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Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/09/2024, 09:21

General

  • Target

    9ead88f3256dd9696c2edc3c82eea20a.exe

  • Size

    966KB

  • MD5

    9ead88f3256dd9696c2edc3c82eea20a

  • SHA1

    15d8a32c29a3e76c5b9dfa028027378635643d53

  • SHA256

    188deda69d75ea8500a51f43f7fba2c593cbd8bc98ffade3bac7f63b54f967f8

  • SHA512

    7592313feeb443521e67bca3a79577c375581029204519bfe00fd12e9ac254d6bdb34095ab8126311a8c163f59b4573e6c478b394d4fb55d1f8da01db256aa1d

  • SSDEEP

    12288:RiV++tJhExqlvnKHBG6hZXE7gr0dtJM7zxhlbUqa93XNHhPVxLtwZ6tS1Zby9dt9:Rk++5+MneBnhIgr0GVb0Xb7ZM6tS1Zm

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

103.186.116.220:6565

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

    Rmc-9XV80Z

  • 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.

  • Detected Nirsoft tools 7 IoCs

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

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 7 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
    "C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
      "C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4456
      • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
        C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\bvxjsri"
        3⤵
        • Suspicious use of UnmapMainImage
        PID:3380
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 12
          4⤵
          • Program crash
          PID:2956
      • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
        C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\lycttkslir"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:5008
      • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
        C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\wsqmucdfwzjhnf"
        3⤵
          PID:4044
        • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
          C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\wsqmucdfwzjhnf"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1828
        • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
          C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\qhddqbqrkwnszgupfymqfoxnlofrsqnwv"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:4664
        • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
          C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\tbjwr"
          3⤵
            PID:4224
          • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
            C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\tbjwr"
            3⤵
            • Accesses Microsoft Outlook accounts
            • System Location Discovery: System Language Discovery
            PID:4312
          • C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe
            C:\Users\Admin\AppData\Local\Temp\9ead88f3256dd9696c2edc3c82eea20a.exe /stext "C:\Users\Admin\AppData\Local\Temp\ddwhrmlmu"
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4496
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3380 -ip 3380
        1⤵
          PID:5068

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          4KB

          MD5

          ea01dd92b15d2f570f6b167dad2d1fd0

          SHA1

          7b89141d4c3eb2f29d096f28a9bfe66eb006224a

          SHA256

          0515f49138d74283f9ac1042fd1a384f715b74c2b99193454dbb0cd585097727

          SHA512

          0e7695aea30250a41829fa4abb681b8c3ed4c0955e18f1f9f3a5456bfb3a76f016f538e557bf29b99ab6ab48c846f9fa3c4bccd8cb5fe73099a81b5946029ec8

        • memory/1520-8-0x0000000074C40000-0x00000000753F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1520-1-0x0000000000390000-0x0000000000488000-memory.dmp

          Filesize

          992KB

        • memory/1520-3-0x0000000004EB0000-0x0000000004F42000-memory.dmp

          Filesize

          584KB

        • memory/1520-4-0x0000000004E70000-0x0000000004E7A000-memory.dmp

          Filesize

          40KB

        • memory/1520-5-0x0000000074C40000-0x00000000753F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1520-6-0x00000000053B0000-0x00000000053C0000-memory.dmp

          Filesize

          64KB

        • memory/1520-7-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

          Filesize

          4KB

        • memory/1520-18-0x0000000074C40000-0x00000000753F0000-memory.dmp

          Filesize

          7.7MB

        • memory/1520-2-0x00000000053C0000-0x0000000005964000-memory.dmp

          Filesize

          5.6MB

        • memory/1520-9-0x0000000006980000-0x0000000006A40000-memory.dmp

          Filesize

          768KB

        • memory/1520-10-0x0000000009050000-0x00000000090EC000-memory.dmp

          Filesize

          624KB

        • memory/1520-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

          Filesize

          4KB

        • memory/1828-37-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1828-29-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1828-35-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1828-33-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/1828-34-0x0000000000400000-0x0000000000424000-memory.dmp

          Filesize

          144KB

        • memory/3380-25-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/4456-52-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-61-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-24-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-22-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-69-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-68-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-67-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-20-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-19-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-66-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-15-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-65-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-17-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-14-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-64-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-63-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-12-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-11-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-54-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4456-57-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4456-58-0x0000000010000000-0x0000000010019000-memory.dmp

          Filesize

          100KB

        • memory/4456-59-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-21-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-60-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4456-62-0x0000000000400000-0x0000000000482000-memory.dmp

          Filesize

          520KB

        • memory/4664-43-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/4664-40-0x0000000000400000-0x0000000000478000-memory.dmp

          Filesize

          480KB

        • memory/5008-31-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/5008-36-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/5008-30-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/5008-28-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB

        • memory/5008-26-0x0000000000400000-0x0000000000462000-memory.dmp

          Filesize

          392KB