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Analysis

  • max time kernel
    195s
  • max time network
    233s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 16:43

General

  • Target

    Free Crypter By- Hermes_Coder.exe

  • Size

    1.1MB

  • MD5

    224a311d19f8ad162f2ee15a5302768b

  • SHA1

    8ff5eef4e5431dfa1aaec0f5b75db33228acfe45

  • SHA256

    80f684c112ca84fe923b521144791f8c4a85e025583155fc9a92b206a78ece11

  • SHA512

    a2c88079428dba8539831897cc489b00391c5ed097b19731c6486dbd81e265942a7f111284e5cbcd8eec31a883b6aa527893c901bbde41eba0b9f2fcb9bfc4a6

  • SSDEEP

    24576:t9cWATXeauucsByUt12fcXoBr8JqNaDDHzQ8KzJwR:zxATXeau8Rt1zdqMDXKzK

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

BTC

C2

alvaritospamlamu.con-ip.com:2404

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    registros.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-4EHENX

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Capturas de pantalla

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Free Crypter By- Hermes_Coder.exe
    "C:\Users\Admin\AppData\Local\Temp\Free Crypter By- Hermes_Coder.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:2532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 672
        2⤵
        • Program crash
        PID:2520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2532-23-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-25-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-41-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-40-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-4-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-6-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-8-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-10-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-12-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-14-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-16-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-18-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-20-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

      Filesize

      4KB

    • memory/2532-21-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-39-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-37-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-27-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-26-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-24-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-28-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-29-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-31-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-36-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-35-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2532-34-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2680-33-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB

    • memory/2680-32-0x0000000074720000-0x0000000074E0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2680-0-0x0000000074720000-0x0000000074E0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2680-1-0x0000000001070000-0x0000000001182000-memory.dmp

      Filesize

      1.1MB

    • memory/2680-3-0x0000000004D10000-0x0000000004E0E000-memory.dmp

      Filesize

      1016KB

    • memory/2680-2-0x0000000000740000-0x0000000000780000-memory.dmp

      Filesize

      256KB