Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2022 08:04

General

  • Target

    NEW ERUO ORDER.SCR.exe

  • Size

    1016KB

  • MD5

    87d248727141ea8053b5ded89750962b

  • SHA1

    654c2110cbe433f8697a2347e590d63a563c1f8b

  • SHA256

    236493354378eefc6203b957baa7df24b566d8e5b0f04523bbb060999cc8a227

  • SHA512

    aaee93e32842ae750414358b1b727764c968b8a8e3a8c0771b286df6e01b709583abd497d48189b047471271ea89f0517cb134022446ff93e184eda5a9f0cd61

  • SSDEEP

    12288:4ptk1UbDD5du/VAAiSdjXU4UZFGcVDmWsQaUUk3p82drYGBahHgGCUcZVpsNL:Mx5dAWCw4oIrrsp8WrYGFGCLbq

Malware Config

Extracted

Family

remcos

Botnet

IP-REMCOS

C2

91.192.100.12:2404

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-JS00ZN

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 13 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:112
      • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
        "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\pfajgyfbivrnrslhk"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1720
      • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
        "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\rhnchqpuwdjscghlctfs"
        3⤵
          PID:1964
        • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
          "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\rhnchqpuwdjscghlctfs"
          3⤵
            PID:1708
          • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
            "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\rhnchqpuwdjscghlctfs"
            3⤵
            • Accesses Microsoft Outlook accounts
            PID:920
          • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
            "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\bctmhjawkmbxemvplertoafd"
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1016
          • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
            "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\duvgcrc"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:952
          • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
            "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\owbzcjnijdm"
            3⤵
            • Accesses Microsoft Outlook accounts
            PID:1736
          • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
            "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\yqgkdcykxlelbv"
            3⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1192
          • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
            "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\mnbh"
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1844
          • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
            "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\xhgzaoo"
            3⤵
              PID:1272
            • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
              "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\xhgzaoo"
              3⤵
              • Accesses Microsoft Outlook accounts
              PID:1588
            • C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe
              "C:\Users\Admin\AppData\Local\Temp\NEW ERUO ORDER.SCR.exe" /stext "C:\Users\Admin\AppData\Local\Temp\hblsagzkubr"
              3⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:1728

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Credential Access

        Credentials in Files

        1
        T1081

        Collection

        Data from Local System

        1
        T1005

        Email Collection

        1
        T1114

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\duvgcrc
          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • C:\Users\Admin\AppData\Local\Temp\mnbh
          Filesize

          2B

          MD5

          f3b25701fe362ec84616a93a45ce9998

          SHA1

          d62636d8caec13f04e28442a0a6fa1afeb024bbb

          SHA256

          b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

          SHA512

          98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

        • memory/112-60-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-67-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-72-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-77-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-73-0x00000000004327A4-mapping.dmp
        • memory/112-61-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-63-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-76-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-66-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-65-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-68-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-70-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/112-99-0x0000000000400000-0x000000000047F000-memory.dmp
          Filesize

          508KB

        • memory/736-58-0x00000000057C0000-0x0000000005892000-memory.dmp
          Filesize

          840KB

        • memory/736-57-0x00000000004B0000-0x00000000004BC000-memory.dmp
          Filesize

          48KB

        • memory/736-59-0x00000000050D0000-0x000000000514C000-memory.dmp
          Filesize

          496KB

        • memory/736-56-0x00000000004A0000-0x00000000004B4000-memory.dmp
          Filesize

          80KB

        • memory/736-55-0x0000000076201000-0x0000000076203000-memory.dmp
          Filesize

          8KB

        • memory/736-54-0x0000000000850000-0x0000000000954000-memory.dmp
          Filesize

          1.0MB

        • memory/920-84-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/920-79-0x0000000000455238-mapping.dmp
        • memory/920-88-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/952-100-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

        • memory/952-90-0x0000000000476274-mapping.dmp
        • memory/952-98-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

        • memory/1016-82-0x0000000000422206-mapping.dmp
        • memory/1016-86-0x0000000000400000-0x0000000000424000-memory.dmp
          Filesize

          144KB

        • memory/1016-87-0x0000000000400000-0x0000000000424000-memory.dmp
          Filesize

          144KB

        • memory/1192-94-0x0000000000422206-mapping.dmp
        • memory/1192-97-0x0000000000400000-0x0000000000424000-memory.dmp
          Filesize

          144KB

        • memory/1588-108-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/1588-104-0x0000000000455238-mapping.dmp
        • memory/1720-85-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

        • memory/1720-89-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB

        • memory/1720-78-0x0000000000476274-mapping.dmp
        • memory/1728-105-0x0000000000422206-mapping.dmp
        • memory/1728-109-0x0000000000400000-0x0000000000424000-memory.dmp
          Filesize

          144KB

        • memory/1736-91-0x0000000000455238-mapping.dmp
        • memory/1736-96-0x0000000000400000-0x0000000000457000-memory.dmp
          Filesize

          348KB

        • memory/1844-102-0x0000000000476274-mapping.dmp
        • memory/1844-110-0x0000000000400000-0x0000000000478000-memory.dmp
          Filesize

          480KB