Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 16:33

General

  • Target

    ef192c5214a283a66a48c8a98399b6ad8a3c7da15b786884419561787b93757c.exe

  • Size

    172KB

  • MD5

    111619740c797152816f41daf8154149

  • SHA1

    2ff656c5a101e7c563fcc849fb188c51fa262a91

  • SHA256

    ef192c5214a283a66a48c8a98399b6ad8a3c7da15b786884419561787b93757c

  • SHA512

    b5741ee6cbfd79f9d3148439f29a5eb6c1e6c7fcedd6f22fac9aec735fa7e461b278afad823c469450194861dcde5d5e2e173adafed7b9d4632276c46049e756

  • SSDEEP

    3072:j5esFonoVD8oSx/mvXAFIFR7Nzim04f1fhLOG7GQiCLMt8Xt/Wv6mgek:j5eWoUD8oSx/mvXAFIFR7N7DfhhLOG72

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 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 49 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef192c5214a283a66a48c8a98399b6ad8a3c7da15b786884419561787b93757c.exe
    "C:\Users\Admin\AppData\Local\Temp\ef192c5214a283a66a48c8a98399b6ad8a3c7da15b786884419561787b93757c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Users\Admin\haizo.exe
      "C:\Users\Admin\haizo.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
      • Suspicious use of WriteProcessMemory
      PID:4456

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\haizo.exe

          Filesize

          172KB

          MD5

          27667cee0415b1d23c04c80decda1fb7

          SHA1

          c3d3ec2b53557e60592a4c58b699138b7fd94d0e

          SHA256

          cc33c8ed6386f6b574b0690dc1da276cdb4cae6fab4c3d0b2dbec664f1e3ec48

          SHA512

          b0993c49b03bf603f4d558a9c666850f4cbe209c87f8c739ca071463230c8ffc60751579aaab2bcb7aac397d1b2bbba96ad23fc0f49f6059599c644bbeec838b

        • C:\Users\Admin\haizo.exe

          Filesize

          172KB

          MD5

          27667cee0415b1d23c04c80decda1fb7

          SHA1

          c3d3ec2b53557e60592a4c58b699138b7fd94d0e

          SHA256

          cc33c8ed6386f6b574b0690dc1da276cdb4cae6fab4c3d0b2dbec664f1e3ec48

          SHA512

          b0993c49b03bf603f4d558a9c666850f4cbe209c87f8c739ca071463230c8ffc60751579aaab2bcb7aac397d1b2bbba96ad23fc0f49f6059599c644bbeec838b