Analysis

  • max time kernel
    220s
  • max time network
    232s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-12-2022 12:33

General

  • Target

    d67436f9eaccfdfac2ba7e6e193e0723f1f4700e4341910c24462bd0d0a3c8fe.exe

  • Size

    132KB

  • MD5

    e316ca10ca36bf16d8a12b65c1738be9

  • SHA1

    0d3fe44389a5e0ef52adf631037f081b0af439ec

  • SHA256

    d67436f9eaccfdfac2ba7e6e193e0723f1f4700e4341910c24462bd0d0a3c8fe

  • SHA512

    045e31f48bb41ad31bd2b749814c9d9012dccc87803ed02af4af49b131298e9fc957486f798e203d5728f4672b5999dc766da00dbabd82ad12cf5c6c2fba24ce

  • SSDEEP

    3072:fHvT/uIO3SexfF7C+Kqyyyc6CzgwL5+pta:fPTW7xfF+hm9zgwLI

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 54 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\d67436f9eaccfdfac2ba7e6e193e0723f1f4700e4341910c24462bd0d0a3c8fe.exe
    "C:\Users\Admin\AppData\Local\Temp\d67436f9eaccfdfac2ba7e6e193e0723f1f4700e4341910c24462bd0d0a3c8fe.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:4540
    • C:\Users\Admin\piiweb.exe
      "C:\Users\Admin\piiweb.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:208

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\piiweb.exe

    Filesize

    132KB

    MD5

    895b74ed44a6b26d4190f22aa612bf34

    SHA1

    4ddda16699aeb3bd95ca49e41ed1621739609ede

    SHA256

    5af931bc21ffaf7f0dff27c4812d291047c369f4eb71efe75839da4428cc5363

    SHA512

    751eec244feabc781ed383b015435be2da0ef64fe176fa358663a458804b8aae45609506566b92edf9ad7f541b0295e978e92b7aec4c2d7d46a0da973524c37d

  • C:\Users\Admin\piiweb.exe

    Filesize

    132KB

    MD5

    895b74ed44a6b26d4190f22aa612bf34

    SHA1

    4ddda16699aeb3bd95ca49e41ed1621739609ede

    SHA256

    5af931bc21ffaf7f0dff27c4812d291047c369f4eb71efe75839da4428cc5363

    SHA512

    751eec244feabc781ed383b015435be2da0ef64fe176fa358663a458804b8aae45609506566b92edf9ad7f541b0295e978e92b7aec4c2d7d46a0da973524c37d