Overview

overview

10

Static

static

10

b3951980b0...e1.exe

windows10-2004-x64

10

b3951980b0...e1.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    b3951980b0017d9e90b9b709a7a6af848adf7f273581bdfeb5110a8cfe5f2ee1.exe
  • Size 133KB
  • Sample260703-bvf41aew3l
  • SHA256 b3951980b0017d9e90b9b709a7a6af848adf7f273581bdfeb5110a8cfe5f2ee1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratsetupadwaredefense_evasionexecutionpersistenceratspyware

Malware Config

Extracted

Family

  • asyncrat

Version

  • 1.0.7

Botnet

  • Setup

C2

  • af88.run:443

  • af88.run:80

  • af88.run:53

  • af88.run:8080

  • af88.run:1604

  • 777x.you:443

  • 777x.you:80

  • 777x.you:53

  • 777x.you:8080

  • 777x.you:1604

  • www.777x.you:443

  • www.777x.you:80

  • www.777x.you:53

  • www.777x.you:8080

  • www.777x.you:1604

  • www.af88.run:443

  • www.af88.run:80

  • www.af88.run:53

  • www.af88.run:8080

  • www.af88.run:1604

Mutex

  • StoreInstaller-kja6-sfk-as3k238-j3-2fuj

Attributes
  • delay

    2

  • install

    true

  • install_file

    StoreInstaller.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      b3951980b0017d9e90b9b709a7a6af848adf7f273581bdfeb5110a8cfe5f2ee1.exe
    • Size 133KB
    • SHA256 b3951980b0017d9e90b9b709a7a6af848adf7f273581bdfeb5110a8cfe5f2ee1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    setupdefense_evasionexecutionasyncratpersistenceratadwarespyware

    • Async RAT payload

      rat

    • Family: AsyncRat

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

      ratasyncrat

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

      persistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks