Overview

overview

10

Static

static

3

5946d6d8c8...c1.exe

windows7-x64

10

5946d6d8c8...c1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    5946d6d8c855c5ffb214f2880891a2290d229feb484ffb4c90758b47d10feec1

  • Size

    2.6MB

  • Sample

    240308-zz56pagh9s

  • MD5

    51740a4c1b21548a0bdf5c62fd3ed481

  • SHA1

    d77a75714d66059140b8b121f726a7fcaa6a8dca

  • SHA256

    5946d6d8c855c5ffb214f2880891a2290d229feb484ffb4c90758b47d10feec1

  • SHA512

    322d7661e46d9f3b6e799821b70d38b18d41b959d199e7817a194c464bf7298f40a3025a96fb002dc1182ac9fe33d0e8a2c72a552bed895b50b2d53da7d0582e

  • SSDEEP

    24576:XF9CM6qWfUbscd8T6Dowv2/uLUVLbm9RVV6HZwf2pj+HvaI9Dl7Rk7HM74T1sY6+:7Cvqd8TS9xSZwf2pTax9k48r6Tvq

Score
10/10
quasarvictimspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

victim

C2

193.161.193.99:39207

Mutex

QSR_MUTEX_BR32HV7NKNSNW84AXw

Attributes
  • encryption_key

    q4ydm98jmmYWnZF1LzIQ

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      5946d6d8c855c5ffb214f2880891a2290d229feb484ffb4c90758b47d10feec1

    • Size

      2.6MB

    • MD5

      51740a4c1b21548a0bdf5c62fd3ed481

    • SHA1

      d77a75714d66059140b8b121f726a7fcaa6a8dca

    • SHA256

      5946d6d8c855c5ffb214f2880891a2290d229feb484ffb4c90758b47d10feec1

    • SHA512

      322d7661e46d9f3b6e799821b70d38b18d41b959d199e7817a194c464bf7298f40a3025a96fb002dc1182ac9fe33d0e8a2c72a552bed895b50b2d53da7d0582e

    • SSDEEP

      24576:XF9CM6qWfUbscd8T6Dowv2/uLUVLbm9RVV6HZwf2pj+HvaI9Dl7Rk7HM74T1sY6+:7Cvqd8TS9xSZwf2pTax9k48r6Tvq

    Score
    10/10
    quasarvictimspywaretrojan

    • 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