Analysis

  • max time kernel
    119s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-09-2024 12:48

General

  • Target

    762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe

  • Size

    914KB

  • MD5

    65a2ae161536afe861d87a96d917e390

  • SHA1

    c08dda60fdbc7b4fc1b85f2c6eee940f6fe404a4

  • SHA256

    762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0

  • SHA512

    ec260c5cf1ff1c1e4693a96cb5816f796941b0e19310d089c483a88ee4758b036f07fa3985193eee88715f51a69211f0ac9404beb7d0e783fa72e2a8804ffdfd

  • SSDEEP

    12288:Ednlt51J9D3Kj/2eD0hTvapNvrMllghG31BkuAsTXsBgshGm0Bb9hkoAx0DFdO2b:G51JN0Jyb0MEhGFONjhGxBbAfqDFdOb

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

192.3.220.30:2080

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-WOJOLL

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe
    "C:\Users\Admin\AppData\Local\Temp\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3592
    • C:\Users\Admin\AppData\Local\Temp\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe
      "C:\Users\Admin\AppData\Local\Temp\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe"
      2⤵
        PID:1180
      • C:\Users\Admin\AppData\Local\Temp\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe
        "C:\Users\Admin\AppData\Local\Temp\762a4639a01830c9e544e323bec65b9704d7639fe699fd7decf049e2c0a1dee0N.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:2564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2564-24-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-20-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-12-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-29-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-14-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-27-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-26-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-25-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-21-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-15-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-17-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-11-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-30-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-28-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-19-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/2564-16-0x0000000000400000-0x0000000000482000-memory.dmp

      Filesize

      520KB

    • memory/3592-10-0x00000000091E0000-0x000000000927C000-memory.dmp

      Filesize

      624KB

    • memory/3592-18-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/3592-9-0x0000000006AE0000-0x0000000006BA2000-memory.dmp

      Filesize

      776KB

    • memory/3592-1-0x00000000001E0000-0x00000000002CA000-memory.dmp

      Filesize

      936KB

    • memory/3592-8-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/3592-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

      Filesize

      4KB

    • memory/3592-7-0x00000000752EE000-0x00000000752EF000-memory.dmp

      Filesize

      4KB

    • memory/3592-6-0x0000000006630000-0x0000000006642000-memory.dmp

      Filesize

      72KB

    • memory/3592-5-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

      Filesize

      40KB

    • memory/3592-4-0x00000000752E0000-0x0000000075A90000-memory.dmp

      Filesize

      7.7MB

    • memory/3592-3-0x0000000004CE0000-0x0000000004D72000-memory.dmp

      Filesize

      584KB

    • memory/3592-2-0x0000000005290000-0x0000000005834000-memory.dmp

      Filesize

      5.6MB