Analysis

  • max time kernel
    35s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    27-04-2022 07:35

General

  • Target

    b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

  • Size

    131KB

  • MD5

    c4f79edc4498c5570495bb36fc942134

  • SHA1

    00046b588252502480e8e708a22d25ae1d9b05fa

  • SHA256

    b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

  • SHA512

    07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

Malware Config

Extracted

Family

blacknet

Version

v3.5 Public

Botnet

HacKed

C2

http://finalb.xyz/NiggaNet

Mutex

BN[RqfcWolJ-7232457]

Attributes
  • antivm

    true

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    df7427b5e05183e625345c3c37ef31c0

  • startup

    true

  • usb_spread

    true

aes.plain

Signatures

  • BlackNET

    BlackNET is an open source remote access tool written in VB.NET.

  • BlackNET Payload 2 IoCs
  • Contains code to disable Windows Defender 2 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
    "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1956
    • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
        PID:628
        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
          3⤵
            PID:1048
            • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
              4⤵
                PID:1904

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          131KB

          MD5

          c4f79edc4498c5570495bb36fc942134

          SHA1

          00046b588252502480e8e708a22d25ae1d9b05fa

          SHA256

          b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

          SHA512

          07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

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

          Filesize

          131KB

          MD5

          c4f79edc4498c5570495bb36fc942134

          SHA1

          00046b588252502480e8e708a22d25ae1d9b05fa

          SHA256

          b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

          SHA512

          07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe

          Filesize

          17KB

          MD5

          89dd6e72358a669b7d6e2348307a7af7

          SHA1

          0db348f3c6114a45d71f4d218e0e088b71c7bb0a

          SHA256

          ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

          SHA512

          93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe

          Filesize

          17KB

          MD5

          89dd6e72358a669b7d6e2348307a7af7

          SHA1

          0db348f3c6114a45d71f4d218e0e088b71c7bb0a

          SHA256

          ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

          SHA512

          93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

        • memory/628-79-0x0000000000B51000-0x0000000000B58000-memory.dmp

          Filesize

          28KB

        • memory/628-78-0x0000000000B51000-0x0000000000B58000-memory.dmp

          Filesize

          28KB

        • memory/628-81-0x0000000000B53000-0x0000000000B57000-memory.dmp

          Filesize

          16KB

        • memory/628-80-0x0000000000B5D000-0x0000000000B64000-memory.dmp

          Filesize

          28KB

        • memory/628-73-0x0000000000B3C000-0x0000000000B49000-memory.dmp

          Filesize

          52KB

        • memory/628-74-0x0000000000B61000-0x0000000000B65000-memory.dmp

          Filesize

          16KB

        • memory/628-75-0x0000000000B65000-0x0000000000B69000-memory.dmp

          Filesize

          16KB

        • memory/628-76-0x0000000000B69000-0x0000000000B6D000-memory.dmp

          Filesize

          16KB

        • memory/628-77-0x0000000000B4C000-0x0000000000B4F000-memory.dmp

          Filesize

          12KB

        • memory/628-65-0x0000000000000000-mapping.dmp

        • memory/628-68-0x000007FEEE530000-0x000007FEEF5C6000-memory.dmp

          Filesize

          16.6MB

        • memory/628-70-0x0000000000B16000-0x0000000000B35000-memory.dmp

          Filesize

          124KB

        • memory/628-71-0x0000000000B5D000-0x0000000000B61000-memory.dmp

          Filesize

          16KB

        • memory/628-72-0x0000000000B5D000-0x0000000000B64000-memory.dmp

          Filesize

          28KB

        • memory/1048-82-0x0000000000000000-mapping.dmp

        • memory/1048-86-0x0000000002206000-0x0000000002225000-memory.dmp

          Filesize

          124KB

        • memory/1048-85-0x000007FEEE530000-0x000007FEEF5C6000-memory.dmp

          Filesize

          16.6MB

        • memory/1956-63-0x0000000000B5D000-0x0000000000B65000-memory.dmp

          Filesize

          32KB

        • memory/1956-62-0x0000000000B51000-0x0000000000B55000-memory.dmp

          Filesize

          16KB

        • memory/1956-59-0x0000000000B45000-0x0000000000B49000-memory.dmp

          Filesize

          16KB

        • memory/1956-54-0x000007FEEE530000-0x000007FEEF5C6000-memory.dmp

          Filesize

          16.6MB

        • memory/1956-61-0x0000000000B4D000-0x0000000000B51000-memory.dmp

          Filesize

          16KB

        • memory/1956-60-0x0000000000B49000-0x0000000000B4D000-memory.dmp

          Filesize

          16KB

        • memory/1956-58-0x0000000000B41000-0x0000000000B45000-memory.dmp

          Filesize

          16KB

        • memory/1956-56-0x0000000000AF6000-0x0000000000B15000-memory.dmp

          Filesize

          124KB

        • memory/1956-55-0x000007FEFC0C1000-0x000007FEFC0C3000-memory.dmp

          Filesize

          8KB

        • memory/1956-64-0x0000000000B29000-0x0000000000B2F000-memory.dmp

          Filesize

          24KB

        • memory/1956-57-0x0000000000B3D000-0x0000000000B41000-memory.dmp

          Filesize

          16KB