Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2023 01:55

General

  • Target

    2b3b8c1083bb3e4524b758a755cf17fbb352aa92d272912997bd0674365d6d02.exe

  • Size

    102KB

  • MD5

    e162b1333458a713bc6916cc8ac4110c

  • SHA1

    7053e1ae3e60b42f9fb8850f8a727099530c8fcd

  • SHA256

    2b3b8c1083bb3e4524b758a755cf17fbb352aa92d272912997bd0674365d6d02

  • SHA512

    9a508117a757e4fcf192916641c77e26769e5939b6c3fa078fedad9a2821e24e69de0da74dd0cbff0309aa28cd813599dc261ded932a711dfdbb80c7ea3b353a

  • SSDEEP

    3072:BW8APjq+thIi0nPFhBbxCTomsVQYcU363K75rVzQgWzeuyb1X4Lt/VYLl4ECizQh:A8APwPFhBbxCTomsVQYc463K75rVzNW1

Score
10/10

Malware Config

Extracted

Family

blacknet

Version

v3.7.0 Public

Botnet

[ID]

C2

[HOST]

Mutex

[MUTEX]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    [Install_Name]

  • splitter

    [Splitter]

  • start_name

    [StartupName]

  • startup

    false

  • usb_spread

    false

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.

  • Program crash 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b3b8c1083bb3e4524b758a755cf17fbb352aa92d272912997bd0674365d6d02.exe
    "C:\Users\Admin\AppData\Local\Temp\2b3b8c1083bb3e4524b758a755cf17fbb352aa92d272912997bd0674365d6d02.exe"
    1⤵
      PID:4288
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 4288 -s 976
        2⤵
        • Program crash
        PID:3708
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 404 -p 4288 -ip 4288
      1⤵
        PID:5016

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4288-133-0x0000000000990000-0x00000000009B0000-memory.dmp

        Filesize

        128KB

      • memory/4288-134-0x000000001B5A0000-0x000000001B5B0000-memory.dmp

        Filesize

        64KB

      • memory/4288-135-0x000000001B620000-0x000000001B78A000-memory.dmp

        Filesize

        1.4MB