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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 19:30

General

  • Target

    24d7a8e61f71edd21148d79609a94829940df3d0c97244d95d5a294843783575.exe

  • Size

    152KB

  • MD5

    09e5de4bda78b7dd31aad767b9024876

  • SHA1

    863683a53a3abc7be7bc61e99582fa21fd738092

  • SHA256

    24d7a8e61f71edd21148d79609a94829940df3d0c97244d95d5a294843783575

  • SHA512

    9a7b90ee4cffd0362f076c073f2473bc0bea21b92263206f4e110fd97c82100484dbbd6f4a4aa219fd4629114bc27ef8d777986055e527361e2f0cb63dc3720b

  • SSDEEP

    3072:TMGSPYYh0Zz+7DxNUbaxIcz93bOButK+Fov:z+7DxVh3bHiv

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\24d7a8e61f71edd21148d79609a94829940df3d0c97244d95d5a294843783575.exe
    "C:\Users\Admin\AppData\Local\Temp\24d7a8e61f71edd21148d79609a94829940df3d0c97244d95d5a294843783575.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:2564
    • C:\Users\Admin\weaebej.exe
      "C:\Users\Admin\weaebej.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:1684

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\weaebej.exe

    Filesize

    152KB

    MD5

    146c12fdb6c7448fb3ea96330e6ae56c

    SHA1

    7cff2185dd5aa1fcea8983b2413079feead8d77e

    SHA256

    8c5d95ed423b484dadf9a383609c4c90a276e0c7dfde6cf7c0dcd26567a63a97

    SHA512

    bfdeb0e8d921a0cb03940c54c44a4d70de7e9c27ab5b179af8527f191bd58f8a6cb9d4779eb005aae5b9a9e78fa0a46ada9f24e534ec23676ffd924c1dac9284

  • C:\Users\Admin\weaebej.exe

    Filesize

    152KB

    MD5

    146c12fdb6c7448fb3ea96330e6ae56c

    SHA1

    7cff2185dd5aa1fcea8983b2413079feead8d77e

    SHA256

    8c5d95ed423b484dadf9a383609c4c90a276e0c7dfde6cf7c0dcd26567a63a97

    SHA512

    bfdeb0e8d921a0cb03940c54c44a4d70de7e9c27ab5b179af8527f191bd58f8a6cb9d4779eb005aae5b9a9e78fa0a46ada9f24e534ec23676ffd924c1dac9284