae3886c9f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
ratcom surrogateasyncrat

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.7B

Botnet

  • COM Surrogate

C2

  • 127.0.0.1:6606

  • 127.0.0.1:7707

  • 127.0.0.1:8808

  • 127.0.0.1:1604

  • 127.0.0.1:14576

  • 127.0.0.1:15074

  • 127.0.0.1:15018

  • 4.tcp.eu.ngrok.io:6606

  • 4.tcp.eu.ngrok.io:7707

  • 4.tcp.eu.ngrok.io:8808

  • 4.tcp.eu.ngrok.io:1604

  • 4.tcp.eu.ngrok.io:14576

  • 4.tcp.eu.ngrok.io:15074

  • 4.tcp.eu.ngrok.io:15018

  • 7.tcp.eu.ngrok.io:6606

  • 7.tcp.eu.ngrok.io:7707

  • 7.tcp.eu.ngrok.io:8808

  • 7.tcp.eu.ngrok.io:1604

  • 7.tcp.eu.ngrok.io:14576

  • 7.tcp.eu.ngrok.io:15074

Mutex

  • COM Surrogate

Attributes
  • delay

    3

  • install

    true

  • install_file

    Microsoftfixer.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • Async RAT payload 1 IoCs
    rat
  • Asyncrat family
    asyncrat

File Explorer

  • AsyncClient.exe
    .exe 45KB

AsyncClient.exe

  • IMPHASH f34d5f2d4577ed6d9ceec516c1f5a744
  • SHA256 ec93adc0594e2c2fb8360d594d434bd5a217f2fb7d4184e086220fcae3886c9f
  • MD5 SHA1 SHA512 SSDEEP
windowsx86

  • Async RAT payload

    rat
Minor OS version
Major OS version
Entry point
51182
Magic Number
267
Subsystem
DLL Characteristics
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