Analysis

  • max time kernel
    147s
  • max time network
    139s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241023-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    08-12-2024 17:36

General

  • Target

    ryrez_beta (2).exe

  • Size

    246KB

  • MD5

    8531555e8a8669f067c286a61882852b

  • SHA1

    6c9a2fa7a1bbf31d7d1dd2e52c791e3e9abbab16

  • SHA256

    4c3e3beb897dcb9a41bf4a4a051267b880b4b0f2a8691816775c2ff18d1c5bc5

  • SHA512

    e1cbd4b7e3395fd7651fe25b23722b9831a19a04266bb8f81d385390b7c8f393bb219f3f981b33aa093313acd12e3c9f5673c155809c9a7696c2cc44be651155

  • SSDEEP

    6144:CHJ+W6sz4rlKJOdpcw1R4JoLwYJuRsbWVh6cns8J:nxKJOdpvqYJuJVh6cns8J

Malware Config

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ryrez_beta (2).exe
    "C:\Users\Admin\AppData\Local\Temp\ryrez_beta (2).exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:4856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4856-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

    Filesize

    4KB

  • memory/4856-1-0x0000000000850000-0x0000000000894000-memory.dmp

    Filesize

    272KB

  • memory/4856-2-0x0000000005900000-0x0000000005EA6000-memory.dmp

    Filesize

    5.6MB

  • memory/4856-3-0x0000000005290000-0x0000000005322000-memory.dmp

    Filesize

    584KB

  • memory/4856-4-0x0000000005350000-0x00000000053B6000-memory.dmp

    Filesize

    408KB

  • memory/4856-5-0x0000000074E00000-0x00000000755B1000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-6-0x0000000005FB0000-0x0000000005FC2000-memory.dmp

    Filesize

    72KB

  • memory/4856-7-0x0000000006780000-0x000000000678A000-memory.dmp

    Filesize

    40KB

  • memory/4856-8-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

    Filesize

    4KB

  • memory/4856-9-0x0000000074E00000-0x00000000755B1000-memory.dmp

    Filesize

    7.7MB