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Analysis

  • max time kernel
    120s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 19:37

General

  • Target

    e7a987677a2cdb2a8c6591c152fc425fdbac393946f47f53c83fa0614abc42d3N.exe

  • Size

    152KB

  • MD5

    219b2ae172e6c468f606a446524e0060

  • SHA1

    cbc36958d20b2739344d925523ffc512aacacc05

  • SHA256

    e7a987677a2cdb2a8c6591c152fc425fdbac393946f47f53c83fa0614abc42d3

  • SHA512

    64070101b2277a024c485249c7c381482a29e9572884226e98ecb990fa8e2070d044c50b734df91601a85413de596aac11c256cb17122ca6ce90eadaa604bca3

  • SSDEEP

    3072:L34IpK9xKA9w2p4QZisLaazNiIIkyyqY4oQZiEdr:L3/pKxY+1isuazgfkl/Wr

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 51 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7a987677a2cdb2a8c6591c152fc425fdbac393946f47f53c83fa0614abc42d3N.exe
    "C:\Users\Admin\AppData\Local\Temp\e7a987677a2cdb2a8c6591c152fc425fdbac393946f47f53c83fa0614abc42d3N.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\piobat.exe
      "C:\Users\Admin\piobat.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2476

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\piobat.exe

    Filesize

    152KB

    MD5

    aa21f80c2548128cc46b5ddb8f85f6d2

    SHA1

    076d79e79a2c63fa34f9ae6afbc68ab9712bec54

    SHA256

    8bab35711be321f10d3febc3a9447b5fe594bc4acd7016fbf50b790673f19a17

    SHA512

    c3c646b4e00e2a46d6ad8ebfe4bb358f92e238a6954acecba0c5d17dd7cf5df504dac79f451a41586ac5462d455acb94ffc158847a2f249b5bfd555595dec7f8