Analysis

  • max time kernel
    120s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 06:48

General

  • Target

    245f8d902559bf31d238fa69fa1307f72744e560e9e1554ca8e2b039959248f1N.exe

  • Size

    80KB

  • MD5

    93e6aea528639d78505252d740e99ff0

  • SHA1

    edc262e241034011beb0be6eaf82b5171368aa07

  • SHA256

    245f8d902559bf31d238fa69fa1307f72744e560e9e1554ca8e2b039959248f1

  • SHA512

    64f6b684f2b81b9f96fffe04e3a92247d1f1b07496aac283b5946d247cab08c3a766d5404e26e7d5c095ab22c1fcb2df8a5ed205aa437cc64f52e7795342f02b

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvW3jzJxuOmb54MHTLBlv:diqCspjzVmb55HvBlv

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\245f8d902559bf31d238fa69fa1307f72744e560e9e1554ca8e2b039959248f1N.exe
    "C:\Users\Admin\AppData\Local\Temp\245f8d902559bf31d238fa69fa1307f72744e560e9e1554ca8e2b039959248f1N.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:4100
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5020
    • C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\9siUr04YSUrSe.exe
      "C:\Users\Admin\AppData\Local\Temp\Microsoft\MyClient\9siUr04YSUrSe.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:580

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\9siUr04YSUrSe.exe

    Filesize

    80KB

    MD5

    93e6aea528639d78505252d740e99ff0

    SHA1

    edc262e241034011beb0be6eaf82b5171368aa07

    SHA256

    245f8d902559bf31d238fa69fa1307f72744e560e9e1554ca8e2b039959248f1

    SHA512

    64f6b684f2b81b9f96fffe04e3a92247d1f1b07496aac283b5946d247cab08c3a766d5404e26e7d5c095ab22c1fcb2df8a5ed205aa437cc64f52e7795342f02b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kch34biv.0w2.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2340-33-0x00000000012F0000-0x0000000001300000-memory.dmp

    Filesize

    64KB

  • memory/2340-65-0x00007FFA24BB5000-0x00007FFA24BB6000-memory.dmp

    Filesize

    4KB

  • memory/2340-34-0x00007FFA24BB5000-0x00007FFA24BB6000-memory.dmp

    Filesize

    4KB

  • memory/2340-46-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/2340-64-0x00000000012F0000-0x0000000001300000-memory.dmp

    Filesize

    64KB

  • memory/2340-66-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-16-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-6-0x000000001BD40000-0x000000001BD48000-memory.dmp

    Filesize

    32KB

  • memory/4100-14-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-15-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-10-0x000000001FB70000-0x000000001FBD2000-memory.dmp

    Filesize

    392KB

  • memory/4100-9-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-0-0x00007FFA24BB5000-0x00007FFA24BB6000-memory.dmp

    Filesize

    4KB

  • memory/4100-8-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-7-0x000000001C9C0000-0x000000001CA0C000-memory.dmp

    Filesize

    304KB

  • memory/4100-13-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-35-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-47-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-5-0x000000001C860000-0x000000001C8FC000-memory.dmp

    Filesize

    624KB

  • memory/4100-4-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-3-0x000000001C240000-0x000000001C70E000-memory.dmp

    Filesize

    4.8MB

  • memory/4100-2-0x00007FFA24900000-0x00007FFA252A1000-memory.dmp

    Filesize

    9.6MB

  • memory/4100-32-0x000000001D500000-0x000000001D600000-memory.dmp

    Filesize

    1024KB

  • memory/4100-1-0x000000001BC70000-0x000000001BD16000-memory.dmp

    Filesize

    664KB

  • memory/5020-19-0x00007FFA20E03000-0x00007FFA20E05000-memory.dmp

    Filesize

    8KB

  • memory/5020-51-0x00007FFA20E00000-0x00007FFA218C1000-memory.dmp

    Filesize

    10.8MB

  • memory/5020-48-0x000001B79FAC0000-0x000001B79FAE2000-memory.dmp

    Filesize

    136KB

  • memory/5020-31-0x00007FFA20E00000-0x00007FFA218C1000-memory.dmp

    Filesize

    10.8MB

  • memory/5020-30-0x00007FFA20E00000-0x00007FFA218C1000-memory.dmp

    Filesize

    10.8MB