Analysis

  • max time kernel
    19s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26-04-2022 13:35

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 3 IoCs
  • Contains code to disable Windows Defender 3 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:1964
    • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
        PID:1300
        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
          3⤵
            PID:576
            • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
              4⤵
                PID:1344

        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\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/576-101-0x0000000000CA6000-0x0000000000CC5000-memory.dmp

          Filesize

          124KB

        • memory/576-100-0x0000000000CA0000-0x0000000000CA2000-memory.dmp

          Filesize

          8KB

        • memory/576-99-0x000007FEF2B10000-0x000007FEF3BA6000-memory.dmp

          Filesize

          16.6MB

        • memory/576-96-0x0000000000000000-mapping.dmp

        • memory/1300-90-0x0000000001EE6000-0x0000000001EE8000-memory.dmp

          Filesize

          8KB

        • memory/1300-87-0x0000000001EE5000-0x0000000001EE8000-memory.dmp

          Filesize

          12KB

        • memory/1300-75-0x0000000001ED1000-0x0000000001ED5000-memory.dmp

          Filesize

          16KB

        • memory/1300-74-0x0000000001ECD000-0x0000000001ED1000-memory.dmp

          Filesize

          16KB

        • memory/1300-73-0x0000000001ECB000-0x0000000001ECD000-memory.dmp

          Filesize

          8KB

        • memory/1300-72-0x0000000001EC9000-0x0000000001ECB000-memory.dmp

          Filesize

          8KB

        • memory/1300-71-0x0000000001EC7000-0x0000000001EC9000-memory.dmp

          Filesize

          8KB

        • memory/1300-70-0x0000000001EC5000-0x0000000001EC7000-memory.dmp

          Filesize

          8KB

        • memory/1300-69-0x0000000001EC3000-0x0000000001EC5000-memory.dmp

          Filesize

          8KB

        • memory/1300-68-0x0000000001EC1000-0x0000000001EC3000-memory.dmp

          Filesize

          8KB

        • memory/1300-67-0x0000000001EBE000-0x0000000001EC0000-memory.dmp

          Filesize

          8KB

        • memory/1300-66-0x0000000001ED5000-0x0000000001ED9000-memory.dmp

          Filesize

          16KB

        • memory/1300-65-0x0000000001EBC000-0x0000000001EBE000-memory.dmp

          Filesize

          8KB

        • memory/1300-82-0x0000000001EF5000-0x0000000001F00000-memory.dmp

          Filesize

          44KB

        • memory/1300-81-0x0000000001EED000-0x0000000001EF5000-memory.dmp

          Filesize

          32KB

        • memory/1300-77-0x0000000001EDD000-0x0000000001EE1000-memory.dmp

          Filesize

          16KB

        • memory/1300-92-0x0000000001EC7000-0x0000000001ECA000-memory.dmp

          Filesize

          12KB

        • memory/1300-93-0x0000000001ECD000-0x0000000001EE0000-memory.dmp

          Filesize

          76KB

        • memory/1300-91-0x0000000001EC1000-0x0000000001EC3000-memory.dmp

          Filesize

          8KB

        • memory/1300-89-0x0000000001ECD000-0x0000000001ED0000-memory.dmp

          Filesize

          12KB

        • memory/1300-88-0x0000000001EAB000-0x0000000001EBF000-memory.dmp

          Filesize

          80KB

        • memory/1300-76-0x0000000001ED9000-0x0000000001EDD000-memory.dmp

          Filesize

          16KB

        • memory/1300-86-0x0000000001EC7000-0x0000000001ECA000-memory.dmp

          Filesize

          12KB

        • memory/1300-85-0x0000000001EC1000-0x0000000001EC4000-memory.dmp

          Filesize

          12KB

        • memory/1300-84-0x0000000001EFD000-0x0000000001EFF000-memory.dmp

          Filesize

          8KB

        • memory/1300-83-0x000000001CFD0000-0x000000001CFD9000-memory.dmp

          Filesize

          36KB

        • memory/1300-94-0x0000000001ED5000-0x0000000001EE0000-memory.dmp

          Filesize

          44KB

        • memory/1300-95-0x0000000001EB3000-0x0000000001EB6000-memory.dmp

          Filesize

          12KB

        • memory/1300-78-0x0000000001EE1000-0x0000000001EE5000-memory.dmp

          Filesize

          16KB

        • memory/1300-80-0x0000000001EE9000-0x0000000001EED000-memory.dmp

          Filesize

          16KB

        • memory/1300-79-0x0000000001EE5000-0x0000000001EE9000-memory.dmp

          Filesize

          16KB

        • memory/1300-64-0x0000000001E86000-0x0000000001EA5000-memory.dmp

          Filesize

          124KB

        • memory/1300-63-0x0000000001E80000-0x0000000001E82000-memory.dmp

          Filesize

          8KB

        • memory/1300-62-0x000007FEF2B10000-0x000007FEF3BA6000-memory.dmp

          Filesize

          16.6MB

        • memory/1300-59-0x0000000000000000-mapping.dmp

        • memory/1344-102-0x0000000000000000-mapping.dmp

        • memory/1344-104-0x0000000001FE0000-0x0000000001FE2000-memory.dmp

          Filesize

          8KB

        • memory/1964-54-0x000007FEF2B10000-0x000007FEF3BA6000-memory.dmp

          Filesize

          16.6MB

        • memory/1964-55-0x00000000000F0000-0x0000000000170000-memory.dmp

          Filesize

          512KB

        • memory/1964-56-0x00000000000F0000-0x0000000000170000-memory.dmp

          Filesize

          512KB

        • memory/1964-57-0x00000000000F0000-0x0000000000170000-memory.dmp

          Filesize

          512KB

        • memory/1964-58-0x00000000000F0000-0x0000000000170000-memory.dmp

          Filesize

          512KB