Analysis

  • max time kernel
    150s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    15/02/2024, 12:57

General

  • Target

    x.exe

  • Size

    1.1MB

  • MD5

    82c03d76128f5d265a08c4ef25253a77

  • SHA1

    a5574eab34c1d0a7369ccaf170049abf5b182757

  • SHA256

    6199a5b279106eeee9057da8cf8f8e082431020ed4ae896afda6b1e161ee05c1

  • SHA512

    e58cf49c764e4d0a7a471eb1f14258ba9145edd6a7ff03094f41a0ad4ee2669367506f284d8682bb13abe5ab35488843c875506b0bc643831bf3bd733efb4661

  • SSDEEP

    24576:AqgA++KlhfcLHUip/TvCkV0uf5ZmH1OvrpPwCwb:AdxpsvCkCua1Opo

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

QHost

C2

172.245.208.5:2060

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-2OLA39

  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\x.exe
    "C:\Users\Admin\AppData\Local\Temp\x.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1648
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2628

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\remcos\logs.dat

          Filesize

          144B

          MD5

          fa7f103b92c87ba168bb914339278612

          SHA1

          fc8d07711a248b05e886c92ce09832bf164b2573

          SHA256

          bae853b306917b4c497a94ab0a8818e125063b7cfed70820a34a1686001524e7

          SHA512

          6c29fb52a07bae802a8e5ece944d63e9d809d9a63df52c91f47d74000a4f16200402181738c5ca44110189ecb5cf470d04ea84a62684bb2e70fe26f1996a348f

        • memory/1648-0-0x00000000002B0000-0x00000000003D6000-memory.dmp

          Filesize

          1.1MB

        • memory/1648-1-0x0000000074D40000-0x000000007542E000-memory.dmp

          Filesize

          6.9MB

        • memory/1648-2-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

          Filesize

          256KB

        • memory/1648-3-0x0000000004250000-0x0000000004294000-memory.dmp

          Filesize

          272KB

        • memory/1648-4-0x0000000074D40000-0x000000007542E000-memory.dmp

          Filesize

          6.9MB

        • memory/1648-5-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

          Filesize

          256KB

        • memory/1648-6-0x0000000000860000-0x000000000087A000-memory.dmp

          Filesize

          104KB

        • memory/1648-7-0x0000000000590000-0x0000000000596000-memory.dmp

          Filesize

          24KB

        • memory/1648-20-0x0000000074D40000-0x000000007542E000-memory.dmp

          Filesize

          6.9MB

        • memory/2628-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2628-23-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-12-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-13-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-14-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-15-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-10-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-18-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-19-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-9-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-21-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-11-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-24-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-25-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-26-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-27-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-28-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-34-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-35-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-8-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-42-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/2628-43-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB