Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2024 11:34

General

  • Target

    302c57e4f1a9344d620ff8a09419fb15e0b9b35ae94f6e1b2b4c50d5788830a7N.exe

  • Size

    80KB

  • MD5

    05644c696c4cfcd50af83ac4e2f1ff50

  • SHA1

    b6cc01ee14e43facaccf9bfa7007481bb1e04751

  • SHA256

    302c57e4f1a9344d620ff8a09419fb15e0b9b35ae94f6e1b2b4c50d5788830a7

  • SHA512

    ae9b804d75feb586909a9b030fc9cdbeb1f6c733d8ba43cd3b099e41993bb9eb6399f896725c810a0e1827ded330295cfe88626ec6a15935a13c5185dd7a4fab

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvWBjzJxuOmb54vHTL6lm:diqCspZzVmb5uHv6lm

Malware Config

Extracted

Family

blacknet

Botnet

HacKed

C2

https://lovegunny.net/

Mutex

BN[GnFquUJG-0548378]

Attributes
  • antivm

    false

  • elevate_uac

    true

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    cde2f914e4cce7f13b2c1cec7b6da970

  • startup

    false

  • 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.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\302c57e4f1a9344d620ff8a09419fb15e0b9b35ae94f6e1b2b4c50d5788830a7N.exe
    "C:\Users\Admin\AppData\Local\Temp\302c57e4f1a9344d620ff8a09419fb15e0b9b35ae94f6e1b2b4c50d5788830a7N.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Windows security modification
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1556
    • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
      • Executes dropped EXE
      • Windows security modification
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab8D9.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    80KB

    MD5

    05644c696c4cfcd50af83ac4e2f1ff50

    SHA1

    b6cc01ee14e43facaccf9bfa7007481bb1e04751

    SHA256

    302c57e4f1a9344d620ff8a09419fb15e0b9b35ae94f6e1b2b4c50d5788830a7

    SHA512

    ae9b804d75feb586909a9b030fc9cdbeb1f6c733d8ba43cd3b099e41993bb9eb6399f896725c810a0e1827ded330295cfe88626ec6a15935a13c5185dd7a4fab

  • C:\Users\Admin\AppData\Local\Temp\Tar91A.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    67c306330d247958c257ec8419b568e9

    SHA1

    baea6da22bcbe3973cdf7242c593bbe6ff3a9dc0

    SHA256

    ac8abeacffe15aa2b4b1a45bc47a84aca15f7cdf15be4a38adb1f25c101b8d27

    SHA512

    43388afa98756ff87a53ae2746a257f25e8c521d820b6ef8e9c1448d5683dd541968dcceb4817fcb500a2e7a6abcfc2649a86ab4bfcb5622b65740a23c93d566

  • memory/1116-76-0x00000000004F0000-0x00000000004F8000-memory.dmp

    Filesize

    32KB

  • memory/1116-75-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

    Filesize

    2.9MB

  • memory/1556-58-0x0000000001D10000-0x0000000001D18000-memory.dmp

    Filesize

    32KB

  • memory/1556-57-0x000000001B710000-0x000000001B9F2000-memory.dmp

    Filesize

    2.9MB

  • memory/2068-41-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-63-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-44-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-45-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-59-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-42-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-0-0x000007FEF51CE000-0x000007FEF51CF000-memory.dmp

    Filesize

    4KB

  • memory/2068-56-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-40-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-60-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-61-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-43-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-62-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-64-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-65-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-66-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-68-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-67-0x000000001F300000-0x000000001F303000-memory.dmp

    Filesize

    12KB

  • memory/2068-69-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-3-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-2-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB

  • memory/2068-1-0x000007FEF4F10000-0x000007FEF58AD000-memory.dmp

    Filesize

    9.6MB