Overview

overview

10

Static

static

10

4c15728c68...0e.exe

windows7-x64

10

4c15728c68...0e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4c15728c688fd0ef27d2effeb6e37f8b05f104dc07da04926b8e0386b5e58a0e.exe

  • Size

    3.1MB

  • Sample

    241218-cycfnayncv

  • MD5

    fd683344e5fc0a2dc8693f32ff45bf1f

  • SHA1

    285fbe54593c2d616caecbaba986ba15cc4972ab

  • SHA256

    4c15728c688fd0ef27d2effeb6e37f8b05f104dc07da04926b8e0386b5e58a0e

  • SHA512

    b272fe1b94e5b8a55167956d7baf1795fc1fc638cb8af12268bfc40c05a6f8dc22bbf06feb0e5c315ed327b60c6e14c11586d569612c8742ceb27f66c04caa79

  • SSDEEP

    49152:qvVt62XlaSFNWPjljiFa2RoUYI7mcH+mZHLo0dPBNTHHB72eh2NT:qvn62XlaSFNWPjljiFXRoUYIicHBtB

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

209.145.59.89:443

Mutex

9d1a4f0d-2ea1-4330-81b0-244a91bf932c

Attributes
  • encryption_key

    B90D9A43F7C3BF3BBA75403410E571B5F80BA7E1

  • install_name

    winboot.exe

  • log_directory

    Logs

  • reconnect_delay

    5000

  • startup_key

    UEFI boot

  • subdirectory

    bootufi

Targets

    • Target

      4c15728c688fd0ef27d2effeb6e37f8b05f104dc07da04926b8e0386b5e58a0e.exe

    • Size

      3.1MB

    • MD5

      fd683344e5fc0a2dc8693f32ff45bf1f

    • SHA1

      285fbe54593c2d616caecbaba986ba15cc4972ab

    • SHA256

      4c15728c688fd0ef27d2effeb6e37f8b05f104dc07da04926b8e0386b5e58a0e

    • SHA512

      b272fe1b94e5b8a55167956d7baf1795fc1fc638cb8af12268bfc40c05a6f8dc22bbf06feb0e5c315ed327b60c6e14c11586d569612c8742ceb27f66c04caa79

    • SSDEEP

      49152:qvVt62XlaSFNWPjljiFa2RoUYI7mcH+mZHLo0dPBNTHHB72eh2NT:qvn62XlaSFNWPjljiFXRoUYIicHBtB

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks