Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 14:36

General

  • Target

    OFICIO Nº 0495949594 ACTUACIÓN PROCESAL RAD 2024-00531-00.exe

  • Size

    331KB

  • MD5

    11b94847a9272d020e13c6485515dee1

  • SHA1

    34c60c1638dfa9b2f9e07e6dd70a2014547a4ade

  • SHA256

    c8691ad7b172874c5bfbd1fb9006613973e551771367ff7d538b29ca2f7bf6c3

  • SHA512

    a2de8898cbd1db9273f1470728f7c1832e5b681a1d72ec8bfb91654cb99c2e4d8b7e92c157b755f3dc7b5a5437be3717bb9726575e01af052cc46b6da0cccb5d

  • SSDEEP

    6144:n/mbJQBuSXHz2bKnb0lQUtmEZrdcqLKRDgdjAmiYFp5jP1k0V:eNt8irremKxgdZiYxjP1jV

Malware Config

Extracted

Family

remcos

Botnet

ZEPTA

C2

platino89.con-ip.com:1836

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

    XCVXCGFGFGFDG-TEGKLX

  • 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 NtCreateUserProcessOtherParentProcess 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3520
      • C:\Users\Admin\AppData\Local\Temp\OFICIO Nº 0495949594 ACTUACIÓN PROCESAL RAD 2024-00531-00.exe
        "C:\Users\Admin\AppData\Local\Temp\OFICIO Nº 0495949594 ACTUACIÓN PROCESAL RAD 2024-00531-00.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4100
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1448

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\remcos\logs.dat

      Filesize

      144B

      MD5

      67b0a9e1be1acf5cb88b2f787fb65cc7

      SHA1

      45e64ee6d5350cc50c6d42886fed43bde0c62d78

      SHA256

      b60079e883661c91aed86d3c7fab3bc13cd27d0bf66a6f1d3506ba4b583ad107

      SHA512

      b6bb5ebe3a9b1d8f12d9b921fd111cb1d6fab83a72cc47c34b652b6079275486b83d4a5c0ba0692c43773a38cf5bd554eed2aebe48b0d0ef101c93578ed17b90

    • memory/1448-1095-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/1448-1103-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/4100-0-0x000000007478E000-0x000000007478F000-memory.dmp

      Filesize

      4KB

    • memory/4100-1-0x0000000000120000-0x0000000000178000-memory.dmp

      Filesize

      352KB

    • memory/4100-2-0x0000000074780000-0x0000000074F30000-memory.dmp

      Filesize

      7.7MB

    • memory/4100-3-0x00000000054A0000-0x00000000055BE000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-17-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-23-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-49-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-67-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-65-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-63-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-61-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-59-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-57-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-55-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-53-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-51-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-47-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-45-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-43-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-41-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-33-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-31-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-29-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-25-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-21-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-19-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-15-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-13-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-11-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-9-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-7-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-5-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-39-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-37-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-35-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-27-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-4-0x00000000054A0000-0x00000000055B7000-memory.dmp

      Filesize

      1.1MB

    • memory/4100-941-0x000000007478E000-0x000000007478F000-memory.dmp

      Filesize

      4KB

    • memory/4100-1079-0x0000000074780000-0x0000000074F30000-memory.dmp

      Filesize

      7.7MB

    • memory/4100-1080-0x0000000074780000-0x0000000074F30000-memory.dmp

      Filesize

      7.7MB

    • memory/4100-1081-0x0000000005860000-0x00000000058F8000-memory.dmp

      Filesize

      608KB

    • memory/4100-1082-0x0000000005630000-0x000000000567C000-memory.dmp

      Filesize

      304KB

    • memory/4100-1083-0x0000000006090000-0x0000000006634000-memory.dmp

      Filesize

      5.6MB

    • memory/4100-1084-0x0000000005A60000-0x0000000005AB4000-memory.dmp

      Filesize

      336KB

    • memory/4100-1089-0x0000000074780000-0x0000000074F30000-memory.dmp

      Filesize

      7.7MB

    • memory/4100-1091-0x0000000074780000-0x0000000074F30000-memory.dmp

      Filesize

      7.7MB

    • memory/4100-1090-0x0000000074780000-0x0000000074F30000-memory.dmp

      Filesize

      7.7MB

    • memory/4100-1100-0x0000000074780000-0x0000000074F30000-memory.dmp

      Filesize

      7.7MB