Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-07-2024 14:33

General

  • Target

    Proceso_Civil_Juridico_N°_41731913..exe

  • Size

    1.7MB

  • MD5

    9f2f4eacae8e4bfb705679dcc7a6be87

  • SHA1

    0884ef61cfbfb8e794fbfa9d3465603e3b7bbe87

  • SHA256

    304db7f796f881d8013499644940efd37ae9b1d22769784bd338c123c725225c

  • SHA512

    537bb7e42a4fdf255941a315348a935f5b80c6555c1484682ff615569670070d240fce80a9c28157c9008268f2eb4c0545b5b5fd371258c293a7326d9aefcc7b

  • SSDEEP

    49152:JDUNJNsGLoD5gs673cgMMbwF46U8jM+9XB6JQI1yo:JD6J4R+OM+K1yo

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

VICTORIOSOS

C2

paisesbajos12.casacam.net:8009

Mutex

DcRatMutex_qwqdanchun

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\Proceso_Civil_Juridico_N°_41731913..exe
    "C:\Users\Admin\AppData\Local\Temp\Proceso_Civil_Juridico_N°_41731913..exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      2⤵
        PID:5036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2340-1-0x0000000000400000-0x00000000005F6000-memory.dmp

      Filesize

      2.0MB

    • memory/2340-0-0x0000000000400000-0x00000000005F6000-memory.dmp

      Filesize

      2.0MB

    • memory/2340-2-0x0000000000407000-0x0000000000421000-memory.dmp

      Filesize

      104KB

    • memory/2340-3-0x0000000000400000-0x00000000005F6000-memory.dmp

      Filesize

      2.0MB

    • memory/2340-5-0x0000000000400000-0x00000000005F6000-memory.dmp

      Filesize

      2.0MB

    • memory/5036-4-0x0000000000640000-0x0000000000652000-memory.dmp

      Filesize

      72KB

    • memory/5036-6-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

      Filesize

      4KB

    • memory/5036-7-0x0000000073DF0000-0x00000000745A0000-memory.dmp

      Filesize

      7.7MB

    • memory/5036-8-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

      Filesize

      4KB

    • memory/5036-9-0x0000000073DF0000-0x00000000745A0000-memory.dmp

      Filesize

      7.7MB