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

    240528-25hnpagc2t

  • MD5

    d5e34b544737c509d2c715befcf13bbe

  • SHA1

    d32b3541f63a135cfb4cedda600641d34c4cb1ce

  • SHA256

    add949efc7c222e2a5c8189a56464384bd116eb05994f85891f1b57ecd570754

  • SHA512

    5f645abc822994f1615b7aa7c7e4a2dd3dc8c7d977792c82bf891629af65b81836d2c80268edcd2f80f798806744bfa09f6b2a08950d7c4e892e8ddc3a80e4e8

  • SSDEEP

    49152:rvHI22SsaNYfdPBldt698dBcjHnBhETidKoGdVvTHHB72eh2NT:rvo22SsaNYfdPBldt6+dBcjHnB6Tis

Score
10/10
quasarruntime brokerspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Runtime Broker

C2

192.168.100.7:4449

Mutex

25995a9e-6e08-4214-8fe6-1aa44dc5c1d2

Attributes
  • encryption_key

    B34E98F6CCC5FEAE5629334642BF27F516AF7D4F

  • install_name

    Runtime Broker.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Runtime Broker

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      d5e34b544737c509d2c715befcf13bbe

    • SHA1

      d32b3541f63a135cfb4cedda600641d34c4cb1ce

    • SHA256

      add949efc7c222e2a5c8189a56464384bd116eb05994f85891f1b57ecd570754

    • SHA512

      5f645abc822994f1615b7aa7c7e4a2dd3dc8c7d977792c82bf891629af65b81836d2c80268edcd2f80f798806744bfa09f6b2a08950d7c4e892e8ddc3a80e4e8

    • SSDEEP

      49152:rvHI22SsaNYfdPBldt698dBcjHnBhETidKoGdVvTHHB72eh2NT:rvo22SsaNYfdPBldt6+dBcjHnB6Tis

    Score
    10/10
    quasarruntime brokerspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks