Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-06-2024 01:15

General

  • Target

    28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe

  • Size

    856KB

  • MD5

    e24419df6c7ac3cbfd80f7a8268ab759

  • SHA1

    0b40e02c810f89cd4f14b29261eb4a720b15e69b

  • SHA256

    28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793

  • SHA512

    9b1c2a40a3e92ed34b1866df59f37561e81df5573ea2f3aec1b79c6b78d919aedf11c6a9295f72d2619a07763590180660e147b1c6754996a718684efeef60f9

  • SSDEEP

    24576:0XYHRTim+Nq125N+Zr+7SLptrw6A+7ooNbVOqQ98y5/:7pim+8k5DSLbrwsxU98y5/

Score
10/10

Malware Config

Extracted

Family

remcos

Botnet

PUPIP

C2

zakriexports.com:1988

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

    PUBIP-97ETXB

  • 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.

  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 18 IoCs
  • Detects executables packed with or use KoiVM 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Runs regedit.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe
    "C:\Users\Admin\AppData\Local\Temp\28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Windows\regedit.exe
      "C:\Windows\regedit.exe"
      2⤵
      • Runs regedit.exe
      PID:772
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
      2⤵
        PID:2608
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
        2⤵
          PID:4116

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2608-10-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-23-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-11-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-26-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-6-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-7-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-8-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-5-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-9-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-4-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-27-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-12-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-22-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-20-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-21-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-18-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-17-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/2608-19-0x0000000000400000-0x0000000000482000-memory.dmp

        Filesize

        520KB

      • memory/4480-1-0x00007FFE31143000-0x00007FFE31145000-memory.dmp

        Filesize

        8KB

      • memory/4480-13-0x000002027A9D0000-0x000002027AB79000-memory.dmp

        Filesize

        1.7MB

      • memory/4480-16-0x00007FFE31140000-0x00007FFE31C01000-memory.dmp

        Filesize

        10.8MB

      • memory/4480-0-0x0000020260350000-0x000002026035E000-memory.dmp

        Filesize

        56KB

      • memory/4480-3-0x000002027BBD0000-0x000002027BCA0000-memory.dmp

        Filesize

        832KB

      • memory/4480-2-0x00007FFE31140000-0x00007FFE31C01000-memory.dmp

        Filesize

        10.8MB