Overview

overview

10

Static

static

3

e7b1c5616f...4d.exe

windows7-x64

10

e7b1c5616f...4d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e7b1c5616fac47ab49a97f2c25d059333517a0de03e14965d990bd5fd0ce5b4d.exe

  • Size

    480KB

  • Sample

    241126-s25jlsxlfs

  • MD5

    8588b18966f364f6676ae1a69f572eb6

  • SHA1

    338b8a9549bd98088d622c44822cd0605bde79b9

  • SHA256

    e7b1c5616fac47ab49a97f2c25d059333517a0de03e14965d990bd5fd0ce5b4d

  • SHA512

    f70159f3dcfca24267507b5ec156cce4d5a3bc69c656a0d5eec9cd9a15629f8f66a4f096bc86cde7f40c55d5d2e7b3c267a7dfa3ba51a300432ef812ed161dfe

  • SSDEEP

    12288:iww6xvH9M3Ir55+JpWQbe6Ef4D+2u+4gnflehWt:inKP9M4r55+JAQGf4D+2tleAt

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

      e7b1c5616fac47ab49a97f2c25d059333517a0de03e14965d990bd5fd0ce5b4d.exe

    • Size

      480KB

    • MD5

      8588b18966f364f6676ae1a69f572eb6

    • SHA1

      338b8a9549bd98088d622c44822cd0605bde79b9

    • SHA256

      e7b1c5616fac47ab49a97f2c25d059333517a0de03e14965d990bd5fd0ce5b4d

    • SHA512

      f70159f3dcfca24267507b5ec156cce4d5a3bc69c656a0d5eec9cd9a15629f8f66a4f096bc86cde7f40c55d5d2e7b3c267a7dfa3ba51a300432ef812ed161dfe

    • SSDEEP

      12288:iww6xvH9M3Ir55+JpWQbe6Ef4D+2u+4gnflehWt:inKP9M4r55+JAQGf4D+2tleAt

    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