Overview

overview

10

Static

static

10

Pulsar-Client.exe

windows10-2004-x64

Pulsar-Client.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Pulsar-Client.exe
  • Size 954KB
  • Sample260715-evf1saes3y
  • SHA256 943292c3b9046e9878d5da44bf3448d91aadfbfd2891a255a67157267cb74937
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
quasardiscoveryspywaretrojan

Malware Config

Extracted

Family

  • quasar

Attributes
  • encryption_key

    9FCA2379D0EC893CDAB8396AABEC57882A5FF3D7

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • reconnect_delay

    3000

Targets

    • Target
      Pulsar-Client.exe
    • Size 954KB
    • SHA256 943292c3b9046e9878d5da44bf3448d91aadfbfd2891a255a67157267cb74937
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryquasarspywaretrojan

    • Family: Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks