Overview

overview

10

Static

static

3

New_Order_...df.exe

windows7-x64

1

New_Order_...df.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/11/2024, 15:39

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General

  • Target

    New_Order_#070824_Order_September-2024_pdf.exe

  • Size

    3.1MB

  • MD5

    808f7b6704801d34b4701ecb6f80dbc8

  • SHA1

    d2b7995261a2509a01befc47ac7f0312ee8098e3

  • SHA256

    656d12a418690008f2d39f2712052f1934f9920d7eda2a16a628a81750b89e40

  • SHA512

    6b847aa0f868535cddeac033ec2d9ac7691e1991ebb55b0a648dd343e6d51ed2b70b72105c14d919871d42f33df77c68b86f6091a2806e288ce0d90700037e33

  • SSDEEP

    24576:yNd2Vr5nJxq0Kcx0Oxe4+Nes0zGhQ6/k9RY:yDgdDx0IW/S9Q

Score
10/10
remcosremotehostevasionexecutionrattrojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

198.46.178.148:2404

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

    Rmc-LAHLH8

  • 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).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\New_Order_#070824_Order_September-2024_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\New_Order_#070824_Order_September-2024_pdf.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 AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1084
    • 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\New_Order_#070824_Order_September-2024_pdf.exe" -Force
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2408
    • C:\Windows\System32\calc.exe
      "C:\Windows\System32\calc.exe"
      2⤵
        PID:976
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        2⤵
          PID:3980
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
          2⤵
            PID:4340

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u1ocvz4g.bde.ps1
          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          Download Submit

        • memory/1084-0-0x00007FF8E8383000-0x00007FF8E8385000-memory.dmp

          Filesize

          8KB

          Download

        • memory/1084-1-0x000001F23BB30000-0x000001F23BB38000-memory.dmp

          Filesize

          32KB

          Download

        • memory/1084-2-0x000001F255EF0000-0x000001F255FC2000-memory.dmp

          Filesize

          840KB

          Download

        • memory/1084-3-0x00007FF8E8380000-0x00007FF8E8E41000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/1084-21-0x00007FF8E8380000-0x00007FF8E8E41000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/2408-4-0x00007FF8E8380000-0x00007FF8E8E41000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/2408-5-0x00007FF8E8380000-0x00007FF8E8E41000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/2408-6-0x00007FF8E8380000-0x00007FF8E8E41000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/2408-16-0x0000019BA9BC0000-0x0000019BA9BE2000-memory.dmp

          Filesize

          136KB

          Download

        • memory/2408-20-0x00007FF8E8380000-0x00007FF8E8E41000-memory.dmp

          Filesize

          10.8MB

          Download

        • memory/3980-17-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

          Download