Analysis

  • max time kernel
    36s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-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 11 IoCs
  • Contains code to disable Windows Defender 11 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Executes dropped EXE 4 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
    "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3116
    • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3768
    • C:\Users\Admin\AppData\Local\Temp\svchosts.exe
      "C:\Users\Admin\AppData\Local\Temp\svchosts.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1324
      • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
        "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5024
      • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
        "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4620
      • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
        "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
        3⤵
          PID:424
        • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
          "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
          3⤵
            PID:4652
          • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
            "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
            3⤵
              PID:4828
            • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
              "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
              3⤵
                PID:3888
              • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
                "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
                3⤵
                  PID:4024
                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
                  "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
                  3⤵
                    PID:1460
                  • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe
                    "C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe"
                    3⤵
                      PID:4276

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0\UsageLogs\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe.log

                  Filesize

                  866B

                  MD5

                  d7d09fe4ff702ba9f25d5f48923708b6

                  SHA1

                  85ce2b7a1c9a4c3252fc9f471cf13ad50ad2cf65

                  SHA256

                  ae5b9b53869ba7b6bf99b07cb09c9ce9ff11d4abbbb626570390f9fba4f6f462

                  SHA512

                  500a313cc36a23302763d6957516640c981da2fbab691c8b66518f5b0051e25dfb1b09449efff526eab707fa1be36ef9362286869c82b3800e42d2d8287ef1cf

                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

                  Filesize

                  131KB

                  MD5

                  c4f79edc4498c5570495bb36fc942134

                  SHA1

                  00046b588252502480e8e708a22d25ae1d9b05fa

                  SHA256

                  b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

                  SHA512

                  07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

                  Filesize

                  131KB

                  MD5

                  c4f79edc4498c5570495bb36fc942134

                  SHA1

                  00046b588252502480e8e708a22d25ae1d9b05fa

                  SHA256

                  b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

                  SHA512

                  07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

                  Filesize

                  131KB

                  MD5

                  c4f79edc4498c5570495bb36fc942134

                  SHA1

                  00046b588252502480e8e708a22d25ae1d9b05fa

                  SHA256

                  b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

                  SHA512

                  07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

                  Filesize

                  131KB

                  MD5

                  c4f79edc4498c5570495bb36fc942134

                  SHA1

                  00046b588252502480e8e708a22d25ae1d9b05fa

                  SHA256

                  b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

                  SHA512

                  07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

                  Filesize

                  131KB

                  MD5

                  c4f79edc4498c5570495bb36fc942134

                  SHA1

                  00046b588252502480e8e708a22d25ae1d9b05fa

                  SHA256

                  b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

                  SHA512

                  07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

                  Filesize

                  131KB

                  MD5

                  c4f79edc4498c5570495bb36fc942134

                  SHA1

                  00046b588252502480e8e708a22d25ae1d9b05fa

                  SHA256

                  b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

                  SHA512

                  07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

                  Filesize

                  131KB

                  MD5

                  c4f79edc4498c5570495bb36fc942134

                  SHA1

                  00046b588252502480e8e708a22d25ae1d9b05fa

                  SHA256

                  b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

                  SHA512

                  07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

                  Filesize

                  131KB

                  MD5

                  c4f79edc4498c5570495bb36fc942134

                  SHA1

                  00046b588252502480e8e708a22d25ae1d9b05fa

                  SHA256

                  b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

                  SHA512

                  07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

                • C:\Users\Admin\AppData\Local\Temp\b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

                  Filesize

                  131KB

                  MD5

                  c4f79edc4498c5570495bb36fc942134

                  SHA1

                  00046b588252502480e8e708a22d25ae1d9b05fa

                  SHA256

                  b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

                  SHA512

                  07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

                • C:\Users\Admin\AppData\Local\Temp\svchosts.exe

                  Filesize

                  17KB

                  MD5

                  89dd6e72358a669b7d6e2348307a7af7

                  SHA1

                  0db348f3c6114a45d71f4d218e0e088b71c7bb0a

                  SHA256

                  ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

                  SHA512

                  93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

                • C:\Users\Admin\AppData\Local\Temp\svchosts.exe

                  Filesize

                  17KB

                  MD5

                  89dd6e72358a669b7d6e2348307a7af7

                  SHA1

                  0db348f3c6114a45d71f4d218e0e088b71c7bb0a

                  SHA256

                  ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

                  SHA512

                  93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

                • 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

                • memory/424-158-0x00000000013AA000-0x00000000013AF000-memory.dmp

                  Filesize

                  20KB

                • memory/424-156-0x0000000000000000-mapping.dmp

                • memory/1324-141-0x0000000000000000-mapping.dmp

                • memory/1460-173-0x000000000120A000-0x000000000120F000-memory.dmp

                  Filesize

                  20KB

                • memory/1460-171-0x0000000000000000-mapping.dmp

                • memory/3116-133-0x000000002115A000-0x000000002115D000-memory.dmp

                  Filesize

                  12KB

                • memory/3116-130-0x0000000000D3A000-0x0000000000D3F000-memory.dmp

                  Filesize

                  20KB

                • memory/3116-134-0x000000002115D000-0x0000000021160000-memory.dmp

                  Filesize

                  12KB

                • memory/3116-131-0x0000000021150000-0x0000000021153000-memory.dmp

                  Filesize

                  12KB

                • memory/3116-132-0x0000000021157000-0x000000002115A000-memory.dmp

                  Filesize

                  12KB

                • memory/3116-135-0x0000000021160000-0x0000000021165000-memory.dmp

                  Filesize

                  20KB

                • memory/3116-137-0x000000002116A000-0x000000002116F000-memory.dmp

                  Filesize

                  20KB

                • memory/3116-136-0x0000000021165000-0x000000002116A000-memory.dmp

                  Filesize

                  20KB

                • memory/3768-138-0x0000000000000000-mapping.dmp

                • memory/3768-145-0x0000000021050000-0x0000000021053000-memory.dmp

                  Filesize

                  12KB

                • memory/3768-148-0x000000002105D000-0x0000000021060000-memory.dmp

                  Filesize

                  12KB

                • memory/3768-147-0x000000002105A000-0x000000002105D000-memory.dmp

                  Filesize

                  12KB

                • memory/3768-144-0x000000000167A000-0x000000000167F000-memory.dmp

                  Filesize

                  20KB

                • memory/3768-146-0x0000000021057000-0x000000002105A000-memory.dmp

                  Filesize

                  12KB

                • memory/3888-165-0x0000000000000000-mapping.dmp

                • memory/3888-167-0x000000000098A000-0x000000000098F000-memory.dmp

                  Filesize

                  20KB

                • memory/4024-168-0x0000000000000000-mapping.dmp

                • memory/4024-170-0x000000000116A000-0x000000000116F000-memory.dmp

                  Filesize

                  20KB

                • memory/4276-174-0x0000000000000000-mapping.dmp

                • memory/4276-176-0x0000000000E9A000-0x0000000000E9F000-memory.dmp

                  Filesize

                  20KB

                • memory/4620-155-0x0000000000E6A000-0x0000000000E6F000-memory.dmp

                  Filesize

                  20KB

                • memory/4620-153-0x0000000000000000-mapping.dmp

                • memory/4652-161-0x00000000017AA000-0x00000000017AF000-memory.dmp

                  Filesize

                  20KB

                • memory/4652-159-0x0000000000000000-mapping.dmp

                • memory/4828-164-0x0000000000A6A000-0x0000000000A6F000-memory.dmp

                  Filesize

                  20KB

                • memory/4828-162-0x0000000000000000-mapping.dmp

                • memory/5024-152-0x000000000121A000-0x000000000121F000-memory.dmp

                  Filesize

                  20KB

                • memory/5024-149-0x0000000000000000-mapping.dmp