Analysis

  • max time kernel
    152s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 16:25

General

  • Target

    3b4ad4237035e023bb59ef3afeb288f758e7968601ebc90bda4d22e86714aae5.exe

  • Size

    228KB

  • MD5

    8405950997d0b58a06f6e43e496546d0

  • SHA1

    7482e7358ae7916d33acc8fde30ca38df722b8d6

  • SHA256

    3b4ad4237035e023bb59ef3afeb288f758e7968601ebc90bda4d22e86714aae5

  • SHA512

    c499dda7da11a1a5d9c1edb8f1af92aae508907e766d7d9baa86b7a7e63fe0aefac86b6e53ccc1d64db132c182265b0b95b24b06a5090f48c5efe7d225b344c4

  • SSDEEP

    3072:fmkirE4TYOTPI/YXYqqd8MoNrozX+h2RAGCD6fjtQ/kD:fmAT3/qqdGrhAeyBQ/Q

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 53 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b4ad4237035e023bb59ef3afeb288f758e7968601ebc90bda4d22e86714aae5.exe
    "C:\Users\Admin\AppData\Local\Temp\3b4ad4237035e023bb59ef3afeb288f758e7968601ebc90bda4d22e86714aae5.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Users\Admin\hwbeim.exe
      "C:\Users\Admin\hwbeim.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4120

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\hwbeim.exe

          Filesize

          228KB

          MD5

          9934724182f6c16c313ded1420bdb338

          SHA1

          205653c521193fcc7de54f158d5d53853e24b360

          SHA256

          6aa7c329f93e40d935d2476e5efcd69c11faa91b85e91af27d21b5622f7f79d4

          SHA512

          11de887313f800b029f3a9ab208844a594c29eb74d7cabd61cb3a7249ce7359bb3ff847d5b6769148410cece666a8abf8bfbf1b3f8c37d9dc7ab44e3430d7a64

        • C:\Users\Admin\hwbeim.exe

          Filesize

          228KB

          MD5

          9934724182f6c16c313ded1420bdb338

          SHA1

          205653c521193fcc7de54f158d5d53853e24b360

          SHA256

          6aa7c329f93e40d935d2476e5efcd69c11faa91b85e91af27d21b5622f7f79d4

          SHA512

          11de887313f800b029f3a9ab208844a594c29eb74d7cabd61cb3a7249ce7359bb3ff847d5b6769148410cece666a8abf8bfbf1b3f8c37d9dc7ab44e3430d7a64