Analysis

  • max time kernel
    55s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    30-04-2022 19:37

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:956
    • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
        PID:1168
        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
          3⤵
            PID:1732
            • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
              4⤵
                PID:1620

        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/956-64-0x0000000000AF1000-0x0000000000AF5000-memory.dmp

          Filesize

          16KB

        • memory/956-59-0x0000000000AC9000-0x0000000000ACF000-memory.dmp

          Filesize

          24KB

        • memory/956-60-0x0000000000ABB000-0x0000000000AC6000-memory.dmp

          Filesize

          44KB

        • memory/956-61-0x0000000000AE1000-0x0000000000AE5000-memory.dmp

          Filesize

          16KB

        • memory/956-62-0x0000000000AE5000-0x0000000000AE9000-memory.dmp

          Filesize

          16KB

        • memory/956-63-0x0000000000AED000-0x0000000000AF1000-memory.dmp

          Filesize

          16KB

        • memory/956-54-0x000007FEF2680000-0x000007FEF3716000-memory.dmp

          Filesize

          16.6MB

        • memory/956-65-0x0000000000AF5000-0x0000000000AF9000-memory.dmp

          Filesize

          16KB

        • memory/956-55-0x000007FEFBAA1000-0x000007FEFBAA3000-memory.dmp

          Filesize

          8KB

        • memory/956-67-0x0000000000AFD000-0x0000000000B05000-memory.dmp

          Filesize

          32KB

        • memory/956-68-0x0000000000B05000-0x0000000000B10000-memory.dmp

          Filesize

          44KB

        • memory/956-69-0x000000001C7B0000-0x000000001C7B9000-memory.dmp

          Filesize

          36KB

        • memory/956-70-0x000000001C7B9000-0x000000001C7C1000-memory.dmp

          Filesize

          32KB

        • memory/956-71-0x0000000000AF5000-0x0000000000AF8000-memory.dmp

          Filesize

          12KB

        • memory/956-72-0x0000000000ABC000-0x0000000000ABF000-memory.dmp

          Filesize

          12KB

        • memory/956-58-0x0000000000AD1000-0x0000000000AD4000-memory.dmp

          Filesize

          12KB

        • memory/956-57-0x0000000000ADD000-0x0000000000AE1000-memory.dmp

          Filesize

          16KB

        • memory/956-56-0x0000000000A96000-0x0000000000AB5000-memory.dmp

          Filesize

          124KB

        • memory/956-66-0x0000000000AF9000-0x0000000000AFD000-memory.dmp

          Filesize

          16KB

        • memory/1168-89-0x000000001CAB0000-0x000000001CAB9000-memory.dmp

          Filesize

          36KB

        • memory/1168-91-0x0000000000197000-0x000000000019A000-memory.dmp

          Filesize

          12KB

        • memory/1168-80-0x00000000001B5000-0x00000000001B8000-memory.dmp

          Filesize

          12KB

        • memory/1168-82-0x00000000001A9000-0x00000000001AD000-memory.dmp

          Filesize

          16KB

        • memory/1168-84-0x00000000001B1000-0x00000000001B5000-memory.dmp

          Filesize

          16KB

        • memory/1168-86-0x00000000001B9000-0x00000000001BD000-memory.dmp

          Filesize

          16KB

        • memory/1168-79-0x000000000019D000-0x00000000001A1000-memory.dmp

          Filesize

          16KB

        • memory/1168-85-0x00000000001B5000-0x00000000001B9000-memory.dmp

          Filesize

          16KB

        • memory/1168-90-0x000000001CAB9000-0x000000001CAC1000-memory.dmp

          Filesize

          32KB

        • memory/1168-78-0x0000000000156000-0x0000000000175000-memory.dmp

          Filesize

          124KB

        • memory/1168-88-0x00000000001C5000-0x00000000001D0000-memory.dmp

          Filesize

          44KB

        • memory/1168-83-0x00000000001AD000-0x00000000001B1000-memory.dmp

          Filesize

          16KB

        • memory/1168-81-0x00000000001A5000-0x00000000001A9000-memory.dmp

          Filesize

          16KB

        • memory/1168-87-0x00000000001BD000-0x00000000001C5000-memory.dmp

          Filesize

          32KB

        • memory/1168-73-0x0000000000000000-mapping.dmp

        • memory/1168-76-0x000007FEF2680000-0x000007FEF3716000-memory.dmp

          Filesize

          16.6MB

        • memory/1732-92-0x0000000000000000-mapping.dmp

        • memory/1732-95-0x000007FEF2680000-0x000007FEF3716000-memory.dmp

          Filesize

          16.6MB

        • memory/1732-96-0x0000000000B06000-0x0000000000B25000-memory.dmp

          Filesize

          124KB