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Resubmissions

27/08/2023, 09:11

230827-k5zhrsgf47 10

27/08/2023, 09:04

230827-k1xtdage92 10

Analysis

  • max time kernel
    359s
  • max time network
    361s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    27/08/2023, 09:04

General

  • Target

    shell-x86.exe

  • Size

    72KB

  • MD5

    731a851ba42100f006f2c6529bafbd93

  • SHA1

    68733cb8fb9692a49fc1335d17b563ede9cddc8c

  • SHA256

    7625ea528bb506a8fb7501348eaf4271070830600dca0ef4be3ea4856844c07f

  • SHA512

    30282a29901fa33dfd4c8222e7d9ed8bae186af76173bfc3cae50b81442b6fc4b99e46a28b6830b5de21f48262cd903933cecd78cd98112d84a8528c448fc93a

  • SSDEEP

    1536:IoFsvW69TtaorCtiwyQNUW+i6Zha5kfit3cMb+KR0Nc8QsJq39:BFsu679QNj+i6y6fitMe0Nc8QsC9

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

147.185.221.16:33811

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Drops file in Drivers directory 39 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops desktop.ini file(s) 51 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\shell-x86.exe
    "C:\Users\Admin\AppData\Local\Temp\shell-x86.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe
      2⤵
      • Drops file in Drivers directory
      • Drops desktop.ini file(s)
      • Drops autorun.inf file
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      PID:572
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe
      2⤵
        PID:3060

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2496-0-0x0000000000020000-0x0000000000021000-memory.dmp

      Filesize

      4KB

    • memory/2496-2-0x0000000000420000-0x0000000000451000-memory.dmp

      Filesize

      196KB

    • memory/2496-1-0x00000000003B0000-0x00000000003DB000-memory.dmp

      Filesize

      172KB

    • memory/2496-6-0x0000000000420000-0x0000000000451000-memory.dmp

      Filesize

      196KB

    • memory/2496-7-0x0000000000420000-0x0000000000451000-memory.dmp

      Filesize

      196KB

    • memory/2496-14-0x0000000002040000-0x0000000002140000-memory.dmp

      Filesize

      1024KB

    • memory/2496-15-0x0000000002140000-0x00000000021A1000-memory.dmp

      Filesize

      388KB

    • memory/2496-20-0x0000000000420000-0x0000000000451000-memory.dmp

      Filesize

      196KB

    • memory/2496-35-0x0000000002530000-0x0000000002554000-memory.dmp

      Filesize

      144KB

    • memory/2496-36-0x0000000002040000-0x0000000002140000-memory.dmp

      Filesize

      1024KB

    • memory/2496-41-0x0000000000420000-0x0000000000451000-memory.dmp

      Filesize

      196KB

    • memory/2496-42-0x00000000003B0000-0x00000000003DB000-memory.dmp

      Filesize

      172KB

    • memory/2496-43-0x0000000002040000-0x0000000002140000-memory.dmp

      Filesize

      1024KB

    • memory/2496-46-0x00000000003E0000-0x00000000003E1000-memory.dmp

      Filesize

      4KB

    • memory/2496-48-0x00000000026A0000-0x00000000026D2000-memory.dmp

      Filesize

      200KB

    • memory/2496-50-0x00000000026A0000-0x00000000026D2000-memory.dmp

      Filesize

      200KB

    • memory/2496-51-0x0000000002820000-0x0000000002857000-memory.dmp

      Filesize

      220KB

    • memory/2496-52-0x0000000002040000-0x0000000002140000-memory.dmp

      Filesize

      1024KB

    • memory/2496-63-0x0000000000420000-0x0000000000451000-memory.dmp

      Filesize

      196KB

    • memory/2496-66-0x0000000000420000-0x0000000000451000-memory.dmp

      Filesize

      196KB