Overview

overview

10

Static

static

1

1st Purcha...009.js

windows10-2004-x64

10

1st Purcha...009.js

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    1st Purchase Order № 20261308009.js
  • Size 8.5MB
  • Sample260813-nlb5xayanh
  • SHA256 64eac550134ba49b6b20bc1ccfe53010b0db6ba090242144f34280bfb0e1a642
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasardefense_evasiondiscoveryexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Attributes
  • encryption_key

    18D134092755B64BAC5D20FB71423C6FF06E33C5

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Targets

    • Target
      1st Purchase Order № 20261308009.js
    • Size 8.5MB
    • SHA256 64eac550134ba49b6b20bc1ccfe53010b0db6ba090242144f34280bfb0e1a642
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionquasarpersistencespywaretrojandefense_evasion

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks