Analysis

  • max time kernel
    148s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 3 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • UPX packed file 8 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 28 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:3080
    • 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:1396
      • 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:2816
        • 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 behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1904
        • 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:2884

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1396-151-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1396-135-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1396-136-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1396-137-0x0000000000400000-0x000000000045F000-memory.dmp

      Filesize

      380KB

    • memory/1904-142-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1904-155-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1904-147-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/1904-149-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/2816-143-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/2816-139-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/2816-153-0x0000000000400000-0x0000000000454000-memory.dmp

      Filesize

      336KB

    • memory/2884-146-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2884-150-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2884-152-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2884-154-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB

    • memory/2884-156-0x0000000000400000-0x000000000041F000-memory.dmp

      Filesize

      124KB