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Analysis

  • max time kernel
    180s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2024, 23:23

General

  • Target

    98c6b6fe85f940f647fb9dcb232a837b.exe

  • Size

    1.1MB

  • MD5

    98c6b6fe85f940f647fb9dcb232a837b

  • SHA1

    ae5a09d89039cab8bf272ba241391e1662be8e06

  • SHA256

    00f2682d1cc39105f8573a805b6fd181445eccd2de6b3727f31d0cfa20519378

  • SHA512

    0be6173f01e0bc585f467e1bb9104465dd2886619d8f51ea31feb16821a0719696f94024df84a91f8f97ed77e44cd2cfe03c4da460b186e1b9bf1af66a6839c5

  • SSDEEP

    24576:GrW6ZpTN4bBon3O6N1IZrt0SUqBSpQnrWhg8O1HYjKEPPzK8IVCVek:0WMebBoTNMJ0S2pQcg8MH/EXzK8FIk

Malware Config

Extracted

Family

remcos

Botnet

new2709

C2

nuevospa.con-ip.com:2709

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

    loggsdsce

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Rmc1214550111-8ILYZA

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    

  • 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:3464
      • C:\Users\Admin\AppData\Local\Temp\98c6b6fe85f940f647fb9dcb232a837b.exe
        "C:\Users\Admin\AppData\Local\Temp\98c6b6fe85f940f647fb9dcb232a837b.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:3192
      • 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:4972

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\loggsdsce\logs.dat

      Filesize

      184B

      MD5

      fdbd83fbd7f6c41f078fb8523ee45344

      SHA1

      66aad83bd01a67b3e53f60c3fef49ce50eb8d111

      SHA256

      86f6d40e718a09cf93ceea2c90fc00fd464ed80af302db123a52aacf526e94fa

      SHA512

      568350edc53c97e0dbb469db6ce3dba73eff8e913641893aa001cb32f66d598dadc59b7d9de2c98b0fd57002927678b2f02885b3380f5540962d13b5c46c9237

    • memory/3192-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

      Filesize

      4KB

    • memory/3192-1-0x0000000000790000-0x00000000008BC000-memory.dmp

      Filesize

      1.2MB

    • memory/3192-2-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-3-0x0000000005250000-0x000000000536C000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-4-0x00000000054E0000-0x00000000055FC000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-18-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-20-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-60-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-68-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-66-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-64-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-62-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-56-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-54-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-52-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-50-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-48-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-44-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-42-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-38-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-36-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-34-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-32-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-28-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-26-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-24-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-22-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-16-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-14-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-12-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-10-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-8-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-6-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-58-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-46-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-40-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-30-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-5-0x00000000054E0000-0x00000000055F7000-memory.dmp

      Filesize

      1.1MB

    • memory/3192-1077-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-1078-0x00000000056A0000-0x0000000005738000-memory.dmp

      Filesize

      608KB

    • memory/3192-1079-0x00000000057A0000-0x00000000057EC000-memory.dmp

      Filesize

      304KB

    • memory/3192-1083-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-1084-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-1086-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-1085-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3192-1087-0x00000000060A0000-0x0000000006644000-memory.dmp

      Filesize

      5.6MB

    • memory/3192-1088-0x0000000005820000-0x0000000005874000-memory.dmp

      Filesize

      336KB

    • memory/3192-1093-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/4972-1094-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/4972-1107-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB