Analysis

  • max time kernel
    23s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26-04-2022 01:37

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:1824
    • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
        PID:1388
        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
          3⤵
            PID:1020

      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/1020-95-0x0000000000A66000-0x0000000000A85000-memory.dmp

        Filesize

        124KB

      • memory/1020-94-0x0000000000A60000-0x0000000000A62000-memory.dmp

        Filesize

        8KB

      • memory/1020-93-0x000007FEF35F0000-0x000007FEF4686000-memory.dmp

        Filesize

        16.6MB

      • memory/1020-90-0x0000000000000000-mapping.dmp

      • memory/1388-88-0x0000000002005000-0x0000000002010000-memory.dmp

        Filesize

        44KB

      • memory/1388-87-0x0000000001FFD000-0x0000000002005000-memory.dmp

        Filesize

        32KB

      • memory/1388-75-0x0000000000000000-mapping.dmp

      • memory/1388-86-0x0000000001FF9000-0x0000000001FFD000-memory.dmp

        Filesize

        16KB

      • memory/1388-83-0x0000000001FD5000-0x0000000001FD7000-memory.dmp

        Filesize

        8KB

      • memory/1388-84-0x0000000001FDB000-0x0000000001FDD000-memory.dmp

        Filesize

        8KB

      • memory/1388-82-0x0000000001FCE000-0x0000000001FD0000-memory.dmp

        Filesize

        8KB

      • memory/1388-81-0x0000000001FCC000-0x0000000001FCE000-memory.dmp

        Filesize

        8KB

      • memory/1388-80-0x0000000001F96000-0x0000000001FB5000-memory.dmp

        Filesize

        124KB

      • memory/1388-79-0x0000000001F90000-0x0000000001F92000-memory.dmp

        Filesize

        8KB

      • memory/1388-78-0x000007FEF35F0000-0x000007FEF4686000-memory.dmp

        Filesize

        16.6MB

      • memory/1388-85-0x0000000001FF1000-0x0000000001FF5000-memory.dmp

        Filesize

        16KB

      • memory/1388-89-0x000000001D7E0000-0x000000001D7E9000-memory.dmp

        Filesize

        36KB

      • memory/1824-64-0x0000000000123000-0x0000000000126000-memory.dmp

        Filesize

        12KB

      • memory/1824-74-0x000000000015D000-0x0000000000165000-memory.dmp

        Filesize

        32KB

      • memory/1824-73-0x0000000000159000-0x000000000015D000-memory.dmp

        Filesize

        16KB

      • memory/1824-72-0x0000000000155000-0x0000000000159000-memory.dmp

        Filesize

        16KB

      • memory/1824-71-0x0000000000151000-0x0000000000155000-memory.dmp

        Filesize

        16KB

      • memory/1824-70-0x0000000000145000-0x0000000000149000-memory.dmp

        Filesize

        16KB

      • memory/1824-69-0x0000000000141000-0x0000000000145000-memory.dmp

        Filesize

        16KB

      • memory/1824-68-0x000000000013D000-0x0000000000141000-memory.dmp

        Filesize

        16KB

      • memory/1824-67-0x000000000013B000-0x000000000013D000-memory.dmp

        Filesize

        8KB

      • memory/1824-66-0x0000000000137000-0x0000000000139000-memory.dmp

        Filesize

        8KB

      • memory/1824-65-0x0000000000135000-0x0000000000137000-memory.dmp

        Filesize

        8KB

      • memory/1824-54-0x000007FEF35F0000-0x000007FEF4686000-memory.dmp

        Filesize

        16.6MB

      • memory/1824-63-0x000000000011B000-0x0000000000120000-memory.dmp

        Filesize

        20KB

      • memory/1824-61-0x0000000000155000-0x0000000000158000-memory.dmp

        Filesize

        12KB

      • memory/1824-62-0x000000000012B000-0x000000000012F000-memory.dmp

        Filesize

        16KB

      • memory/1824-60-0x0000000000133000-0x0000000000135000-memory.dmp

        Filesize

        8KB

      • memory/1824-59-0x0000000000131000-0x0000000000133000-memory.dmp

        Filesize

        8KB

      • memory/1824-57-0x000000000012C000-0x000000000012E000-memory.dmp

        Filesize

        8KB

      • memory/1824-58-0x000000000012E000-0x0000000000130000-memory.dmp

        Filesize

        8KB

      • memory/1824-56-0x00000000000F6000-0x0000000000115000-memory.dmp

        Filesize

        124KB

      • memory/1824-55-0x00000000000F0000-0x00000000000F2000-memory.dmp

        Filesize

        8KB