Overview

overview

10

Static

static

3

2025-04-19...om.exe

windows10-2004-x64

10

2025-04-19...om.exe

windows11-21h2-x64

10

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General

  • Target

    2025-04-19_05ddb104906f6ea114b687fffece5b95_black-basta_cobalt-strike_satacom

  • Size

    1.7MB

  • Sample

    250419-t3xqts1tbv

  • MD5

    05ddb104906f6ea114b687fffece5b95

  • SHA1

    250f2dd9f6a3b5660c1cd72fc3747f238b2f8625

  • SHA256

    772d48ac3ed6e1bd6094d3a31678caa0f3de77f2fb64ac4f52659683c6c6dddc

  • SHA512

    3e3014ef6c9da9f0fcb4b3014a76d70fe7272bf0a1633557f84367ceb745eefe7936e02d15c8f170dab3b9efd032eaa05d3fb31da0302d2b0f40cc974411f611

  • SSDEEP

    49152:lQfiZ7qCLpHLuxk7XKL7lMQ3uIf4g0eGh3i:lT3qqjKL7ln3uIf4gqc

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.110.238:4782

Mutex

fe3c09da-272f-47ae-bbc2-f769a61800a8

Attributes
  • encryption_key

    D8E1C53E54B16A3F7E334DC084C4452B36785B7D

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      2025-04-19_05ddb104906f6ea114b687fffece5b95_black-basta_cobalt-strike_satacom

    • Size

      1.7MB

    • MD5

      05ddb104906f6ea114b687fffece5b95

    • SHA1

      250f2dd9f6a3b5660c1cd72fc3747f238b2f8625

    • SHA256

      772d48ac3ed6e1bd6094d3a31678caa0f3de77f2fb64ac4f52659683c6c6dddc

    • SHA512

      3e3014ef6c9da9f0fcb4b3014a76d70fe7272bf0a1633557f84367ceb745eefe7936e02d15c8f170dab3b9efd032eaa05d3fb31da0302d2b0f40cc974411f611

    • SSDEEP

      49152:lQfiZ7qCLpHLuxk7XKL7lMQ3uIf4g0eGh3i:lT3qqjKL7ln3uIf4gqc

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Checks computer location settings

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

    • Executes dropped EXE

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks