Overview

overview

10

Static

static

3

0e248ef8cd...8d.exe

windows7-x64

10

0e248ef8cd...8d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-11-2024 17:45

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General

  • Target

    0e248ef8cd0d758d18a56d6af3b577628e428954059e666641aa4fe1ee407c8d.exe

  • Size

    1.2MB

  • MD5

    9ddd4a2b7410441f0cf78739046eb732

  • SHA1

    08c58c8bcbe0f9475898b74daff61cf9b6e95fb3

  • SHA256

    0e248ef8cd0d758d18a56d6af3b577628e428954059e666641aa4fe1ee407c8d

  • SHA512

    2201278a617e7b6428cc49e98c8fe976c53a5e006715a1dd8b1d7027c94f144d093a96a708472a03f7252a4b7df393a877ac208495e5b5132cbaca78a3d9b98d

  • SSDEEP

    24576:8BOtGnZ12iiD5NNpcqTeNZX0UuZIRC6p4Tr5:8B4gZApr6N50UueRC66d

Score
10/10
remcosgasplantevasionexecutionrattrojan

Malware Config

Extracted

Family

remcos

Botnet

GASPLANT

C2

dotatech.de:30908

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-SYTYBI

  • 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.

    ratremcos
  • Remcos family
    remcos
  • UAC bypass 3 TTPs 1 IoCs
    evasiontrojan
  • Windows security bypass 2 TTPs 2 IoCs
    evasiontrojan
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Windows security modification 2 TTPs 3 IoCs
    evasiontrojan
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
    evasiontrojan
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e248ef8cd0d758d18a56d6af3b577628e428954059e666641aa4fe1ee407c8d.exe
    "C:\Users\Admin\AppData\Local\Temp\0e248ef8cd0d758d18a56d6af3b577628e428954059e666641aa4fe1ee407c8d.exe"
    1⤵
    • UAC bypass
    • Windows security bypass
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:4496
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0e248ef8cd0d758d18a56d6af3b577628e428954059e666641aa4fe1ee407c8d.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1584
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ngen.exe"
      2⤵
        PID:3664
      • C:\Windows\System32\calc.exe
        "C:\Windows\System32\calc.exe"
        2⤵
          PID:1368
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
          2⤵
          • Suspicious use of UnmapMainImage
          PID:3944
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3944 -s 12
            3⤵
            • Program crash
            PID:5068
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\ilasm.exe"
          2⤵
            PID:5024
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3944 -ip 3944
          1⤵
            PID:32

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qn0brjgd.hqd.ps1
            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            Download Submit

          • memory/1584-4-0x00007FFB27EC0000-0x00007FFB28981000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/1584-5-0x00007FFB27EC0000-0x00007FFB28981000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/1584-11-0x000001AFD2580000-0x000001AFD25A2000-memory.dmp

            Filesize

            136KB

            Download

          • memory/1584-16-0x00007FFB27EC0000-0x00007FFB28981000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/1584-20-0x00007FFB27EC0000-0x00007FFB28981000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/3944-17-0x0000000000400000-0x000000000047F000-memory.dmp

            Filesize

            508KB

            Download

          • memory/4496-0-0x00007FFB27EC3000-0x00007FFB27EC5000-memory.dmp

            Filesize

            8KB

            Download

          • memory/4496-1-0x0000014FC9C80000-0x0000014FC9C88000-memory.dmp

            Filesize

            32KB

            Download

          • memory/4496-2-0x00007FFB27EC0000-0x00007FFB28981000-memory.dmp

            Filesize

            10.8MB

            Download

          • memory/4496-3-0x0000014FE4150000-0x0000014FE4222000-memory.dmp

            Filesize

            840KB

            Download

          • memory/4496-21-0x00007FFB27EC0000-0x00007FFB28981000-memory.dmp

            Filesize

            10.8MB

            Download