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Analysis

  • max time kernel
    156s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/10/2022, 15:41

General

  • Target

    77438645917ca43a178aa7b422a46fde8395d4e917465577958d18b638d9bef4.exe

  • Size

    280KB

  • MD5

    836c37c2a3cb046ad6ee8d26ce6674bf

  • SHA1

    b3f05464435f87fcdc2c2e3d7a5f6631080eb8cc

  • SHA256

    77438645917ca43a178aa7b422a46fde8395d4e917465577958d18b638d9bef4

  • SHA512

    fe2e4aca384be20ce19c55c533732bb2b367388aee086d7efc1a965e0a74d114208964b1ce8e494e5ecd1b07612fdee3728cdebb4ecf89912448549042afbb1f

  • SSDEEP

    3072:DkW/vIu2kT/Ozb1/7Vc1tdjZQQLnQhhyBZ8Irfdaqebssot7rFVtWzdbcZgBX:DPWK2bVMJuQ0hhynfdaJqNrtWzC2

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\77438645917ca43a178aa7b422a46fde8395d4e917465577958d18b638d9bef4.exe
    "C:\Users\Admin\AppData\Local\Temp\77438645917ca43a178aa7b422a46fde8395d4e917465577958d18b638d9bef4.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:1856
    • C:\Users\Admin\zlvow.exe
      "C:\Users\Admin\zlvow.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:1468

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\zlvow.exe

    Filesize

    280KB

    MD5

    6cb62e6466ef3bbbfa4cd56d242a6b58

    SHA1

    10645dda1de90c137d3759a1e10c6df736ec9ba6

    SHA256

    4b03a36d472964702cfae26d67af455a7101054414903a6b16b4bd28be776a7f

    SHA512

    5564c30c013c7b5f64522642c216ff3f7839f5e9f59e9c53a902704617fb9a8762b68d282470b9bd94f806b17e86618c3b35b9bf8ae34d3ed8d3a611b1accdaf

  • C:\Users\Admin\zlvow.exe

    Filesize

    280KB

    MD5

    6cb62e6466ef3bbbfa4cd56d242a6b58

    SHA1

    10645dda1de90c137d3759a1e10c6df736ec9ba6

    SHA256

    4b03a36d472964702cfae26d67af455a7101054414903a6b16b4bd28be776a7f

    SHA512

    5564c30c013c7b5f64522642c216ff3f7839f5e9f59e9c53a902704617fb9a8762b68d282470b9bd94f806b17e86618c3b35b9bf8ae34d3ed8d3a611b1accdaf