Overview

overview

10

Static

static

10

SkermEXEC.exe

windows10-1703-x64

10

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General

  • Target

    SkermEXEC.exe

  • Size

    3.1MB

  • Sample

    240518-1vkvmaad38

  • MD5

    29cf8e89d3d231d35715bb571f6bc951

  • SHA1

    fd5f276121570e29c3a4ebcc41ca3c0f601ec8ac

  • SHA256

    4cdd83e33360793038fa8c33e9ec247e27a663c9971cfd3e3b3b68b53149cba0

  • SHA512

    fd6d4a8ed2ba86bc9124ae39d19ece55c196a76991a0d14c51b80e3d3262a2cce2e57b3f48375af4bcfa20b8cbb881285555b5216b823d6f480638e282addd6d

  • SSDEEP

    49152:DvKlL26AaNeWgPhlmVqvMQ7XSKyLcYEE07k/9LoGdYFTHHB72eh2NT:DvyL26AaNeWgPhlmVqkQ7XSKOcY

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

104.28.197.26:4782

104.28.197.26:26
Mutex

f195a5f9-5b8a-4ef1-ba41-ce79c45d3dad

Attributes
  • encryption_key

    AAD5CB2ED96AC29ECF5D4BB5B9A38449017E4CAA

  • install_name

    SkermEXEC.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      SkermEXEC.exe

    • Size

      3.1MB

    • MD5

      29cf8e89d3d231d35715bb571f6bc951

    • SHA1

      fd5f276121570e29c3a4ebcc41ca3c0f601ec8ac

    • SHA256

      4cdd83e33360793038fa8c33e9ec247e27a663c9971cfd3e3b3b68b53149cba0

    • SHA512

      fd6d4a8ed2ba86bc9124ae39d19ece55c196a76991a0d14c51b80e3d3262a2cce2e57b3f48375af4bcfa20b8cbb881285555b5216b823d6f480638e282addd6d

    • SSDEEP

      49152:DvKlL26AaNeWgPhlmVqvMQ7XSKyLcYEE07k/9LoGdYFTHHB72eh2NT:DvyL26AaNeWgPhlmVqkQ7XSKOcY

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks