Analysis

  • max time kernel
    4294073s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220311-en
  • submitted
    09-04-2022 01:18

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:1760
    • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
        PID:1836
        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
          3⤵
            PID:1508

      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/1508-104-0x00000000005F0000-0x00000000005F2000-memory.dmp

        Filesize

        8KB

      • memory/1508-105-0x00000000005F6000-0x0000000000615000-memory.dmp

        Filesize

        124KB

      • memory/1508-103-0x000007FEF2D00000-0x000007FEF3D96000-memory.dmp

        Filesize

        16.6MB

      • memory/1508-100-0x0000000000000000-mapping.dmp

      • memory/1760-88-0x000000000205B000-0x000000000205F000-memory.dmp

        Filesize

        16KB

      • memory/1760-75-0x0000000002033000-0x0000000002035000-memory.dmp

        Filesize

        8KB

      • memory/1760-64-0x000000000201B000-0x0000000002020000-memory.dmp

        Filesize

        20KB

      • memory/1760-65-0x0000000002022000-0x0000000002026000-memory.dmp

        Filesize

        16KB

      • memory/1760-66-0x0000000002037000-0x000000000203A000-memory.dmp

        Filesize

        12KB

      • memory/1760-54-0x000007FEF2D00000-0x000007FEF3D96000-memory.dmp

        Filesize

        16.6MB

      • memory/1760-68-0x000000000203B000-0x000000000203D000-memory.dmp

        Filesize

        8KB

      • memory/1760-69-0x0000000002043000-0x0000000002047000-memory.dmp

        Filesize

        16KB

      • memory/1760-70-0x000000000204F000-0x0000000002053000-memory.dmp

        Filesize

        16KB

      • memory/1760-71-0x0000000002057000-0x000000000205B000-memory.dmp

        Filesize

        16KB

      • memory/1760-72-0x0000000002067000-0x0000000002070000-memory.dmp

        Filesize

        36KB

      • memory/1760-73-0x000000000201C000-0x0000000002020000-memory.dmp

        Filesize

        16KB

      • memory/1760-74-0x000000000203D000-0x000000000203F000-memory.dmp

        Filesize

        8KB

      • memory/1760-56-0x0000000001FF6000-0x0000000002015000-memory.dmp

        Filesize

        124KB

      • memory/1760-76-0x0000000002035000-0x0000000002037000-memory.dmp

        Filesize

        8KB

      • memory/1760-77-0x0000000002037000-0x0000000002039000-memory.dmp

        Filesize

        8KB

      • memory/1760-78-0x0000000002031000-0x0000000002034000-memory.dmp

        Filesize

        12KB

      • memory/1760-79-0x0000000002029000-0x000000000202F000-memory.dmp

        Filesize

        24KB

      • memory/1760-80-0x0000000002031000-0x0000000002034000-memory.dmp

        Filesize

        12KB

      • memory/1760-81-0x000000000203F000-0x0000000002042000-memory.dmp

        Filesize

        12KB

      • memory/1760-82-0x000000000202B000-0x000000000202F000-memory.dmp

        Filesize

        16KB

      • memory/1760-84-0x0000000002047000-0x000000000204B000-memory.dmp

        Filesize

        16KB

      • memory/1760-83-0x000000000203F000-0x0000000002043000-memory.dmp

        Filesize

        16KB

      • memory/1760-85-0x000000000204B000-0x000000000204F000-memory.dmp

        Filesize

        16KB

      • memory/1760-86-0x0000000002053000-0x0000000002057000-memory.dmp

        Filesize

        16KB

      • memory/1760-57-0x000000000202C000-0x000000000202E000-memory.dmp

        Filesize

        8KB

      • memory/1760-89-0x000000000205F000-0x0000000002067000-memory.dmp

        Filesize

        32KB

      • memory/1760-55-0x0000000001FF0000-0x0000000001FF2000-memory.dmp

        Filesize

        8KB

      • memory/1760-58-0x000000000201C000-0x0000000002027000-memory.dmp

        Filesize

        44KB

      • memory/1760-63-0x0000000002031000-0x0000000002033000-memory.dmp

        Filesize

        8KB

      • memory/1760-62-0x000000000202E000-0x0000000002030000-memory.dmp

        Filesize

        8KB

      • memory/1760-59-0x000000000202C000-0x000000000202F000-memory.dmp

        Filesize

        12KB

      • memory/1760-67-0x0000000002025000-0x000000000202D000-memory.dmp

        Filesize

        32KB

      • memory/1760-61-0x0000000002039000-0x000000000203B000-memory.dmp

        Filesize

        8KB

      • memory/1760-87-0x0000000002043000-0x000000000204A000-memory.dmp

        Filesize

        28KB

      • memory/1760-60-0x0000000002021000-0x000000000202A000-memory.dmp

        Filesize

        36KB

      • memory/1836-99-0x00000000005D3000-0x00000000005D5000-memory.dmp

        Filesize

        8KB

      • memory/1836-90-0x0000000000000000-mapping.dmp

      • memory/1836-96-0x00000000005CD000-0x00000000005CF000-memory.dmp

        Filesize

        8KB

      • memory/1836-93-0x000007FEF2D00000-0x000007FEF3D96000-memory.dmp

        Filesize

        16.6MB

      • memory/1836-113-0x00000000005F1000-0x00000000005F5000-memory.dmp

        Filesize

        16KB

      • memory/1836-98-0x00000000005D1000-0x00000000005D3000-memory.dmp

        Filesize

        8KB

      • memory/1836-95-0x0000000000596000-0x00000000005B5000-memory.dmp

        Filesize

        124KB

      • memory/1836-94-0x0000000000590000-0x0000000000592000-memory.dmp

        Filesize

        8KB

      • memory/1836-106-0x00000000005D7000-0x00000000005D9000-memory.dmp

        Filesize

        8KB

      • memory/1836-107-0x00000000005DD000-0x00000000005DF000-memory.dmp

        Filesize

        8KB

      • memory/1836-108-0x00000000005E1000-0x00000000005E5000-memory.dmp

        Filesize

        16KB

      • memory/1836-114-0x00000000005E9000-0x00000000005EC000-memory.dmp

        Filesize

        12KB

      • memory/1836-110-0x00000000005E9000-0x00000000005ED000-memory.dmp

        Filesize

        16KB

      • memory/1836-126-0x00000000005CF000-0x00000000005D1000-memory.dmp

        Filesize

        8KB

      • memory/1836-97-0x00000000005CF000-0x00000000005D1000-memory.dmp

        Filesize

        8KB

      • memory/1836-111-0x00000000005ED000-0x00000000005F1000-memory.dmp

        Filesize

        16KB

      • memory/1836-109-0x00000000005E5000-0x00000000005E9000-memory.dmp

        Filesize

        16KB

      • memory/1836-115-0x00000000005C3000-0x00000000005C6000-memory.dmp

        Filesize

        12KB

      • memory/1836-116-0x00000000005C9000-0x00000000005CC000-memory.dmp

        Filesize

        12KB

      • memory/1836-117-0x00000000005C3000-0x00000000005C6000-memory.dmp

        Filesize

        12KB

      • memory/1836-118-0x00000000005C0000-0x00000000005C2000-memory.dmp

        Filesize

        8KB

      • memory/1836-119-0x00000000005D5000-0x00000000005E4000-memory.dmp

        Filesize

        60KB

      • memory/1836-120-0x00000000005C8000-0x00000000005CA000-memory.dmp

        Filesize

        8KB

      • memory/1836-121-0x00000000005CF000-0x00000000005D2000-memory.dmp

        Filesize

        12KB

      • memory/1836-122-0x00000000005C3000-0x00000000005C6000-memory.dmp

        Filesize

        12KB

      • memory/1836-123-0x00000000005D5000-0x00000000005E4000-memory.dmp

        Filesize

        60KB

      • memory/1836-124-0x00000000005C3000-0x00000000005C6000-memory.dmp

        Filesize

        12KB

      • memory/1836-125-0x00000000005CF000-0x00000000005D4000-memory.dmp

        Filesize

        20KB

      • memory/1836-112-0x00000000005C3000-0x00000000005C6000-memory.dmp

        Filesize

        12KB