Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    250126-zwwg3svldq

  • MD5

    7dbac71bcc7920b66e8c4fc04fbc30dd

  • SHA1

    c746b4358c2a15765a010c1890979239f152d6f7

  • SHA256

    ccb74c64a45f838a6e7403d976d9b2d82afe40d96dc08952e6a374d8af3f09dd

  • SHA512

    56ffa2c92d97ef6b247db44225f659d8894f0c4c1134a8376346eb8f0a36bbb3331803752b8e24ada28dc554ef14d2098627ae751152b9eba956bb5e4d7c0c24

  • SSDEEP

    49152:bvylL26AaNeWgPhlmVqvMQ7XSKB4RJ6kbR3LoGdXdTHHB72eh2NT:bvqL26AaNeWgPhlmVqkQ7XSKB4RJ6uH

Score
10/10
quasaroffice04discoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

hojex31104-23437.portmap.host:23437

Mutex

de505f8f-b6d9-44cb-b9ce-7e2f491eb29e

Attributes
  • encryption_key

    D9C52C486698B9297B9AC8B87A65EA67135BE386

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      7dbac71bcc7920b66e8c4fc04fbc30dd

    • SHA1

      c746b4358c2a15765a010c1890979239f152d6f7

    • SHA256

      ccb74c64a45f838a6e7403d976d9b2d82afe40d96dc08952e6a374d8af3f09dd

    • SHA512

      56ffa2c92d97ef6b247db44225f659d8894f0c4c1134a8376346eb8f0a36bbb3331803752b8e24ada28dc554ef14d2098627ae751152b9eba956bb5e4d7c0c24

    • SSDEEP

      49152:bvylL26AaNeWgPhlmVqvMQ7XSKB4RJ6kbR3LoGdXdTHHB72eh2NT:bvqL26AaNeWgPhlmVqkQ7XSKB4RJ6uH

    Score
    10/10
    quasaroffice04discoveryspywaretrojan

    • 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 v15

Tasks