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 20:22

General

  • Target

    c3de198ab18aa8d4a4551d118737f08689d9bd117c6f3846361f57307f43ab29N.exe

  • Size

    80KB

  • MD5

    06254a7cda0e4837742108417185b3e0

  • SHA1

    634cf5ec191c7b2481d2d371108302eda1d7f3d6

  • SHA256

    c3de198ab18aa8d4a4551d118737f08689d9bd117c6f3846361f57307f43ab29

  • SHA512

    2d486bcc54ed59cfefc4533bba9e43a2cbe4a705dc163b06cb3e27a04fe9c849a355d90203cc0cb39221db252359b47728d6cde9be7f35b5186349ccb26c9efd

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvWljzJxuOmb54vHTL6lm:diqCsp1zVmb5uHv6lm

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\c3de198ab18aa8d4a4551d118737f08689d9bd117c6f3846361f57307f43ab29N.exe
    "C:\Users\Admin\AppData\Local\Temp\c3de198ab18aa8d4a4551d118737f08689d9bd117c6f3846361f57307f43ab29N.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:3096
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • 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:4472
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2876

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

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

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

    Filesize

    80KB

    MD5

    06254a7cda0e4837742108417185b3e0

    SHA1

    634cf5ec191c7b2481d2d371108302eda1d7f3d6

    SHA256

    c3de198ab18aa8d4a4551d118737f08689d9bd117c6f3846361f57307f43ab29

    SHA512

    2d486bcc54ed59cfefc4533bba9e43a2cbe4a705dc163b06cb3e27a04fe9c849a355d90203cc0cb39221db252359b47728d6cde9be7f35b5186349ccb26c9efd

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s1ged3c5.zwd.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2612-52-0x00007FFDCBE10000-0x00007FFDCC8D1000-memory.dmp

    Filesize

    10.8MB

  • memory/2612-44-0x000001DFE5410000-0x000001DFE5432000-memory.dmp

    Filesize

    136KB

  • memory/2612-30-0x00007FFDCBE10000-0x00007FFDCC8D1000-memory.dmp

    Filesize

    10.8MB

  • memory/2612-32-0x000001DFCCC90000-0x000001DFCCCA0000-memory.dmp

    Filesize

    64KB

  • memory/2612-26-0x00007FFDCBE13000-0x00007FFDCBE15000-memory.dmp

    Filesize

    8KB

  • memory/3096-8-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/3096-5-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/3096-13-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/3096-14-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/3096-15-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/3096-16-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/3096-9-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/3096-0-0x00007FFDCF855000-0x00007FFDCF856000-memory.dmp

    Filesize

    4KB

  • memory/3096-1-0x000000001B900000-0x000000001B9A6000-memory.dmp

    Filesize

    664KB

  • memory/3096-3-0x000000001BE80000-0x000000001C34E000-memory.dmp

    Filesize

    4.8MB

  • memory/3096-33-0x0000000020350000-0x0000000020450000-memory.dmp

    Filesize

    1024KB

  • memory/3096-7-0x000000001C500000-0x000000001C54C000-memory.dmp

    Filesize

    304KB

  • memory/3096-31-0x0000000020350000-0x0000000020450000-memory.dmp

    Filesize

    1024KB

  • memory/3096-10-0x000000001D6C0000-0x000000001D722000-memory.dmp

    Filesize

    392KB

  • memory/3096-2-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/3096-37-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/3096-6-0x0000000001120000-0x0000000001128000-memory.dmp

    Filesize

    32KB

  • memory/3096-4-0x000000001C3F0000-0x000000001C48C000-memory.dmp

    Filesize

    624KB

  • memory/3096-49-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/4472-36-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/4472-35-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/4472-34-0x00007FFDCF855000-0x00007FFDCF856000-memory.dmp

    Filesize

    4KB

  • memory/4472-66-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/4472-67-0x00007FFDCF5A0000-0x00007FFDCFF41000-memory.dmp

    Filesize

    9.6MB

  • memory/4472-65-0x00007FFDCF855000-0x00007FFDCF856000-memory.dmp

    Filesize

    4KB