Analysis

  • max time kernel
    2s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    08/12/2023, 12:45

General

  • Target

    9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe

  • Size

    549KB

  • MD5

    29fbf68632718884833492e5a21f3f87

  • SHA1

    e4ae52d257e9265568a24e1165bf1b13aa8c8d90

  • SHA256

    9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4

  • SHA512

    821bafb4fcad712aa9cb3d7a58c71894a9692198cffb4038def13b2bbac877395c18ca3a44ea111f426682eceac793b510666b418b4586f01c014c1ab3718bec

  • SSDEEP

    12288:I4Actcny0/xPCOgVq+PFhmu01D15/dUaUO+nYj0L41c38BcDqV5:9AIcn3wOyqSFhHcFUaKYjNc3Wp

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

95.214.27.6:3348

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-CJTO0J

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe
    "C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c powershell set-mppreference -exclusionpath C:\
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1620
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell set-mppreference -exclusionpath C:\
        3⤵
          PID:2772
      • C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe
        C:\Users\Admin\AppData\Local\Temp\9c52b5632fae481ff2c6beb326577f8785b757fe4101857b98f59b3000ecc3f4.exe
        2⤵
          PID:2832

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\remcos\logs.dat

              Filesize

              144B

              MD5

              18c807b7d870d9f265cc2827e723d121

              SHA1

              4278f66065a4a8e28069256067e6447ec1bda562

              SHA256

              82476e8ed4827de83a240619c5dbaf1958d59ee8acaa75172f9d708696b1bf44

              SHA512

              50bc3ac16871fd80096901eba384faa7acec502ae38b2df73d7ac5b6a9f5716529d6c2eb28d5813c51a77beb12c07af1bf326b3d4d6915370bc7634b9de64abc

            • memory/1736-3-0x0000000004500000-0x0000000004540000-memory.dmp

              Filesize

              256KB

            • memory/1736-2-0x00000000046C0000-0x000000000473E000-memory.dmp

              Filesize

              504KB

            • memory/1736-26-0x0000000074C30000-0x000000007531E000-memory.dmp

              Filesize

              6.9MB

            • memory/1736-4-0x0000000004B80000-0x0000000004BEE000-memory.dmp

              Filesize

              440KB

            • memory/1736-5-0x0000000000450000-0x000000000049C000-memory.dmp

              Filesize

              304KB

            • memory/1736-1-0x0000000074C30000-0x000000007531E000-memory.dmp

              Filesize

              6.9MB

            • memory/1736-0-0x0000000000050000-0x00000000000DE000-memory.dmp

              Filesize

              568KB

            • memory/2772-38-0x0000000074C90000-0x000000007523B000-memory.dmp

              Filesize

              5.7MB

            • memory/2772-37-0x00000000003C0000-0x0000000000400000-memory.dmp

              Filesize

              256KB

            • memory/2772-34-0x0000000074C90000-0x000000007523B000-memory.dmp

              Filesize

              5.7MB

            • memory/2772-36-0x00000000003C0000-0x0000000000400000-memory.dmp

              Filesize

              256KB

            • memory/2772-35-0x0000000074C90000-0x000000007523B000-memory.dmp

              Filesize

              5.7MB

            • memory/2832-9-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-13-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-23-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2832-19-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-17-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-11-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-31-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-7-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-32-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-27-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-25-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-15-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-33-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-43-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-44-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-8-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-49-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-50-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-56-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-57-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-62-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-63-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-68-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-70-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-75-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB

            • memory/2832-76-0x0000000000400000-0x0000000000482000-memory.dmp

              Filesize

              520KB