Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    05/08/2023, 14:17

General

  • Target

    75e57d3f76491b9bc7fe155b20ea8f9498892bd54a34824fca50bf0ae4a1902e_JC.exe

  • Size

    909KB

  • MD5

    4853aa5ad98757a756f1acfe1bed460d

  • SHA1

    816027f9fbce3d22624db698ede23a2d4cc25023

  • SHA256

    75e57d3f76491b9bc7fe155b20ea8f9498892bd54a34824fca50bf0ae4a1902e

  • SHA512

    756dc810b13bf18bad2495b78afbfd0fee281de55eadc5a24b2ebd4ece60bffba01420f3edcc42994500d5978a277e832fb8627c058a2a7cac52bfcb25065097

  • SSDEEP

    24576:F+1IOE/QNWkphcu3WGMPBGqHsOGCP9xMS5RkP5:F+1XrhcuW3GqBGCP9x/5RK5

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

Thcinc

C2

b6079658.sytes.net:6110

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    thcinc.exe

  • copy_folder

    Thcinc

  • 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

    thcinc

  • mouse_option

    false

  • mutex

    Rmc-X26LV5

  • 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
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\75e57d3f76491b9bc7fe155b20ea8f9498892bd54a34824fca50bf0ae4a1902e_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\75e57d3f76491b9bc7fe155b20ea8f9498892bd54a34824fca50bf0ae4a1902e_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Users\Admin\AppData\Local\Temp\75e57d3f76491b9bc7fe155b20ea8f9498892bd54a34824fca50bf0ae4a1902e_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\75e57d3f76491b9bc7fe155b20ea8f9498892bd54a34824fca50bf0ae4a1902e_JC.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1040

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\thcinc\logs.dat

          Filesize

          144B

          MD5

          f92252039edc2b413f4b9e9ee147be74

          SHA1

          9ba83c4aa2f02de5c00d286f7dac0db03eaa689b

          SHA256

          a4f5d2d858f0688c1ab613dc4eb1dfdf260505496d8f37d3eccfeb8e15df8725

          SHA512

          1603d910b2562add14451c9385841d53b4bd61c7b48acf55c0eef6b9c1f6a73c441c94dd07a2c40c173115957a8fb95d4b35f8c7cb83096bd88456e3ae4c161f

        • memory/1040-78-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-81-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-121-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-120-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-113-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-80-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-112-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-61-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-62-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-63-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-64-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-68-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-66-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-70-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-72-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-74-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1040-76-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-105-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-104-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-97-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-96-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-83-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-84-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-85-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-86-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-87-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-90-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1040-93-0x0000000000400000-0x0000000000481000-memory.dmp

          Filesize

          516KB

        • memory/1556-59-0x00000000005B0000-0x00000000005BA000-memory.dmp

          Filesize

          40KB

        • memory/1556-79-0x0000000074C00000-0x00000000752EE000-memory.dmp

          Filesize

          6.9MB

        • memory/1556-54-0x0000000074C00000-0x00000000752EE000-memory.dmp

          Filesize

          6.9MB

        • memory/1556-55-0x0000000004D90000-0x0000000004DD0000-memory.dmp

          Filesize

          256KB

        • memory/1556-53-0x00000000010D0000-0x00000000011BA000-memory.dmp

          Filesize

          936KB

        • memory/1556-60-0x0000000005770000-0x0000000005828000-memory.dmp

          Filesize

          736KB

        • memory/1556-58-0x0000000004D90000-0x0000000004DD0000-memory.dmp

          Filesize

          256KB

        • memory/1556-57-0x0000000074C00000-0x00000000752EE000-memory.dmp

          Filesize

          6.9MB

        • memory/1556-56-0x0000000000510000-0x0000000000520000-memory.dmp

          Filesize

          64KB