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 14:56

General

  • Target

    012cc227533f7e21a68ede4c860d3da7eaa00b410e06e461ef36e16cb0afb0dbN.exe

  • Size

    80KB

  • MD5

    adf9c83e43c9b54838bae303e3410f30

  • SHA1

    977a0c9f16cc46b31bde75b806d4d5f82a00e95f

  • SHA256

    012cc227533f7e21a68ede4c860d3da7eaa00b410e06e461ef36e16cb0afb0db

  • SHA512

    be25e9c68c5f43dd9cae69c8cbf8801bb65ccc991eb58c7769b2d18e68ab8cd0e5ba5cca6ed400fb679ed7560f9bc2a4f100eb2744ba2fd8b97a9f40b4f2946f

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvWCjzJxuOmb54vHTL6lm:diqCsp0zVmb5uHv6lm

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\012cc227533f7e21a68ede4c860d3da7eaa00b410e06e461ef36e16cb0afb0dbN.exe
    "C:\Users\Admin\AppData\Local\Temp\012cc227533f7e21a68ede4c860d3da7eaa00b410e06e461ef36e16cb0afb0dbN.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:2692
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2128
    • 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:596
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab6CC9.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    80KB

    MD5

    adf9c83e43c9b54838bae303e3410f30

    SHA1

    977a0c9f16cc46b31bde75b806d4d5f82a00e95f

    SHA256

    012cc227533f7e21a68ede4c860d3da7eaa00b410e06e461ef36e16cb0afb0db

    SHA512

    be25e9c68c5f43dd9cae69c8cbf8801bb65ccc991eb58c7769b2d18e68ab8cd0e5ba5cca6ed400fb679ed7560f9bc2a4f100eb2744ba2fd8b97a9f40b4f2946f

  • C:\Users\Admin\AppData\Local\Temp\Tar6CDC.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\O679S12MX0MZFCB12Q82.temp

    Filesize

    7KB

    MD5

    df956fbca7a2f63d6940590d8874be87

    SHA1

    97b1cee4a9cb3356191d5bb2643e48210161fdf5

    SHA256

    b0d4f8100b70c883b4409e0c418ff4ab1111a1b5bf92bdb863b4e307f3f15cc2

    SHA512

    adb8f418db7ca425d7014a9694fa5472ef84697fb4824edf157ed26b01b0b81ef6137317e2a454ea959eec597dd54c7cfc45e33ad7e21352ec7d7cdb67d0be8c

  • memory/1868-79-0x0000000001D90000-0x0000000001D98000-memory.dmp

    Filesize

    32KB

  • memory/1868-78-0x000000001B7B0000-0x000000001BA92000-memory.dmp

    Filesize

    2.9MB

  • memory/2128-50-0x0000000001E70000-0x0000000001E78000-memory.dmp

    Filesize

    32KB

  • memory/2128-70-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2128-69-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2128-48-0x000000001B5A0000-0x000000001B882000-memory.dmp

    Filesize

    2.9MB

  • memory/2692-57-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-64-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-51-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-52-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-47-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-55-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-0-0x000007FEF58EE000-0x000007FEF58EF000-memory.dmp

    Filesize

    4KB

  • memory/2692-56-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-46-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-60-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-61-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-49-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-66-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-67-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-65-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-68-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-41-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-40-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-71-0x000007FEF58EE000-0x000007FEF58EF000-memory.dmp

    Filesize

    4KB

  • memory/2692-72-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-3-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-2-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB

  • memory/2692-1-0x000007FEF5630000-0x000007FEF5FCD000-memory.dmp

    Filesize

    9.6MB