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Analysis

  • max time kernel
    9s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 03:39

General

  • Target

    c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe

  • Size

    444KB

  • MD5

    8c25b72212c4f8c22abe23a178b672f4

  • SHA1

    fbe6d93d1d0df007b5436ee8d89da4e9881e2da9

  • SHA256

    c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40

  • SHA512

    524b2d8cd6975d078a9beaae5d2639e609b868625ca4136c44c876f401b6b8f6a612535f3708d55812ea9adcec8fdefe7dc0ff79b783a594caac56c1518585df

  • SSDEEP

    12288:Xq5q3C4c0C3jaJBaPHaKx8Xk8NxagaElleY:65czc3Ywt8XzNxagaClz

Malware Config

Signatures

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe
    "C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe
      "C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:272
      • C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe
        "C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data.dmp
        3⤵
          PID:1328
        • C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe
          "C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data1.dmp
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1136
        • C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe
          "C:\Users\Admin\AppData\Local\Temp\c4b4d10e9d967a006505907d46fa42354ffca0cce0987cf629708ea780260e40.exe" /scomma C:\Users\Admin\AppData\Local\Temp\data2.dmp
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:1704

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/272-56-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-57-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-59-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-60-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-61-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-62-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-63-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-65-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-67-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-85-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/272-68-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1136-75-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1136-77-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1136-94-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1136-92-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1136-88-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1328-90-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1328-72-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1328-70-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1328-98-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1328-95-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/1704-93-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1704-91-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1704-82-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1704-96-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1704-97-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/1704-80-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2028-69-0x0000000075811000-0x0000000075813000-memory.dmp

      Filesize

      8KB