Overview

overview

10

Static

static

10

Client-built.exe

windows10-2004-x64

10

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    230807-m6ynzaeh89

  • MD5

    5c1a32689b011a239f97ed3bd910cecf

  • SHA1

    a6b75db86fe60710263a9ea0f475a1f6e4c9ba9c

  • SHA256

    08d8a25cd656729189ca892bedf7938bed5d77d1b87df0f148d8a1e2bfd97b8e

  • SHA512

    71dbc1510e4de76cdd0e04d211f081e5163d35f3e10ab30f9e2aadd1bd0526b9d04d4e016687847c5825b68aa3406fa0e490bdfb19a6fb43372f2073ac1ce287

  • SSDEEP

    49152:rvbI22SsaNYfdPBldt698dBcjH5g1wMBx04oGdwwTHHB72eh2NT:rvk22SsaNYfdPBldt6+dBcjHswYg

Score
10/10
quasaroffice04spywarestealertrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

2.tcp.ngrok.io:19647

Mutex

eff7fb15-f1b6-49a7-a5e8-41f76e365ecc

Attributes
  • encryption_key

    1B550D191B71501C5CFCFD4E2C6AD3AB301AD330

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      5c1a32689b011a239f97ed3bd910cecf

    • SHA1

      a6b75db86fe60710263a9ea0f475a1f6e4c9ba9c

    • SHA256

      08d8a25cd656729189ca892bedf7938bed5d77d1b87df0f148d8a1e2bfd97b8e

    • SHA512

      71dbc1510e4de76cdd0e04d211f081e5163d35f3e10ab30f9e2aadd1bd0526b9d04d4e016687847c5825b68aa3406fa0e490bdfb19a6fb43372f2073ac1ce287

    • SSDEEP

      49152:rvbI22SsaNYfdPBldt698dBcjH5g1wMBx04oGdwwTHHB72eh2NT:rvk22SsaNYfdPBldt6+dBcjHswYg

    Score
    10/10
    quasaroffice04spywarestealertrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks