Analysis

  • max time kernel
    155s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 21:00

General

  • Target

    8560d2cdf6bd8ffb30fe031081360c1f.exe

  • Size

    1024.0MB

  • MD5

    a832f6cf4b13db85c4e3d4a5c563800d

  • SHA1

    af788bb64b532ad62a64af98f6eeec316efcbd72

  • SHA256

    52e9fae2db9e0b5af5c4e28c52508a482348c085fd83e3a2d549c5d676b24470

  • SHA512

    7ee6c7c5529ee55f642c79d1ccd160e1d8183b13edf216a9693163f9acf84c6d355dcd028c41c1f022bc1799ba8852eff30f78e3ea68fa505b606e46c08c2547

  • SSDEEP

    12288:75RVeIv1Jyhik2XF62YPtnsMg9t4q78cjNgT8Yz48h7UJ:9RVeIv1JygrV6XtsRVUS81UJ

Malware Config

Extracted

Family

remcos

Botnet

PLATA

C2

comercio43.con-ip.com:1835

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

    data34

  • mouse_option

    false

  • mutex

    kiustong-7N6PEP

  • 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.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8560d2cdf6bd8ffb30fe031081360c1f.exe
    "C:\Users\Admin\AppData\Local\Temp\8560d2cdf6bd8ffb30fe031081360c1f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3604
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 648
        3⤵
        • Program crash
        PID:752
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppData"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4496
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:3644
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C copy "C:\Users\Admin\AppData\Local\Temp\8560d2cdf6bd8ffb30fe031081360c1f.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4396
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1284,i,11251706013556949551,5157034131170452377,262144 --variations-seed-version --mojo-platform-channel-handle=3032 /prefetch:8
    1⤵
      PID:4044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3604 -ip 3604
      1⤵
        PID:3112
      • C:\Users\Admin\AppData\Roaming\AppData\AppData.exe
        C:\Users\Admin\AppData\Roaming\AppData\AppData.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1504
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          PID:2508
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppData"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1384
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
          2⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3448
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
            3⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1684
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2324
      • C:\Users\Admin\AppData\Roaming\AppData\AppData.exe
        C:\Users\Admin\AppData\Roaming\AppData\AppData.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2460
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:3052
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C mkdir "C:\Users\Admin\AppData\Roaming\AppData"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:3152
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1588
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\AppData\AppData.exe'" /f
            3⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:3528
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /C copy "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe" "C:\Users\Admin\AppData\Roaming\AppData\AppData.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:1412

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\data34\registros.dat

        Filesize

        144B

        MD5

        de11d2b4594a0425bd2891e9a66463b4

        SHA1

        6441434b69ee3685399828f4ade1a01a9fe080e1

        SHA256

        832c67788d47ae644af5ad4f133f29cbeee147c1eec8507c3f44bd0bebe6826a

        SHA512

        f8c52515417f0a08b51da8c94b1efdd1ae13fc021a15ffe13a2e1b5ebcaa9a7d1ef464b94c152a85deb8fc7fa00e2396a1db7fd08ce2a19fd14e67cee4808aad

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\AppData.exe.log

        Filesize

        425B

        MD5

        4eaca4566b22b01cd3bc115b9b0b2196

        SHA1

        e743e0792c19f71740416e7b3c061d9f1336bf94

        SHA256

        34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

        SHA512

        bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

      • memory/1100-19-0x0000000075330000-0x0000000075AE0000-memory.dmp

        Filesize

        7.7MB

      • memory/1100-1-0x0000000000F20000-0x0000000001006000-memory.dmp

        Filesize

        920KB

      • memory/1100-2-0x0000000075330000-0x0000000075AE0000-memory.dmp

        Filesize

        7.7MB

      • memory/1100-0-0x000000007533E000-0x000000007533F000-memory.dmp

        Filesize

        4KB

      • memory/2508-52-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-29-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-55-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-30-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-56-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-26-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-25-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-32-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-33-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-35-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-36-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-38-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-39-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-41-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-42-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-57-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-45-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-46-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-47-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-91-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-49-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-50-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-90-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-53-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-23-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-89-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-43-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-59-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-60-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-61-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-63-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-64-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-66-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-67-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-87-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-86-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-84-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-75-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-76-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-77-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-79-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-80-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-81-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2508-83-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3052-73-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3052-71-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/3604-9-0x0000000000500000-0x0000000000582000-memory.dmp

        Filesize

        520KB

      • memory/3604-15-0x0000000000500000-0x0000000000582000-memory.dmp

        Filesize

        520KB

      • memory/3604-4-0x0000000000500000-0x0000000000582000-memory.dmp

        Filesize

        520KB

      • memory/3604-14-0x0000000000500000-0x0000000000582000-memory.dmp

        Filesize

        520KB