Analysis

  • max time kernel
    147s
  • max time network
    143s
  • 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 15:16

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 use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 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 use of WriteProcessMemory
    PID:4780
    • 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:1260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    666a5d6fcb7176c51fbcc2ec9c2b8d56

    SHA1

    19c33f151e35ab592835c72819092d2ee904b92d

    SHA256

    5a9336e766141a6fce03e6ca78cebededfeaaa5bacb7748658dc2f1f265fe0cc

    SHA512

    d5efc2663f48d57cfde0fdae16602fda065dcd5b0cb330218bfd2b9d13237b54c3df4729cbf7eea98918b464aebf4ab5b49da82f6dceb7e4b1121dd79721b003

  • memory/1260-28-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-26-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-16-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-57-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-18-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-41-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-17-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-34-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-33-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-31-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-24-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-25-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-13-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-14-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-58-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-42-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-23-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/1260-21-0x0000000000400000-0x0000000000482000-memory.dmp

    Filesize

    520KB

  • memory/4780-9-0x00000000743DE000-0x00000000743DF000-memory.dmp

    Filesize

    4KB

  • memory/4780-10-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4780-12-0x000000000A390000-0x000000000A450000-memory.dmp

    Filesize

    768KB

  • memory/4780-11-0x0000000005640000-0x0000000005656000-memory.dmp

    Filesize

    88KB

  • memory/4780-2-0x0000000005660000-0x0000000005C04000-memory.dmp

    Filesize

    5.6MB

  • memory/4780-22-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4780-7-0x0000000007E50000-0x0000000007F42000-memory.dmp

    Filesize

    968KB

  • memory/4780-0-0x00000000743DE000-0x00000000743DF000-memory.dmp

    Filesize

    4KB

  • memory/4780-6-0x0000000005330000-0x00000000053CC000-memory.dmp

    Filesize

    624KB

  • memory/4780-1-0x0000000000560000-0x0000000000662000-memory.dmp

    Filesize

    1.0MB

  • memory/4780-8-0x0000000005620000-0x000000000563E000-memory.dmp

    Filesize

    120KB

  • memory/4780-5-0x0000000005060000-0x000000000506A000-memory.dmp

    Filesize

    40KB

  • memory/4780-4-0x00000000743D0000-0x0000000074B80000-memory.dmp

    Filesize

    7.7MB

  • memory/4780-3-0x00000000050B0000-0x0000000005142000-memory.dmp

    Filesize

    584KB