Analysis

  • max time kernel
    120s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2024 16:37

General

  • Target

    09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146N.exe

  • Size

    80KB

  • MD5

    96f963d603c7ea5c02cf288710dcd9a0

  • SHA1

    da114471bc5452a6bebd3877226f3a299964f717

  • SHA256

    09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146

  • SHA512

    23c8e804a063b49b2f047013b89c65676272ba68e3f9299f338276614a7200de472baafb05df9a3ee3d3b00d8b426d646c99a6c78d1ee226f80c48cdc0060c66

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvW+jzJxuOmb54vHTL6lm:diqCsp4zVmb5uHv6lm

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\09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146N.exe
    "C:\Users\Admin\AppData\Local\Temp\09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146N.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:2728
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1804
    • 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:2488
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab8DA1.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    80KB

    MD5

    96f963d603c7ea5c02cf288710dcd9a0

    SHA1

    da114471bc5452a6bebd3877226f3a299964f717

    SHA256

    09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146

    SHA512

    23c8e804a063b49b2f047013b89c65676272ba68e3f9299f338276614a7200de472baafb05df9a3ee3d3b00d8b426d646c99a6c78d1ee226f80c48cdc0060c66

  • C:\Users\Admin\AppData\Local\Temp\Tar8DB4.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\X5GZCX3ZLBQEL5PDCJ8Q.temp

    Filesize

    7KB

    MD5

    bcb28f166ce656a0b182592450fb93e7

    SHA1

    8b501232ab5c01022595f6844d0eec47f6f75f83

    SHA256

    be1feb1dc15678eb5187c6a966cf64ae9247de842948091e87ca63e30b34adf4

    SHA512

    381e23c0d32ade08016ce61c189fc62e3ccc40d03d4eccedb76271d099d5ee9d449c1e8a5063b8010e70d82f7788072307c41075a3023427374b9c961e8ac0c6

  • memory/1268-75-0x0000000002220000-0x0000000002228000-memory.dmp

    Filesize

    32KB

  • memory/1268-74-0x000000001B770000-0x000000001BA52000-memory.dmp

    Filesize

    2.9MB

  • memory/1804-65-0x0000000001D10000-0x0000000001D18000-memory.dmp

    Filesize

    32KB

  • memory/1804-63-0x000000001B630000-0x000000001B912000-memory.dmp

    Filesize

    2.9MB

  • memory/2488-68-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2488-64-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-53-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-62-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-51-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-52-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-0-0x000007FEF518E000-0x000007FEF518F000-memory.dmp

    Filesize

    4KB

  • memory/2728-54-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-56-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-55-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-61-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-49-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-50-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-66-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-46-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-14-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-67-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-13-0x000007FEF518E000-0x000007FEF518F000-memory.dmp

    Filesize

    4KB

  • memory/2728-3-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-2-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB

  • memory/2728-1-0x000007FEF4ED0000-0x000007FEF586D000-memory.dmp

    Filesize

    9.6MB