Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-10-2024 18:20

General

  • Target

    09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146.exe

  • Size

    80KB

  • MD5

    96f963d603c7ea5c02cf288710dcd9a0

  • SHA1

    da114471bc5452a6bebd3877226f3a299964f717

  • SHA256

    09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146

  • SHA512

    23c8e804a063b49b2f047013b89c65676272ba68e3f9299f338276614a7200de472baafb05df9a3ee3d3b00d8b426d646c99a6c78d1ee226f80c48cdc0060c66

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvW+jzJxuOmb54vHTL6lm:diqCsp4zVmb5uHv6lm

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
  • 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\09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146.exe
    "C:\Users\Admin\AppData\Local\Temp\09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146.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:2372
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • 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:1732
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabE217.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    80KB

    MD5

    96f963d603c7ea5c02cf288710dcd9a0

    SHA1

    da114471bc5452a6bebd3877226f3a299964f717

    SHA256

    09bd1c367f2f75a5e8dbdd8ad4d26e5ac99727ba1230ea1e91171c5cce042146

    SHA512

    23c8e804a063b49b2f047013b89c65676272ba68e3f9299f338276614a7200de472baafb05df9a3ee3d3b00d8b426d646c99a6c78d1ee226f80c48cdc0060c66

  • C:\Users\Admin\AppData\Local\Temp\TarE239.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

    e362dd3eda7b7bf79c405d8b94cac51a

    SHA1

    8f6546b42af2d04b205a87f24a928a1db59f33c3

    SHA256

    ef61a94136b9fd5a56ca1bbefad28d5742da657776fc4da658a63a47df724dfd

    SHA512

    5d4789102dae228a9d2a89935e7c04c3837e063f83d07a344432e58defc89b57cd8ca063922708e2e374c05f9664a57a1ca7bc59ef6e822ae1f90f525eb7514f

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\S0KJUTIS273H4D2JQ4WP.temp

    Filesize

    7KB

    MD5

    e7d78e7da3410efadc4bb77f66b789d2

    SHA1

    0f196c00dcab6faac8957d1bea7dcdd5e5386bf3

    SHA256

    035d547770a91cdf59718046e78a91021de14f77d92a2a5a07e4c140c4c080c9

    SHA512

    30bffaf6ad4a5fab9a6bd45ce5c7b1f3012eba4faf26e83716e825c10073aad8510df3162737f1762eb14a61c158f23fa68ab288b10592f4de1b67adec5b1603

  • \??\PIPE\srvsvc

    MD5

    d41d8cd98f00b204e9800998ecf8427e

    SHA1

    da39a3ee5e6b4b0d3255bfef95601890afd80709

    SHA256

    e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

    SHA512

    cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

  • memory/1188-90-0x0000000001FE0000-0x0000000001FE8000-memory.dmp

    Filesize

    32KB

  • memory/1188-89-0x000000001B7D0000-0x000000001BAB2000-memory.dmp

    Filesize

    2.9MB

  • memory/2372-62-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-66-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-45-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-46-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-48-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-47-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-41-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-53-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-1-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-55-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-57-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-58-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-60-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-61-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-0-0x000007FEF615E000-0x000007FEF615F000-memory.dmp

    Filesize

    4KB

  • memory/2372-63-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-59-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-64-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-65-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-44-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-67-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-68-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-2-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-71-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-73-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-76-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-77-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-75-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-78-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-3-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-42-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-40-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2372-43-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2724-82-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2724-79-0x000007FEF5EA0000-0x000007FEF683D000-memory.dmp

    Filesize

    9.6MB

  • memory/2724-54-0x000000001B740000-0x000000001BA22000-memory.dmp

    Filesize

    2.9MB

  • memory/2724-56-0x00000000021D0000-0x00000000021D8000-memory.dmp

    Filesize

    32KB