Resubmissions

25/11/2020, 10:45

201125-ekgtzqvpsn 8

25/11/2020, 10:44

201125-hrpw21dsr6 8

25/11/2020, 10:43

201125-wwx6w44c6j 8

Analysis

  • max time kernel
    35s
  • max time network
    15s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25/11/2020, 10:43

General

  • Target

    VitalInstaller.exe

  • Size

    23.6MB

  • MD5

    e21bfcc2a8f2a46655bb7192858c7160

  • SHA1

    33c9e1f6977d040bad6ec7ff52e2042a9e1ad976

  • SHA256

    fa0698c6c51ff98d404bda2d90397aba8a03488cbe55fb62f1f02db7c63150b8

  • SHA512

    c87e19708188b8dea23a6b073e8b2faa1deed78ec7d07fff844615dc89997e4d4d30cee4c2c8ea6c2fb1327e27badfe4846dc7e146238cb43879ff09c433a2e9

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 12 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VitalInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\VitalInstaller.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Users\Admin\AppData\Local\Temp\is-Q1NOA.tmp\VitalInstaller.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-Q1NOA.tmp\VitalInstaller.tmp" /SL5="$2011E,23804395,1039360,C:\Users\Admin\AppData\Local\Temp\VitalInstaller.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:2492
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3776

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads