Analysis

  • max time kernel
    120s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2024 05:11

General

  • Target

    d08c2b63da0084b7b41dcc23865e17861e6c408a186982a3bddaa801c3051c3eN.exe

  • Size

    80KB

  • MD5

    5d17f255f13ededaae98ebe898517d60

  • SHA1

    15579a0942184d343603e1191ff0c0dcdde093fc

  • SHA256

    d08c2b63da0084b7b41dcc23865e17861e6c408a186982a3bddaa801c3051c3e

  • SHA512

    9095edecbd6429c0b8d8fcc18c55d8deedacf23590a12f9877e7f22b5937c1f5bbc6767513c2a408ee15b986cfdcc72c18fdb606e7741c898fe61a0ce53db5e7

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvW6jzJxuOmb54vHTL6lm:diqCspczVmb5uHv6lm

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\d08c2b63da0084b7b41dcc23865e17861e6c408a186982a3bddaa801c3051c3eN.exe
    "C:\Users\Admin\AppData\Local\Temp\d08c2b63da0084b7b41dcc23865e17861e6c408a186982a3bddaa801c3051c3eN.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:2904
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2548
    • 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:2028
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD51C.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    80KB

    MD5

    5d17f255f13ededaae98ebe898517d60

    SHA1

    15579a0942184d343603e1191ff0c0dcdde093fc

    SHA256

    d08c2b63da0084b7b41dcc23865e17861e6c408a186982a3bddaa801c3051c3e

    SHA512

    9095edecbd6429c0b8d8fcc18c55d8deedacf23590a12f9877e7f22b5937c1f5bbc6767513c2a408ee15b986cfdcc72c18fdb606e7741c898fe61a0ce53db5e7

  • C:\Users\Admin\AppData\Local\Temp\TarD53E.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

    5158eceabe0e231a9688bbc281f2081e

    SHA1

    e61dd66883efa9e365f379f0425b4d0a00e95681

    SHA256

    a6a7f2314b1dc2577f7dcb5945f17563068dfc9bece4fd28eb5413bfa07749cd

    SHA512

    44ca8dd66f7d1f173298855d3a31a578571b26a9e52e612be8d0bfddcffb73f123c2c15ded8e16f99afaf87080c9344d185e158cdb17bd077020a037204a84b2

  • memory/1768-87-0x000000001B7A0000-0x000000001BA82000-memory.dmp

    Filesize

    2.9MB

  • memory/1768-88-0x0000000002290000-0x0000000002298000-memory.dmp

    Filesize

    32KB

  • memory/2548-51-0x0000000001F40000-0x0000000001F48000-memory.dmp

    Filesize

    32KB

  • memory/2548-50-0x000000001B620000-0x000000001B902000-memory.dmp

    Filesize

    2.9MB

  • memory/2904-58-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-63-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-48-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-49-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-53-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-52-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-54-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-42-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-41-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-56-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-55-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-57-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-0-0x000007FEF5E8E000-0x000007FEF5E8F000-memory.dmp

    Filesize

    4KB

  • memory/2904-59-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-61-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-60-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-62-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-43-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-40-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-68-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-66-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-72-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-73-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-75-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-76-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-77-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-80-0x000000001FBCF000-0x000000001FBD7000-memory.dmp

    Filesize

    32KB

  • memory/2904-79-0x000000001FBB7000-0x000000001FBBB000-memory.dmp

    Filesize

    16KB

  • memory/2904-81-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-78-0x000000001FBAB000-0x000000001FBAF000-memory.dmp

    Filesize

    16KB

  • memory/2904-74-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-3-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-2-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB

  • memory/2904-1-0x000007FEF5BD0000-0x000007FEF656D000-memory.dmp

    Filesize

    9.6MB