Overview

overview

10

Static

static

3

45ba3d67ab...8N.exe

windows7-x64

10

45ba3d67ab...8N.exe

windows10-2004-x64

10

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General

  • Target

    45ba3d67ab43703e287afb99dbe420c498a5f268d1abc92ab82f91aaeaab0d88N.exe

  • Size

    480KB

  • Sample

    250101-az7l3szpgk

  • MD5

    ef774f6352f9c0f76b3c82d09292a250

  • SHA1

    840b855dc1f349382505defff4d360adce1afb49

  • SHA256

    45ba3d67ab43703e287afb99dbe420c498a5f268d1abc92ab82f91aaeaab0d88

  • SHA512

    48f04bf3fefa12d0245cd1c7ba415f1d82bcb2e42aa2e6abd8865edb5cac7f1ccffbd81c66e5561a77afa0139daefa4d6a6dca2321d17bf9cac6415c5fc942be

  • SSDEEP

    12288:iww6xvH9M3Ir55+JpWQbe6Ef4D+2u+4gnflehW:inKP9M4r55+JAQGf4D+2tleA

Score
10/10
quasarsvchost.exediscoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

svchost.exe

C2

23.227.174.82:4782

Mutex

QSR_MUTEX_UtaUPinApnyZsQXsVE

Attributes
  • encryption_key

    hn8U0t79xWv7f03kzG79

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      45ba3d67ab43703e287afb99dbe420c498a5f268d1abc92ab82f91aaeaab0d88N.exe

    • Size

      480KB

    • MD5

      ef774f6352f9c0f76b3c82d09292a250

    • SHA1

      840b855dc1f349382505defff4d360adce1afb49

    • SHA256

      45ba3d67ab43703e287afb99dbe420c498a5f268d1abc92ab82f91aaeaab0d88

    • SHA512

      48f04bf3fefa12d0245cd1c7ba415f1d82bcb2e42aa2e6abd8865edb5cac7f1ccffbd81c66e5561a77afa0139daefa4d6a6dca2321d17bf9cac6415c5fc942be

    • SSDEEP

      12288:iww6xvH9M3Ir55+JpWQbe6Ef4D+2u+4gnflehW:inKP9M4r55+JAQGf4D+2tleA

    Score
    10/10
    quasarsvchost.exediscoveryspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Drops startup file

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks