Overview

overview

10

Static

static

3

15e972a72e...83.exe

windows7-x64

5

15e972a72e...83.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    15e972a72e555d7bd756ededbbaa7a0dbb9705c31a73e14efd1128988a69f683.exe

  • Size

    876KB

  • Sample

    241125-shr46sypcq

  • MD5

    05443408f8eadd9434558a7886ca7efb

  • SHA1

    42419402ca59a4eb90e797b5f154cc5b2160dd62

  • SHA256

    15e972a72e555d7bd756ededbbaa7a0dbb9705c31a73e14efd1128988a69f683

  • SHA512

    6f781a3efa43d10451274c8d22c79e12052185e7cb45652810b2edc60c5a2cc963dd36ba47d87b0b5fa485950dace1306eec280ce1ef3c4f399483c55ac61858

  • SSDEEP

    24576:weKxzRSGSL0v0mMO5PKDRwszHMC8hrAaRKGX:BKxVpSL0AiyDysAC8hrZL

Score
10/10
quasaraoydiscoveryspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

AOY

C2

87.120.120.27:61540

127.0.0.1:61540

87.121.86.205:61541
Mutex

QSR_MUTEX_NOCv4TURf46HbVbxyc

Attributes
  • encryption_key

    fVsndNhImy9VosyZSQbQ

  • install_name

    updates.exe

  • log_directory

    Logs

  • reconnect_delay

    4000

  • startup_key

    Windows Update

  • subdirectory

    Windows

Targets

    • Target

      15e972a72e555d7bd756ededbbaa7a0dbb9705c31a73e14efd1128988a69f683.exe

    • Size

      876KB

    • MD5

      05443408f8eadd9434558a7886ca7efb

    • SHA1

      42419402ca59a4eb90e797b5f154cc5b2160dd62

    • SHA256

      15e972a72e555d7bd756ededbbaa7a0dbb9705c31a73e14efd1128988a69f683

    • SHA512

      6f781a3efa43d10451274c8d22c79e12052185e7cb45652810b2edc60c5a2cc963dd36ba47d87b0b5fa485950dace1306eec280ce1ef3c4f399483c55ac61858

    • SSDEEP

      24576:weKxzRSGSL0v0mMO5PKDRwszHMC8hrAaRKGX:BKxVpSL0AiyDysAC8hrZL

    Score
    10/10
    discoveryquasaraoyspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • 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