Analysis

  • max time kernel
    148s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2024 11:26

General

  • Target

    Quotation.exe

  • Size

    2.2MB

  • MD5

    3dc93db22f80681d7d49143038d8ff8a

  • SHA1

    3726fd2ed48dd31b57e11c1d670e1544626eeee0

  • SHA256

    38e861d71b9182f040db8d503b709b57f1b73ba9cfa64abffbf57fa49457b6d0

  • SHA512

    79d911bae66ef159ea7f533b26279d003e6b71359626e7fc39c4442aea9c2419760e198529abe1d8f0b4628978b631cc09593baa6436425728ce26479c60ea7e

  • SSDEEP

    49152:4B1BRf3rOSzOzrFNj8e1KbWF8K7Vk3SZTH4OWOEkw/R8tDYWg1Zpb67aU2kmbguq:IaRrFCIeE7aUXwMP

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

ZIP

C2

vegetachcnc.com:2556

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

    chrome-76G0MC

  • 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 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe"
      2⤵
        PID:1856
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
        2⤵
          PID:2304
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
          2⤵
            PID:2264
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
            2⤵
            • System Location Discovery: System Language Discovery
            PID:1860

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1860-0-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-2-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-3-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-4-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-5-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-6-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-7-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-8-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-11-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-12-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-13-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-14-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-16-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-17-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-18-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-19-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-20-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/1860-21-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB