Overview

overview

10

Static

static

3

81fe02b22a...dd.exe

windows7-x64

10

81fe02b22a...dd.exe

windows10-2004-x64

5

Sharing

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General

  • Target

    81fe02b22a1c5d7d2f58071929b4c6dd.exe

  • Size

    1.8MB

  • Sample

    230614-ekmqksch43

  • MD5

    81fe02b22a1c5d7d2f58071929b4c6dd

  • SHA1

    12d91d12d4e7d0475b815683bbaf6311a4c5deb5

  • SHA256

    3f88f0443415341f4807693ead6bcd3be97d7437ba10d01f7b4969dc4ca53a3c

  • SHA512

    02846ca21b8837a52a3f8ec47d781b7e9e38764176aeb085b2db05ff2a3c2469ca084c195cf00a99f469c586420fc82192ff4ec3a7bbb0965a5724b52bb98d48

  • SSDEEP

    12288:wG+i1cTob5rpXuEq++p6xG5ssxODepysgSk9DyL1HUyIP9IylT8rhke6nuRs9U51:wrkcG+p6U5U8ae6n+5OaKdWq2o14

Score
10/10
quasar202spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

202

C2

windows10-11.ddnsfree.com:5552

windows10-11.ddns.net:5552
Mutex

QSR_MUTEX_boxEKxe8a0LoR2kBL1

Attributes
  • encryption_key

    KuJ4t6tq6AQ5l33A3aYj

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      81fe02b22a1c5d7d2f58071929b4c6dd.exe

    • Size

      1.8MB

    • MD5

      81fe02b22a1c5d7d2f58071929b4c6dd

    • SHA1

      12d91d12d4e7d0475b815683bbaf6311a4c5deb5

    • SHA256

      3f88f0443415341f4807693ead6bcd3be97d7437ba10d01f7b4969dc4ca53a3c

    • SHA512

      02846ca21b8837a52a3f8ec47d781b7e9e38764176aeb085b2db05ff2a3c2469ca084c195cf00a99f469c586420fc82192ff4ec3a7bbb0965a5724b52bb98d48

    • SSDEEP

      12288:wG+i1cTob5rpXuEq++p6xG5ssxODepysgSk9DyL1HUyIP9IylT8rhke6nuRs9U51:wrkcG+p6U5U8ae6n+5OaKdWq2o14

    Score
    10/10
    quasar202spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • 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 Matrix

Tasks