Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-08-2024 01:15

General

  • Target

    4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002.exe

  • Size

    1007KB

  • MD5

    652d8c7b13a8e36e9537e8786b96f4a4

  • SHA1

    2d456a829fb9b9ce560baa1f3b00efbdc85ec6ac

  • SHA256

    4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002

  • SHA512

    1257d1e0e691cbcc275abe7fee301bf0b4ecdb70e68c52323ea00174f7e23baf3b1c6397a4be04af1cb9b6d796d8bae0d28460afbbbd6c77d51002783d1c1947

  • SSDEEP

    24576:OYImtwJX3fFnw2burtrxID+1Mwpkjcu2KRZtxEYZcZkIZ:OYImtm3tHbuhlIDWZkEKBxEYu

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

magaji.duckdns.org: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

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-ORKMG9

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002.exe
    "C:\Users\Admin\AppData\Local\Temp\4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3140
    • C:\Users\Admin\AppData\Local\Temp\4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002.exe
      "C:\Users\Admin\AppData\Local\Temp\4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002.exe"
      2⤵
        PID:1648
      • C:\Users\Admin\AppData\Local\Temp\4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002.exe
        "C:\Users\Admin\AppData\Local\Temp\4eaacedcb5c204340fb5b45bbf5b625f8951efdb4a4035b9b621d07880bd0002.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2340

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      5a2f06916f04affbd7664163a891740e

      SHA1

      76ae2e7e56ca8b9d3a1efe16f4fed418881b91f7

      SHA256

      72016d193d1c5532480deaa6fdbe2fff477aa01eed57a95dcd192a89115c506d

      SHA512

      7c35e9fc744ce9c96623e32478f748ec77de2a41d67e47cba296f13e70f51fb5aed3ab971b9fd9f96a632b0fcedb80dfa3dc5dda508a938e3744d5897bc3a16f

    • memory/2340-28-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-31-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-63-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-62-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-17-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-55-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-54-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-14-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-47-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-13-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-46-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-38-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-16-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-18-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-30-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-21-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-26-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-25-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-24-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2340-23-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3140-12-0x000000000A2A0000-0x000000000A360000-memory.dmp

      Filesize

      768KB

    • memory/3140-1-0x00000000004F0000-0x00000000005F2000-memory.dmp

      Filesize

      1.0MB

    • memory/3140-5-0x00000000746C0000-0x0000000074E70000-memory.dmp

      Filesize

      7.7MB

    • memory/3140-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

      Filesize

      4KB

    • memory/3140-22-0x00000000746C0000-0x0000000074E70000-memory.dmp

      Filesize

      7.7MB

    • memory/3140-10-0x00000000746C0000-0x0000000074E70000-memory.dmp

      Filesize

      7.7MB

    • memory/3140-8-0x00000000054A0000-0x00000000054BE000-memory.dmp

      Filesize

      120KB

    • memory/3140-3-0x0000000005010000-0x00000000050A2000-memory.dmp

      Filesize

      584KB

    • memory/3140-7-0x0000000006300000-0x00000000063F2000-memory.dmp

      Filesize

      968KB

    • memory/3140-9-0x00000000746CE000-0x00000000746CF000-memory.dmp

      Filesize

      4KB

    • memory/3140-11-0x00000000054C0000-0x00000000054D6000-memory.dmp

      Filesize

      88KB

    • memory/3140-4-0x0000000005000000-0x000000000500A000-memory.dmp

      Filesize

      40KB

    • memory/3140-6-0x0000000005260000-0x00000000052FC000-memory.dmp

      Filesize

      624KB

    • memory/3140-2-0x00000000054E0000-0x0000000005A84000-memory.dmp

      Filesize

      5.6MB