Analysis

  • max time kernel
    21s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-04-2022 07:35

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:1756
    • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
        PID:320
        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
          3⤵
            PID:108
            • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
              4⤵
                PID:912

        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/108-116-0x0000000000000000-mapping.dmp

        • memory/108-121-0x0000000001E86000-0x0000000001EA5000-memory.dmp

          Filesize

          124KB

        • memory/108-120-0x0000000001E80000-0x0000000001E82000-memory.dmp

          Filesize

          8KB

        • memory/108-119-0x000007FEF2B00000-0x000007FEF3B96000-memory.dmp

          Filesize

          16.6MB

        • memory/320-114-0x000000000201A000-0x000000000201F000-memory.dmp

          Filesize

          20KB

        • memory/320-104-0x000000000204D000-0x0000000002055000-memory.dmp

          Filesize

          32KB

        • memory/320-111-0x0000000002027000-0x000000000202A000-memory.dmp

          Filesize

          12KB

        • memory/320-113-0x0000000002027000-0x0000000002029000-memory.dmp

          Filesize

          8KB

        • memory/320-115-0x0000000002045000-0x0000000002048000-memory.dmp

          Filesize

          12KB

        • memory/320-96-0x0000000000000000-mapping.dmp

        • memory/320-112-0x0000000002019000-0x000000000201F000-memory.dmp

          Filesize

          24KB

        • memory/320-109-0x0000000002045000-0x0000000002049000-memory.dmp

          Filesize

          16KB

        • memory/320-103-0x0000000002049000-0x000000000204D000-memory.dmp

          Filesize

          16KB

        • memory/320-110-0x0000000002021000-0x0000000002024000-memory.dmp

          Filesize

          12KB

        • memory/320-105-0x0000000002025000-0x0000000002027000-memory.dmp

          Filesize

          8KB

        • memory/320-106-0x000000000202B000-0x000000000202D000-memory.dmp

          Filesize

          8KB

        • memory/320-107-0x000000000203D000-0x0000000002041000-memory.dmp

          Filesize

          16KB

        • memory/320-108-0x0000000002041000-0x0000000002045000-memory.dmp

          Filesize

          16KB

        • memory/320-102-0x000000000201C000-0x000000000201E000-memory.dmp

          Filesize

          8KB

        • memory/320-101-0x0000000001FE6000-0x0000000002005000-memory.dmp

          Filesize

          124KB

        • memory/320-100-0x0000000001FE0000-0x0000000001FE2000-memory.dmp

          Filesize

          8KB

        • memory/320-99-0x000007FEF2B00000-0x000007FEF3B96000-memory.dmp

          Filesize

          16.6MB

        • memory/912-122-0x0000000000000000-mapping.dmp

        • memory/912-124-0x00000000007D0000-0x00000000007D2000-memory.dmp

          Filesize

          8KB

        • memory/1756-71-0x0000000002025000-0x0000000002029000-memory.dmp

          Filesize

          16KB

        • memory/1756-75-0x000000001C1D9000-0x000000001C1E1000-memory.dmp

          Filesize

          32KB

        • memory/1756-85-0x0000000002025000-0x0000000002028000-memory.dmp

          Filesize

          12KB

        • memory/1756-86-0x0000000001FF9000-0x0000000001FFF000-memory.dmp

          Filesize

          24KB

        • memory/1756-87-0x0000000002015000-0x0000000002017000-memory.dmp

          Filesize

          8KB

        • memory/1756-88-0x0000000002001000-0x0000000002005000-memory.dmp

          Filesize

          16KB

        • memory/1756-89-0x0000000001FEB000-0x0000000001FF6000-memory.dmp

          Filesize

          44KB

        • memory/1756-90-0x0000000001FF3000-0x0000000001FF6000-memory.dmp

          Filesize

          12KB

        • memory/1756-91-0x000000000200A000-0x0000000002010000-memory.dmp

          Filesize

          24KB

        • memory/1756-92-0x0000000001FEE000-0x0000000001FF6000-memory.dmp

          Filesize

          32KB

        • memory/1756-93-0x000000000200D000-0x0000000002020000-memory.dmp

          Filesize

          76KB

        • memory/1756-94-0x000000001C1C0000-0x000000001C1C9000-memory.dmp

          Filesize

          36KB

        • memory/1756-95-0x000000001C1C9000-0x000000001C1D1000-memory.dmp

          Filesize

          32KB

        • memory/1756-83-0x0000000002009000-0x0000000002010000-memory.dmp

          Filesize

          28KB

        • memory/1756-82-0x0000000002001000-0x0000000002006000-memory.dmp

          Filesize

          20KB

        • memory/1756-81-0x0000000002015000-0x0000000002020000-memory.dmp

          Filesize

          44KB

        • memory/1756-80-0x0000000001FFA000-0x0000000001FFF000-memory.dmp

          Filesize

          20KB

        • memory/1756-79-0x0000000002001000-0x0000000002004000-memory.dmp

          Filesize

          12KB

        • memory/1756-78-0x0000000002035000-0x0000000002040000-memory.dmp

          Filesize

          44KB

        • memory/1756-76-0x000000001C1E9000-0x000000001C1F1000-memory.dmp

          Filesize

          32KB

        • memory/1756-77-0x000000001C1E1000-0x000000001C1E9000-memory.dmp

          Filesize

          32KB

        • memory/1756-84-0x0000000002007000-0x000000000200A000-memory.dmp

          Filesize

          12KB

        • memory/1756-74-0x000000001C1D1000-0x000000001C1D9000-memory.dmp

          Filesize

          32KB

        • memory/1756-73-0x000000000202D000-0x0000000002035000-memory.dmp

          Filesize

          32KB

        • memory/1756-72-0x0000000002029000-0x000000000202D000-memory.dmp

          Filesize

          16KB

        • memory/1756-54-0x000007FEF2B00000-0x000007FEF3B96000-memory.dmp

          Filesize

          16.6MB

        • memory/1756-70-0x0000000002021000-0x0000000002025000-memory.dmp

          Filesize

          16KB

        • memory/1756-69-0x000000000201D000-0x0000000002021000-memory.dmp

          Filesize

          16KB

        • memory/1756-68-0x0000000002019000-0x000000000201D000-memory.dmp

          Filesize

          16KB

        • memory/1756-67-0x0000000002015000-0x0000000002019000-memory.dmp

          Filesize

          16KB

        • memory/1756-65-0x000000000200D000-0x0000000002011000-memory.dmp

          Filesize

          16KB

        • memory/1756-66-0x0000000002011000-0x0000000002015000-memory.dmp

          Filesize

          16KB

        • memory/1756-60-0x0000000002003000-0x0000000002005000-memory.dmp

          Filesize

          8KB

        • memory/1756-63-0x0000000002009000-0x000000000200B000-memory.dmp

          Filesize

          8KB

        • memory/1756-64-0x000000000200B000-0x000000000200D000-memory.dmp

          Filesize

          8KB

        • memory/1756-61-0x0000000002005000-0x0000000002007000-memory.dmp

          Filesize

          8KB

        • memory/1756-62-0x0000000002007000-0x0000000002009000-memory.dmp

          Filesize

          8KB

        • memory/1756-58-0x0000000001FFE000-0x0000000002000000-memory.dmp

          Filesize

          8KB

        • memory/1756-59-0x0000000002001000-0x0000000002003000-memory.dmp

          Filesize

          8KB

        • memory/1756-57-0x0000000001FFC000-0x0000000001FFE000-memory.dmp

          Filesize

          8KB

        • memory/1756-56-0x0000000001FC6000-0x0000000001FE5000-memory.dmp

          Filesize

          124KB

        • memory/1756-55-0x0000000001FC0000-0x0000000001FC2000-memory.dmp

          Filesize

          8KB