Analysis

  • max time kernel
    147s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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 12 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:4032
    • 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:4160

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\remcos\logs.dat

          Filesize

          144B

          MD5

          d6b1e7c977e14ec8808dae3453bf4c90

          SHA1

          cf92a1ff2a16b0440d7d53ccedb4d3da3b6d2643

          SHA256

          522b092a03b6faba861e030d27f3b66b2ad81b119cf97b7551b4acebe312cffd

          SHA512

          8a98e3196b75a52b42014d132eda989a8f60a854946147f925e6d41c2dc24a308316e77ccedcad7cf627934b848bd84f21ce730f4358073320b39995b0f6faf5

        • memory/4032-8-0x0000000004F30000-0x0000000004F40000-memory.dmp

          Filesize

          64KB

        • memory/4032-11-0x0000000004F30000-0x0000000004F40000-memory.dmp

          Filesize

          64KB

        • memory/4032-3-0x00000000054F0000-0x0000000005A94000-memory.dmp

          Filesize

          5.6MB

        • memory/4032-4-0x0000000004F30000-0x0000000004F40000-memory.dmp

          Filesize

          64KB

        • memory/4032-5-0x0000000005380000-0x00000000053C4000-memory.dmp

          Filesize

          272KB

        • memory/4032-6-0x0000000005AA0000-0x0000000005B32000-memory.dmp

          Filesize

          584KB

        • memory/4032-2-0x0000000004D70000-0x0000000004E0C000-memory.dmp

          Filesize

          624KB

        • memory/4032-9-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/4032-7-0x0000000005490000-0x000000000549A000-memory.dmp

          Filesize

          40KB

        • memory/4032-10-0x0000000004F30000-0x0000000004F40000-memory.dmp

          Filesize

          64KB

        • memory/4032-17-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/4032-12-0x0000000007290000-0x00000000072AA000-memory.dmp

          Filesize

          104KB

        • memory/4032-13-0x00000000098F0000-0x00000000098F6000-memory.dmp

          Filesize

          24KB

        • memory/4032-0-0x0000000000220000-0x0000000000346000-memory.dmp

          Filesize

          1.1MB

        • memory/4032-1-0x0000000074860000-0x0000000075010000-memory.dmp

          Filesize

          7.7MB

        • memory/4160-14-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-18-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-20-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-21-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-22-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-23-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-24-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-25-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-16-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-33-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-34-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-41-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4160-42-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB