Analysis

  • max time kernel
    10s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2024 21:35

General

  • Target

    48e2df0cd1b612a2cb915ebab3f8259f208d9cd4318c4944375fb968bec37321.exe

  • Size

    70KB

  • MD5

    05f33f33b292bc0f0027444815a52cbb

  • SHA1

    8c85482965be67e2854d072c1e0be99c653f1f3a

  • SHA256

    48e2df0cd1b612a2cb915ebab3f8259f208d9cd4318c4944375fb968bec37321

  • SHA512

    e430efed5114668cf9adf5a1039655ed98ca3abf9188c703f8ec314f5050afee50f1e1799d17673a9e457cdbbc8259f41309d3a1844ae04e1c291cd165d953cf

  • SSDEEP

    1536:gFTnqpKxynV4GeifCSzTPb542HkLbvJfxa:gFTlGeifrvb59H+bvJ5a

Malware Config

Signatures

  • BlackNET

    BlackNET is an open source remote access tool written in VB.NET.

  • BlackNET payload 1 IoCs
  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48e2df0cd1b612a2cb915ebab3f8259f208d9cd4318c4944375fb968bec37321.exe
    "C:\Users\Admin\AppData\Local\Temp\48e2df0cd1b612a2cb915ebab3f8259f208d9cd4318c4944375fb968bec37321.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe

    Filesize

    70KB

    MD5

    05f33f33b292bc0f0027444815a52cbb

    SHA1

    8c85482965be67e2854d072c1e0be99c653f1f3a

    SHA256

    48e2df0cd1b612a2cb915ebab3f8259f208d9cd4318c4944375fb968bec37321

    SHA512

    e430efed5114668cf9adf5a1039655ed98ca3abf9188c703f8ec314f5050afee50f1e1799d17673a9e457cdbbc8259f41309d3a1844ae04e1c291cd165d953cf

  • memory/1084-8-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1084-3-0x000000001C230000-0x000000001C6FE000-memory.dmp

    Filesize

    4.8MB

  • memory/1084-10-0x000000001D7D0000-0x000000001D832000-memory.dmp

    Filesize

    392KB

  • memory/1084-11-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1084-4-0x000000001C7D0000-0x000000001C86C000-memory.dmp

    Filesize

    624KB

  • memory/1084-6-0x0000000001690000-0x0000000001698000-memory.dmp

    Filesize

    32KB

  • memory/1084-7-0x000000001C930000-0x000000001C97C000-memory.dmp

    Filesize

    304KB

  • memory/1084-33-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1084-32-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1084-2-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1084-5-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1084-14-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1084-15-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1084-1-0x000000001BCB0000-0x000000001BD56000-memory.dmp

    Filesize

    664KB

  • memory/1084-36-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/1084-0-0x00007FFEF15F5000-0x00007FFEF15F6000-memory.dmp

    Filesize

    4KB

  • memory/1084-31-0x00007FFEF15F5000-0x00007FFEF15F6000-memory.dmp

    Filesize

    4KB

  • memory/1084-9-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-29-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-30-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-28-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-35-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-37-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-38-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-39-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-40-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-41-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-42-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-43-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-44-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-45-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/4508-46-0x00007FFEF1340000-0x00007FFEF1CE1000-memory.dmp

    Filesize

    9.6MB