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Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20/10/2024, 00:30

General

  • Target

    9cfd629d245d36243638732f9ab3d3ff97817ccb6c3f1f906762b21a2e7e2d29.exe

  • Size

    80KB

  • MD5

    06b787981a537662f649ec873167fb71

  • SHA1

    36c170af86855312eb4f152b37d959658f3933e4

  • SHA256

    9cfd629d245d36243638732f9ab3d3ff97817ccb6c3f1f906762b21a2e7e2d29

  • SHA512

    55c3b7a5209200da4819ac75607f3e26a05cb9956b5f7087762e53f7718120abf7343dc63ae3c059c5da54ebc4daea7764a383ecfd1e020a271ad435d3e950fa

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvWijzJxuOmb54vHTL6lm:diqCspUzVmb5uHv6lm

Malware Config

Extracted

Family

blacknet

Botnet

HacKed

C2

https://lovegunny.net/

Mutex

BN[GnFquUJG-0548378]

Attributes
  • antivm

    false

  • elevate_uac

    true

  • install_name

    WindowsUpdate.exe

  • splitter

    |BN|

  • start_name

    cde2f914e4cce7f13b2c1cec7b6da970

  • 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
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9cfd629d245d36243638732f9ab3d3ff97817ccb6c3f1f906762b21a2e7e2d29.exe
    "C:\Users\Admin\AppData\Local\Temp\9cfd629d245d36243638732f9ab3d3ff97817ccb6c3f1f906762b21a2e7e2d29.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Windows security modification
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:844
    • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
      • Executes dropped EXE
      • Windows security modification
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1364
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:860
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2168

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab41A4.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe

    Filesize

    80KB

    MD5

    06b787981a537662f649ec873167fb71

    SHA1

    36c170af86855312eb4f152b37d959658f3933e4

    SHA256

    9cfd629d245d36243638732f9ab3d3ff97817ccb6c3f1f906762b21a2e7e2d29

    SHA512

    55c3b7a5209200da4819ac75607f3e26a05cb9956b5f7087762e53f7718120abf7343dc63ae3c059c5da54ebc4daea7764a383ecfd1e020a271ad435d3e950fa

  • C:\Users\Admin\AppData\Local\Temp\Tar4214.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    e2254b727793cb2b8aa1cf2cdadb138c

    SHA1

    2e45db7a7d5c2480ff84b71b1e3a9ade59f76d30

    SHA256

    94b511311ab21b6fcdbf4bd4f302b5df9fa961eca21093b912a6b59fc89313c7

    SHA512

    b66ec03cd5d0b3799c9d23edfddb3abe7e9697d3c66a30b0a0404d43ea238b0d37043b6684e8b302be013c561a5c54bbe105304a6c5354702b8f3e9a375fb6dd

  • memory/844-51-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-60-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-40-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-41-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-44-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-2-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-49-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-50-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-0-0x000007FEF58FE000-0x000007FEF58FF000-memory.dmp

    Filesize

    4KB

  • memory/844-52-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-1-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-3-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/844-57-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/860-69-0x0000000002460000-0x0000000002468000-memory.dmp

    Filesize

    32KB

  • memory/860-68-0x000000001B3E0000-0x000000001B6C2000-memory.dmp

    Filesize

    2.9MB

  • memory/1364-61-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/1364-62-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/1364-70-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/1364-72-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/1364-71-0x000007FEF5640000-0x000007FEF5FDD000-memory.dmp

    Filesize

    9.6MB

  • memory/2168-59-0x00000000025D0000-0x00000000025D8000-memory.dmp

    Filesize

    32KB

  • memory/2168-58-0x000000001B2D0000-0x000000001B5B2000-memory.dmp

    Filesize

    2.9MB