Resubmissions

17-07-2024 02:01

240717-cfmhxa1ckn 10

17-07-2024 01:54

240717-cb2f9stdmg 10

Analysis

  • max time kernel
    12s
  • max time network
    6s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    17-07-2024 01:54

Errors

Reason
Machine shutdown

General

  • Target

    Cotizacion.exe

  • Size

    3.8MB

  • MD5

    4bcda20fcc420c83a19572e6b4610479

  • SHA1

    7e3427c72ca845d2b66c901485ef3ca2c7cbf9f8

  • SHA256

    56017b05352f3034ad5a1e34a51206b7240f8a982721e089a440172263963235

  • SHA512

    a08fe40a64e5cf50560bf9a2644b35d2f30de966626919d1e9d9a657000ccadd4ff4b3cab7bbc292249a389eacb85e2f5be1ae3e98350dd9e43b12ba5327b88a

  • SSDEEP

    98304:5mJVD97VAOltrWJP8SDUTYAA56RoeXN3cJvPd4Fm0fA0:5mJ7hAatrWJP8S+YAfSkN+vPjt0

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

ENVIOJULIO

C2

hiperconection.duckdns.org:3030

Mutex

PRMBSRGT0kqWhLMuk3qtRg

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Cotizacion.exe
    "C:\Users\Admin\AppData\Local\Temp\Cotizacion.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2476
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
        PID:2584

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2476-0-0x0000000000400000-0x0000000000846000-memory.dmp

      Filesize

      4.3MB

    • memory/2476-2-0x000000000043A000-0x0000000000453000-memory.dmp

      Filesize

      100KB

    • memory/2476-3-0x0000000000400000-0x0000000000846000-memory.dmp

      Filesize

      4.3MB

    • memory/2584-4-0x0000000000810000-0x0000000000822000-memory.dmp

      Filesize

      72KB