Analysis

  • max time kernel
    150s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    21-06-2023 11:25

General

  • Target

    carLambo/FirstRun.class

  • Size

    8KB

  • MD5

    318972286d87825587e5e3aec831c456

  • SHA1

    3d88392cfddad6d545df17fed75b382b1a99354b

  • SHA256

    6806d4b789483e7b823ecb155368003c4cb5b6cbd23c85283a70ccc1de4748d6

  • SHA512

    605af3ba5801bd9183798452e714ebdf9b4fb33f87ddbcdc18cf3c4bdaf70a6b1635c7fd9136433e059b104dae1e38b265f706939dd4355caea672dd99f3ed10

  • SSDEEP

    192:FKAtYPjQV2xLZgL42TA0qlJVHO5UNbkPs06z:FKgQCMLZgL42MzuUbkPsL

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\carLambo\FirstRun.class
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1668
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\carLambo\FirstRun.class
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:884
      • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
        "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\carLambo\FirstRun.class"
        3⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

    Filesize

    3KB

    MD5

    e702add63afef423543693d14ccf0a65

    SHA1

    07db36196b7c409f759983c9b336154c195008ea

    SHA256

    f504671e2eaef145bef1581edcb93326b8cdc8643fa2af462578bd7ac039b77f

    SHA512

    77ff8600745ade709db9a2face8634556eda6d8584ef793fba9321e456fa214a25cef2936d2ab6c254ef2be954b51437c2f5ce51e6c1465916f2427c88abe9d8