Overview

overview

10

Static

static

1

Size label...lsx.js

windows10-2004-x64

10

Size label...lsx.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Size label (Heat Transfer) style 1178875.xlsx.js
  • Size 2.6MB
  • Sample260930-2ln2csy17p
  • SHA256 7efba299adeb2b2bd73ce0f2542e30e36b5719d13c54011b4b3959efd5699952
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
asyncratdefaultdefense_evasiondiscoveryexecutionratsuricata

Malware Config

Extracted

Family

  • asyncrat

Version

  • 0.5.8

Botnet

  • Default

C2

  • 217.60.76.250:6606

  • 217.60.76.250:7707

  • 217.60.76.250:8808

Mutex

  • ZcMyazpufH2A

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      Size label (Heat Transfer) style 1178875.xlsx.js
    • Size 2.6MB
    • SHA256 7efba299adeb2b2bd73ce0f2542e30e36b5719d13c54011b4b3959efd5699952
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defaultdefense_evasiondiscoveryexecutionasyncratratsuricata

    • Async RAT payload

      rat

    • Family: AsyncRat

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

      ratasyncrat

    • Suricata alert: AsyncRAT Malware Default X.509 Certificate Detected - Inbound

      Network activity triggered a Suricata alert

      suricataasyncrat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Suspicious use of NtSetInformationThreadHideFromDebugger

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks