Analysis

  • max time kernel
    120s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2024 19:33

General

  • Target

    169fb569e24661ea2655ee7d44d4c05e0401720eb7d5db77aec8f57b81c73cb6N.exe

  • Size

    80KB

  • MD5

    3d3f69a6e0a5517fea166dfb72b7d3d0

  • SHA1

    22bdcdcebc3586ff5db7655b6a7f9ecc751e9ea4

  • SHA256

    169fb569e24661ea2655ee7d44d4c05e0401720eb7d5db77aec8f57b81c73cb6

  • SHA512

    56a703a8717dfe8837ba2357ae1fe5cbc1f1b6154626d40e5fa97cec135fdfe60aafaa5c7a4f425375ed7854a4b1c0394dcc198ba05c868c82cbe65a37750e75

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvWUjzJxuOmb54vHTL6lm:diqCspazVmb5uHv6lm

Malware Config

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\169fb569e24661ea2655ee7d44d4c05e0401720eb7d5db77aec8f57b81c73cb6N.exe
    "C:\Users\Admin\AppData\Local\Temp\169fb569e24661ea2655ee7d44d4c05e0401720eb7d5db77aec8f57b81c73cb6N.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:436
    • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\WindowsUpdate.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4208
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    8bd2c33382885721f80af7f0373e21ba

    SHA1

    a2c5c9a42854ce21600ac7ea79a2aba1c47252bf

    SHA256

    5c90e54f905f018538d7d1a5895abb7e18d48cc65690c33996760cf8930caf7e

    SHA512

    8e61fafceab9763c7394a46a1657e6b48ff4c895d64832d8691fba30de6c1dfe8baa5a2825d3a3af5215338cb225e41e16607d872a74186eb0a9d3eefcc8d4d1

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

    Filesize

    80KB

    MD5

    3d3f69a6e0a5517fea166dfb72b7d3d0

    SHA1

    22bdcdcebc3586ff5db7655b6a7f9ecc751e9ea4

    SHA256

    169fb569e24661ea2655ee7d44d4c05e0401720eb7d5db77aec8f57b81c73cb6

    SHA512

    56a703a8717dfe8837ba2357ae1fe5cbc1f1b6154626d40e5fa97cec135fdfe60aafaa5c7a4f425375ed7854a4b1c0394dcc198ba05c868c82cbe65a37750e75

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f3v0g3fs.gwz.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/436-46-0x000002332AB80000-0x000002332ABA2000-memory.dmp

    Filesize

    136KB

  • memory/1904-15-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-33-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-7-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-8-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-9-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-10-0x000000001F140000-0x000000001F1A2000-memory.dmp

    Filesize

    392KB

  • memory/1904-11-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-14-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-16-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-0-0x00007FFD38385000-0x00007FFD38386000-memory.dmp

    Filesize

    4KB

  • memory/1904-17-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-5-0x0000000000CD0000-0x0000000000CD8000-memory.dmp

    Filesize

    32KB

  • memory/1904-32-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-6-0x000000001BF90000-0x000000001BFDC000-memory.dmp

    Filesize

    304KB

  • memory/1904-30-0x00007FFD38385000-0x00007FFD38386000-memory.dmp

    Filesize

    4KB

  • memory/1904-1-0x000000001B2B0000-0x000000001B356000-memory.dmp

    Filesize

    664KB

  • memory/1904-2-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/1904-3-0x000000001B830000-0x000000001BCFE000-memory.dmp

    Filesize

    4.8MB

  • memory/1904-4-0x000000001BE30000-0x000000001BECC000-memory.dmp

    Filesize

    624KB

  • memory/4208-36-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-35-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-34-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-61-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-62-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB

  • memory/4208-63-0x00007FFD380D0000-0x00007FFD38A71000-memory.dmp

    Filesize

    9.6MB