Analysis

  • max time kernel
    19s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26-04-2022 07:36

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:880
    • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
        PID:1728
        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
          3⤵
            PID:572

      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/572-98-0x0000000000000000-mapping.dmp

      • memory/572-102-0x0000000000250000-0x0000000000252000-memory.dmp

        Filesize

        8KB

      • memory/572-103-0x0000000000256000-0x0000000000275000-memory.dmp

        Filesize

        124KB

      • memory/572-101-0x000007FEF2A80000-0x000007FEF3B16000-memory.dmp

        Filesize

        16.6MB

      • memory/880-72-0x0000000002081000-0x0000000002085000-memory.dmp

        Filesize

        16KB

      • memory/880-58-0x000000000206C000-0x000000000206F000-memory.dmp

        Filesize

        12KB

      • memory/880-59-0x000000000205D000-0x0000000002061000-memory.dmp

        Filesize

        16KB

      • memory/880-60-0x0000000002063000-0x0000000002069000-memory.dmp

        Filesize

        24KB

      • memory/880-61-0x000000000205C000-0x0000000002061000-memory.dmp

        Filesize

        20KB

      • memory/880-62-0x000000000205C000-0x000000000205F000-memory.dmp

        Filesize

        12KB

      • memory/880-63-0x0000000002071000-0x0000000002073000-memory.dmp

        Filesize

        8KB

      • memory/880-64-0x0000000002066000-0x0000000002069000-memory.dmp

        Filesize

        12KB

      • memory/880-65-0x0000000002068000-0x000000000206F000-memory.dmp

        Filesize

        28KB

      • memory/880-66-0x0000000002073000-0x0000000002075000-memory.dmp

        Filesize

        8KB

      • memory/880-67-0x0000000002075000-0x0000000002077000-memory.dmp

        Filesize

        8KB

      • memory/880-69-0x0000000002079000-0x000000000207B000-memory.dmp

        Filesize

        8KB

      • memory/880-70-0x000000000207B000-0x000000000207D000-memory.dmp

        Filesize

        8KB

      • memory/880-68-0x0000000002077000-0x0000000002079000-memory.dmp

        Filesize

        8KB

      • memory/880-71-0x000000000207D000-0x0000000002081000-memory.dmp

        Filesize

        16KB

      • memory/880-73-0x0000000002071000-0x0000000002076000-memory.dmp

        Filesize

        20KB

      • memory/880-57-0x000000000206C000-0x000000000206E000-memory.dmp

        Filesize

        8KB

      • memory/880-54-0x000007FEF2A80000-0x000007FEF3B16000-memory.dmp

        Filesize

        16.6MB

      • memory/880-55-0x0000000002030000-0x0000000002032000-memory.dmp

        Filesize

        8KB

      • memory/880-56-0x0000000002036000-0x0000000002055000-memory.dmp

        Filesize

        124KB

      • memory/1728-81-0x0000000001F8E000-0x0000000001F90000-memory.dmp

        Filesize

        8KB

      • memory/1728-91-0x0000000001F82000-0x0000000001F86000-memory.dmp

        Filesize

        16KB

      • memory/1728-80-0x0000000001F8C000-0x0000000001F8E000-memory.dmp

        Filesize

        8KB

      • memory/1728-83-0x0000000001F93000-0x0000000001F95000-memory.dmp

        Filesize

        8KB

      • memory/1728-84-0x0000000001F95000-0x0000000001F97000-memory.dmp

        Filesize

        8KB

      • memory/1728-86-0x0000000001F9B000-0x0000000001F9D000-memory.dmp

        Filesize

        8KB

      • memory/1728-88-0x0000000001FA1000-0x0000000001FA5000-memory.dmp

        Filesize

        16KB

      • memory/1728-89-0x0000000001F8B000-0x0000000001F8F000-memory.dmp

        Filesize

        16KB

      • memory/1728-87-0x0000000001F9D000-0x0000000001FA1000-memory.dmp

        Filesize

        16KB

      • memory/1728-85-0x0000000001F99000-0x0000000001F9B000-memory.dmp

        Filesize

        8KB

      • memory/1728-82-0x0000000001F91000-0x0000000001F93000-memory.dmp

        Filesize

        8KB

      • memory/1728-78-0x0000000001F50000-0x0000000001F52000-memory.dmp

        Filesize

        8KB

      • memory/1728-93-0x0000000001FA5000-0x0000000001FA9000-memory.dmp

        Filesize

        16KB

      • memory/1728-92-0x0000000001F93000-0x0000000001F9A000-memory.dmp

        Filesize

        28KB

      • memory/1728-90-0x0000000001F7C000-0x0000000001F7F000-memory.dmp

        Filesize

        12KB

      • memory/1728-95-0x0000000001F7B000-0x0000000001F7E000-memory.dmp

        Filesize

        12KB

      • memory/1728-79-0x0000000001F56000-0x0000000001F75000-memory.dmp

        Filesize

        124KB

      • memory/1728-77-0x000007FEF2A80000-0x000007FEF3B16000-memory.dmp

        Filesize

        16.6MB

      • memory/1728-74-0x0000000000000000-mapping.dmp

      • memory/1728-96-0x0000000001F99000-0x0000000001F9C000-memory.dmp

        Filesize

        12KB

      • memory/1728-94-0x0000000001F91000-0x0000000001F94000-memory.dmp

        Filesize

        12KB

      • memory/1728-97-0x0000000001F82000-0x0000000001F8F000-memory.dmp

        Filesize

        52KB