Analysis

  • max time kernel
    120s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2024 16:32

General

  • Target

    e29299aaa70088dafa94214fa967b09f7f64f9dafc27d5e7195ea8fe51465b84N.exe

  • Size

    80KB

  • MD5

    1d10a8fc41dd3517354c8ae5d50557b0

  • SHA1

    a53d12923e6ad450de24d4a5208c9204832cc601

  • SHA256

    e29299aaa70088dafa94214fa967b09f7f64f9dafc27d5e7195ea8fe51465b84

  • SHA512

    977ce9c1f6232f75e3f6280d700a808c9f0cdff283f2d5419960cd1bf71480e2c10ebd78917a6011d6bae5c9875896baae343e236815e8f5eb2fa6527e01ab67

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvWGjzJxuOmb54vHTL6lm:diqCspQzVmb5uHv6lm

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
  • Blacknet family
  • 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\e29299aaa70088dafa94214fa967b09f7f64f9dafc27d5e7195ea8fe51465b84N.exe
    "C:\Users\Admin\AppData\Local\Temp\e29299aaa70088dafa94214fa967b09f7f64f9dafc27d5e7195ea8fe51465b84N.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:1820
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2804
    • 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:2388
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabFAA6.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    80KB

    MD5

    1d10a8fc41dd3517354c8ae5d50557b0

    SHA1

    a53d12923e6ad450de24d4a5208c9204832cc601

    SHA256

    e29299aaa70088dafa94214fa967b09f7f64f9dafc27d5e7195ea8fe51465b84

    SHA512

    977ce9c1f6232f75e3f6280d700a808c9f0cdff283f2d5419960cd1bf71480e2c10ebd78917a6011d6bae5c9875896baae343e236815e8f5eb2fa6527e01ab67

  • C:\Users\Admin\AppData\Local\Temp\TarFAD8.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

    724118327a8efdfb4aa31da0150f0be0

    SHA1

    2ad5dc8f9a04bb24b44661a1ac2beb91454a1cbe

    SHA256

    eb2b8cc892dd7a7975a766282a629b16b5361cb9f2682be21db354e742f4f534

    SHA512

    04012d8f7bd45550ce72e4c6486cba89c417ff2cb9de56e1f905e146ca967003b93e2002ea0ddc23705adbbe23a2707f152d01ab311a51bdd6fa83ec28359f42

  • memory/1820-58-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-64-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-40-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-41-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-42-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-43-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-44-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-45-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-50-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-53-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-55-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-57-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-2-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-59-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-0-0x000007FEF69EE000-0x000007FEF69EF000-memory.dmp

    Filesize

    4KB

  • memory/1820-62-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-63-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-3-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-65-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-66-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-67-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-68-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-69-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-70-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-71-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-72-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-1-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-78-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/1820-76-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-75-0x0000000002410000-0x0000000002418000-memory.dmp

    Filesize

    32KB

  • memory/2804-74-0x000000001B130000-0x000000001B412000-memory.dmp

    Filesize

    2.9MB

  • memory/2804-77-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-73-0x000007FEF6730000-0x000007FEF70CD000-memory.dmp

    Filesize

    9.6MB

  • memory/3044-84-0x000000001B3B0000-0x000000001B692000-memory.dmp

    Filesize

    2.9MB

  • memory/3044-85-0x00000000023F0000-0x00000000023F8000-memory.dmp

    Filesize

    32KB