Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/08/2023, 16:06

General

  • Target

    122fadb5b266bfe5525a7b450e4c778f.exe

  • Size

    79KB

  • MD5

    122fadb5b266bfe5525a7b450e4c778f

  • SHA1

    6141866987d31e85a522ea3881110789e4d38893

  • SHA256

    c105e8c3286a2589c4bbdaefbd266cd45be414d08854e48b4aa43104cc48c510

  • SHA512

    4f19e9cdaa581cae9d7e9bd4e534339beba55f4cc550a0dfd5b79a6476b89e6a1c90a6ea67bf0d06f9b7663cccee657b07cbc95c05415ca0eeeaa9f5e62f9b0e

  • SSDEEP

    1536:AZuhD5z28TC2CYl9706u/GiPL1TgbSUPH4LgjCtYn:51306u/G0tgbSKHagj+Yn

Malware Config

Extracted

Family

blacknet

Botnet

asfdgs

C2

http://google.com/pane

Mutex

dfgBN[iCvlRabZ-7434932]

Attributes
  • antivm

    false

  • elevate_uac

    false

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    35dcbc7eb742dd4f1edfbccf7826c724

  • startup

    false

  • usb_spread

    true

Signatures

  • BlackNET

    BlackNET is an open source remote access tool written in VB.NET.

  • BlackNET payload 1 IoCs
  • Contains code to disable Windows Defender 1 IoCs

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

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\122fadb5b266bfe5525a7b450e4c778f.exe
    "C:\Users\Admin\AppData\Local\Temp\122fadb5b266bfe5525a7b450e4c778f.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2056
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONSTART /RL HIGHEST /tn "'122fadb5b266bfe5525a7b450e4c778f"' /tr "'C:\Users\Admin\AppData\Local\Temp\122fadb5b266bfe5525a7b450e4c778f.exe"'
      2⤵
      • Creates scheduled task(s)
      PID:3436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jufw0yf2.fj1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1592-185-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-189-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-136-0x00000000003C0000-0x00000000003DA000-memory.dmp

    Filesize

    104KB

  • memory/1592-137-0x000000001B440000-0x000000001B4E6000-memory.dmp

    Filesize

    664KB

  • memory/1592-138-0x000000001B9C0000-0x000000001BE8E000-memory.dmp

    Filesize

    4.8MB

  • memory/1592-139-0x000000001BF50000-0x000000001BFEC000-memory.dmp

    Filesize

    624KB

  • memory/1592-140-0x0000000000E00000-0x0000000000E08000-memory.dmp

    Filesize

    32KB

  • memory/1592-141-0x000000001C0B0000-0x000000001C0FC000-memory.dmp

    Filesize

    304KB

  • memory/1592-142-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-143-0x000000001F260000-0x000000001F2C2000-memory.dmp

    Filesize

    392KB

  • memory/1592-144-0x00007FFF8AEE0000-0x00007FFF8B881000-memory.dmp

    Filesize

    9.6MB

  • memory/1592-145-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-146-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-148-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-147-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-149-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-150-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-151-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-152-0x00007FFF8AEE0000-0x00007FFF8B881000-memory.dmp

    Filesize

    9.6MB

  • memory/1592-154-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-155-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-153-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-156-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-199-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-134-0x00007FFF8AEE0000-0x00007FFF8B881000-memory.dmp

    Filesize

    9.6MB

  • memory/1592-198-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-135-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-197-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-192-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-171-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-172-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-173-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-174-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-196-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-176-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-195-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-180-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-181-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-182-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-183-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-184-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-133-0x00007FFF8AEE0000-0x00007FFF8B881000-memory.dmp

    Filesize

    9.6MB

  • memory/1592-186-0x0000000000CE0000-0x0000000000CF0000-memory.dmp

    Filesize

    64KB

  • memory/1592-187-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-188-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-194-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-190-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-191-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-170-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/1592-193-0x0000000020290000-0x0000000020390000-memory.dmp

    Filesize

    1024KB

  • memory/2056-167-0x00007FFF888B0000-0x00007FFF89371000-memory.dmp

    Filesize

    10.8MB

  • memory/2056-179-0x00007FFF888B0000-0x00007FFF89371000-memory.dmp

    Filesize

    10.8MB

  • memory/2056-175-0x000001DD091C0000-0x000001DD091D0000-memory.dmp

    Filesize

    64KB

  • memory/2056-169-0x000001DD091C0000-0x000001DD091D0000-memory.dmp

    Filesize

    64KB

  • memory/2056-168-0x000001DD091C0000-0x000001DD091D0000-memory.dmp

    Filesize

    64KB

  • memory/2056-162-0x000001DD0AA90000-0x000001DD0AAB2000-memory.dmp

    Filesize

    136KB