Analysis

  • max time kernel
    16s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2024 20:37

General

  • Target

    3306408888aafd826db9c4cdf7d2aeb587b8a667cc24115e93621f2cb9872c12.exe

  • Size

    70KB

  • MD5

    1233eb5bada76ccd62168d01e03f95de

  • SHA1

    0bf38b1d8c1408362317e8c30ac8eb77b2360e0e

  • SHA256

    3306408888aafd826db9c4cdf7d2aeb587b8a667cc24115e93621f2cb9872c12

  • SHA512

    bc63aed77f7b37389f5ee7652491fe9e24a2e50a04dc3d0c314905b32f301b88d1d2160c70658bd30a5e4d02451f637e2e4ad7b96d54b36f05efadf2e5768f30

  • SSDEEP

    1536:gFTnqpKxynVcGeifCSzTPb542HkLbvJfxa:gFTlGeifrvb59H+bvJ5a

Malware Config

Extracted

Family

blacknet

Botnet

HacKed

C2

https://lovegunny.net

Mutex

BN[tuFcXBCi-9342877]

Attributes
  • antivm

    true

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    2965b7eabf9eb6ce83de7d2260ab71ba

  • startup

    true

  • usb_spread

    true

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.

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

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

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3306408888aafd826db9c4cdf7d2aeb587b8a667cc24115e93621f2cb9872c12.exe
    "C:\Users\Admin\AppData\Local\Temp\3306408888aafd826db9c4cdf7d2aeb587b8a667cc24115e93621f2cb9872c12.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
      • Executes dropped EXE
      PID:840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabAF73.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    70KB

    MD5

    1233eb5bada76ccd62168d01e03f95de

    SHA1

    0bf38b1d8c1408362317e8c30ac8eb77b2360e0e

    SHA256

    3306408888aafd826db9c4cdf7d2aeb587b8a667cc24115e93621f2cb9872c12

    SHA512

    bc63aed77f7b37389f5ee7652491fe9e24a2e50a04dc3d0c314905b32f301b88d1d2160c70658bd30a5e4d02451f637e2e4ad7b96d54b36f05efadf2e5768f30

  • C:\Users\Admin\AppData\Local\Temp\TarAF96.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2844-0-0x000007FEF611E000-0x000007FEF611F000-memory.dmp

    Filesize

    4KB

  • memory/2844-1-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-2-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-3-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-56-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-55-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-53-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-52-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-51-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-50-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-49-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-48-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-47-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-46-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-45-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-44-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-43-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-42-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-41-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-40-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-65-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-64-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-63-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-62-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-61-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-60-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-59-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-72-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-71-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-70-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-69-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-68-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-67-0x000007FEF611E000-0x000007FEF611F000-memory.dmp

    Filesize

    4KB

  • memory/2844-66-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-58-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-57-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-54-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-73-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-75-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-77-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-74-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-76-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-79-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-78-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-84-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-83-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-82-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-81-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-80-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-87-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-90-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-89-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-88-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-96-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-95-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-92-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-91-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-99-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-101-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB

  • memory/2844-100-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

    Filesize

    9.6MB