Overview

overview

10

Static

static

10

b33d569af5...09.exe

windows7_x64

10

b33d569af5...09.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    70s
  • max time network
    194s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 14:00

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General

  • Target

    b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09.exe

  • Size

    131KB

  • MD5

    c4f79edc4498c5570495bb36fc942134

  • SHA1

    00046b588252502480e8e708a22d25ae1d9b05fa

  • SHA256

    b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

  • SHA512

    07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

Score
10/10
blacknethackedpersistencetrojan

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.

    trojanblacknet
  • 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 2 IoCs
    persistence
  • 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 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:1224
    • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
        PID:632
        • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe"
          3⤵
            PID:1876

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Privilege Escalation

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Discovery

      System Information Discovery

      1
      T1082

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      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

        Download Submit
      • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\WindowsUpdate.exe
        Filesize

        131KB

        MD5

        c4f79edc4498c5570495bb36fc942134

        SHA1

        00046b588252502480e8e708a22d25ae1d9b05fa

        SHA256

        b33d569af5e490875d6473c6402797ddb4ce639bb1f1cf7f67698eeafa625f09

        SHA512

        07bdeb39b35835a752886c2d308a68d263b36e8372d2bf320ede5b85252d14e284985d0889dfa9fcffec7ede7c3585a46cb0165b00be903755ffe63cacb21cef

        Download Submit
      • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
        Filesize

        17KB

        MD5

        89dd6e72358a669b7d6e2348307a7af7

        SHA1

        0db348f3c6114a45d71f4d218e0e088b71c7bb0a

        SHA256

        ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

        SHA512

        93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

        Download Submit
      • C:\Users\Admin\AppData\Roaming\Microsoft\MyClient\svchosts.exe
        Filesize

        17KB

        MD5

        89dd6e72358a669b7d6e2348307a7af7

        SHA1

        0db348f3c6114a45d71f4d218e0e088b71c7bb0a

        SHA256

        ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e

        SHA512

        93b8a47686d7491281a0809b138a6244a535302ba0d6b2146849e9888632c72b6223ae8eb7a24f1006aaf57ab947a8f43719cff4837df559e7bf42f52c63856b

        Download Submit
      • memory/632-73-0x0000000000C05000-0x0000000000C08000-memory.dmp
        Filesize

        12KB

        Download
      • memory/632-66-0x0000000000000000-mapping.dmp
        Download
      • memory/632-72-0x0000000000BEE000-0x0000000000BF2000-memory.dmp
        Filesize

        16KB

        Download
      • memory/632-71-0x0000000000BC6000-0x0000000000BE5000-memory.dmp
        Filesize

        124KB

        Download
      • memory/632-69-0x000007FEF2CE0000-0x000007FEF3D76000-memory.dmp
        Filesize

        16.6MB

        Download
      • memory/1224-63-0x0000000001F3C000-0x0000000001F46000-memory.dmp
        Filesize

        40KB

        Download
      • memory/1224-61-0x0000000001F51000-0x0000000001F54000-memory.dmp
        Filesize

        12KB

        Download
      • memory/1224-65-0x0000000001F3E000-0x0000000001F43000-memory.dmp
        Filesize

        20KB

        Download
      • memory/1224-59-0x0000000001F49000-0x0000000001F4F000-memory.dmp
        Filesize

        24KB

        Download
      • memory/1224-58-0x0000000001F51000-0x0000000001F54000-memory.dmp
        Filesize

        12KB

        Download
      • memory/1224-57-0x0000000001F5D000-0x0000000001F61000-memory.dmp
        Filesize

        16KB

        Download
      • memory/1224-62-0x0000000001F51000-0x0000000001F54000-memory.dmp
        Filesize

        12KB

        Download
      • memory/1224-64-0x0000000001F48000-0x0000000001F4B000-memory.dmp
        Filesize

        12KB

        Download
      • memory/1224-60-0x0000000001F59000-0x0000000001F5C000-memory.dmp
        Filesize

        12KB

        Download
      • memory/1224-54-0x000007FEF2CE0000-0x000007FEF3D76000-memory.dmp
        Filesize

        16.6MB

        Download
      • memory/1224-56-0x0000000001F16000-0x0000000001F35000-memory.dmp
        Filesize

        124KB

        Download
      • memory/1224-55-0x000007FEFBCD1000-0x000007FEFBCD3000-memory.dmp
        Filesize

        8KB

        Download
      • memory/1876-74-0x0000000000000000-mapping.dmp
        Download
      • memory/1876-77-0x000007FEF2CE0000-0x000007FEF3D76000-memory.dmp
        Filesize

        16.6MB

        Download
      • memory/1876-78-0x0000000000B86000-0x0000000000BA5000-memory.dmp
        Filesize

        124KB

        Download