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Analysis

  • max time kernel
    153s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 23:54

General

  • Target

    f1e1070f1d55dc02ca28c0c7cc2a6014603df0698c0267c2cab3656d7d660032.exe

  • Size

    192KB

  • MD5

    937f9c35634e6a516eb98f0e207c3eb6

  • SHA1

    6945bb23f1dcbbe337f17bf43690d8ae4b485abb

  • SHA256

    f1e1070f1d55dc02ca28c0c7cc2a6014603df0698c0267c2cab3656d7d660032

  • SHA512

    60714b3df6889d80d1805971500cc65102a27718f080c848c847a3fd25ff16a352910b37d6d0be0ae3b61fe44514465258380c756a14d04a42b69b1f57ad0d3c

  • SSDEEP

    1536:hIHABQruHlTERgPRi4iti93MH9iV6MRfWzzp3BHReQbIYL2XoPLJB514R9/dJqiD:u2QraTHRi4itiSHXzp3uYTPLJOhD

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 29 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1e1070f1d55dc02ca28c0c7cc2a6014603df0698c0267c2cab3656d7d660032.exe
    "C:\Users\Admin\AppData\Local\Temp\f1e1070f1d55dc02ca28c0c7cc2a6014603df0698c0267c2cab3656d7d660032.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Users\Admin\buoubu.exe
      "C:\Users\Admin\buoubu.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:988

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\buoubu.exe

    Filesize

    192KB

    MD5

    de624fe9e1ff617b7cf15fbf7206156b

    SHA1

    cbb7560bfcd799ea877c39572908bb0a5ddc25ff

    SHA256

    d8dbcadf8999cdef318474f397e21032d6d43e73577157963cf5a5235991ccbe

    SHA512

    ca7d944e82a95c5d219e4d85d42cd6357754d31d582e6755941c25f0d6ad4616c20d180411ac61069b14d1ea053925427d32c7a248db05c6d7af2775141859b9

  • C:\Users\Admin\buoubu.exe

    Filesize

    192KB

    MD5

    de624fe9e1ff617b7cf15fbf7206156b

    SHA1

    cbb7560bfcd799ea877c39572908bb0a5ddc25ff

    SHA256

    d8dbcadf8999cdef318474f397e21032d6d43e73577157963cf5a5235991ccbe

    SHA512

    ca7d944e82a95c5d219e4d85d42cd6357754d31d582e6755941c25f0d6ad4616c20d180411ac61069b14d1ea053925427d32c7a248db05c6d7af2775141859b9

  • \Users\Admin\buoubu.exe

    Filesize

    192KB

    MD5

    de624fe9e1ff617b7cf15fbf7206156b

    SHA1

    cbb7560bfcd799ea877c39572908bb0a5ddc25ff

    SHA256

    d8dbcadf8999cdef318474f397e21032d6d43e73577157963cf5a5235991ccbe

    SHA512

    ca7d944e82a95c5d219e4d85d42cd6357754d31d582e6755941c25f0d6ad4616c20d180411ac61069b14d1ea053925427d32c7a248db05c6d7af2775141859b9

  • \Users\Admin\buoubu.exe

    Filesize

    192KB

    MD5

    de624fe9e1ff617b7cf15fbf7206156b

    SHA1

    cbb7560bfcd799ea877c39572908bb0a5ddc25ff

    SHA256

    d8dbcadf8999cdef318474f397e21032d6d43e73577157963cf5a5235991ccbe

    SHA512

    ca7d944e82a95c5d219e4d85d42cd6357754d31d582e6755941c25f0d6ad4616c20d180411ac61069b14d1ea053925427d32c7a248db05c6d7af2775141859b9

  • memory/1376-56-0x0000000075921000-0x0000000075923000-memory.dmp

    Filesize

    8KB