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Analysis

  • max time kernel
    151s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 00:12

General

  • Target

    57497d9e31c87d24875f9a0223e26f7be27b1cabf745f7e37a13649855a1ba43.exe

  • Size

    192KB

  • MD5

    43682b9f05cef3f3f661cb7c760fc498

  • SHA1

    c9d756f3558eb46d490e1b220998e893dd45fe08

  • SHA256

    57497d9e31c87d24875f9a0223e26f7be27b1cabf745f7e37a13649855a1ba43

  • SHA512

    be363bb832f3ebd5225aad2f02ec771b92b978ed38ec7c5834781cf4c5af2343e23b4fabaa59bd782eb49dfd4c651e64d872dcacda8a077aa2b97a5362b9b1e2

  • SSDEEP

    1536:jZcD2OahSaaaaat031AdQWB5kCFrWszRUOHFlQhzyLwVKftfVBiZHAPloFp5A2m3:POGAW3kCFrWsF2eLbqx2XMFs89

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 23 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\57497d9e31c87d24875f9a0223e26f7be27b1cabf745f7e37a13649855a1ba43.exe
    "C:\Users\Admin\AppData\Local\Temp\57497d9e31c87d24875f9a0223e26f7be27b1cabf745f7e37a13649855a1ba43.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:3540
    • C:\Users\Admin\beuwaq.exe
      "C:\Users\Admin\beuwaq.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:4776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\beuwaq.exe

    Filesize

    192KB

    MD5

    b844557075c8d1c261b9c770d15bc02c

    SHA1

    1d906951058b92b10e140f49be720834f0366208

    SHA256

    23d755bd8de279b4fdd2a3944aaa563cf0b53af4778e9580dc764a520b6afdbe

    SHA512

    24e92ac8dca2dbb841c17b4a6b6394c1a775adb3ca06526fce9171bbc139faadd26798123005b1c860afb13ac3bf2197bb0cb052f0fa79497a1dfd890512c587

  • C:\Users\Admin\beuwaq.exe

    Filesize

    192KB

    MD5

    b844557075c8d1c261b9c770d15bc02c

    SHA1

    1d906951058b92b10e140f49be720834f0366208

    SHA256

    23d755bd8de279b4fdd2a3944aaa563cf0b53af4778e9580dc764a520b6afdbe

    SHA512

    24e92ac8dca2dbb841c17b4a6b6394c1a775adb3ca06526fce9171bbc139faadd26798123005b1c860afb13ac3bf2197bb0cb052f0fa79497a1dfd890512c587