Overview

overview

10

Static

static

10

kreo q zi.exe

windows10-ltsc 2021-x64

10

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General

  • Target
    kreo q zi.exe
  • Size 3.1MB
  • Sample241104-xfa54aveqa
  • SHA256 0fe81f9a51cf0068408de3c3605ce2033a00bd7ec90cc9516c38f6069e06433b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04credential_accessdiscoveryspywarestealertrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • hola435-24858.portmap.host:24858

Mutex

  • e51e2b65-e963-4051-9736-67d57ed46798

Attributes
  • encryption_key

    AEA258EF65BF1786F0F767C0BE2497ECC304C46F

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      kreo q zi.exe
    • Size 3.1MB
    • SHA256 0fe81f9a51cf0068408de3c3605ce2033a00bd7ec90cc9516c38f6069e06433b
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04credential_accessdiscoveryspywarestealertrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

      credential_accessstealer

    • Deletes itself

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Enterprise v15

Tasks