Analysis

  • max time kernel
    150s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2024 03:23

General

  • Target

    e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe

  • Size

    80KB

  • MD5

    b674fc47bf5919c6bae7a2ee6f930c96

  • SHA1

    1bf46d6d3262ee63eb844859c96b46bec26d626a

  • SHA256

    e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a

  • SHA512

    384f6c5bb3e9cc759c4d2a3eed18cbeca51acb047e6fb46690991fcc0064975f706a7b4bc676cf35c8b3220d613c0ac144fc1727bcf496a0101f2c6fe5ca5c0a

  • SSDEEP

    1536:dPvK/3zvzVQtCsscKvWCjzJxuOmb54vHTL6lm:diqCspUzVmb5uHv6lm

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\e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.exe
    "C:\Users\Admin\AppData\Local\Temp\e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a.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:2260
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2804
    • 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:1480
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabD387.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    80KB

    MD5

    b674fc47bf5919c6bae7a2ee6f930c96

    SHA1

    1bf46d6d3262ee63eb844859c96b46bec26d626a

    SHA256

    e8b74b9be24b247a12f87c051243e2985f80fc18653cc193ade7b05598046d9a

    SHA512

    384f6c5bb3e9cc759c4d2a3eed18cbeca51acb047e6fb46690991fcc0064975f706a7b4bc676cf35c8b3220d613c0ac144fc1727bcf496a0101f2c6fe5ca5c0a

  • C:\Users\Admin\AppData\Local\Temp\TarD399.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Q6TEDGBER1XHTX2SOJRB.temp

    Filesize

    7KB

    MD5

    87285a9274f097775e8fd515f62e78af

    SHA1

    f4bbc23081f0a6a8191325152435c3eaafe801f7

    SHA256

    ca86ad8d6750611b791eb8e5ce49e9c264f90fbccfc628e6788af30fd9de5d9b

    SHA512

    7f0cb08f9ffac713cc851c19a683a2a4888a0f0f27ce5132df2afc2c087db2fc8e16d254c1e207dbbb40e4aa2f79ba38bb61a13dd89e0e9b50a0b62bb4aab459

  • memory/1816-83-0x000000001B760000-0x000000001BA42000-memory.dmp

    Filesize

    2.9MB

  • memory/1816-84-0x0000000001E00000-0x0000000001E08000-memory.dmp

    Filesize

    32KB

  • memory/2260-43-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-70-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-41-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-0-0x000007FEF556E000-0x000007FEF556F000-memory.dmp

    Filesize

    4KB

  • memory/2260-44-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-1-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-49-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-52-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-2-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-54-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-53-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-55-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-56-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-57-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-60-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-59-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-58-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-61-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-62-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-66-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-65-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-40-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-42-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-72-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-75-0x000000001FBFF000-0x000000001FC07000-memory.dmp

    Filesize

    32KB

  • memory/2260-76-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-74-0x000000001FBEB000-0x000000001FBEF000-memory.dmp

    Filesize

    16KB

  • memory/2260-73-0x000000001FBDF000-0x000000001FBE3000-memory.dmp

    Filesize

    16KB

  • memory/2260-77-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2260-3-0x000007FEF52B0000-0x000007FEF5C4D000-memory.dmp

    Filesize

    9.6MB

  • memory/2804-51-0x0000000001D20000-0x0000000001D28000-memory.dmp

    Filesize

    32KB

  • memory/2804-50-0x000000001B600000-0x000000001B8E2000-memory.dmp

    Filesize

    2.9MB