Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2025, 20:51

General

  • Target

    .doorstop_version

  • Size

    5B

  • MD5

    c9e4dc50b8d6ed20385fdca95873b3a5

  • SHA1

    dcd56eaf2c48d9211abe80a49ca88a31709c7e78

  • SHA256

    2744735fee2ee237e29f592f88ab669dc8d478fca31e6da4caf9a4a1b3abb7f1

  • SHA512

    80cbdcc7a0d4a5808e5f39ae0e53d7b7c8f5a2238ef303beacfca9fbf459d73f2ab7ea09e2c1d8c4f43c58f65cb4b7bdee5f41f76ae71432ca4f3e72fd697ce6

Score
3/10

Malware Config

Signatures

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\.doorstop_version
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\.doorstop_version
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2428
      • 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\.doorstop_version"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2808

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          3KB

          MD5

          ed3f08d40043cd790176fa96b5771e89

          SHA1

          b7ceb35786cb89916564ca8b7c6824710709ff6d

          SHA256

          9267f9181cf2495554f282894114585b863650ec9490f3bb232374d89e06ab74

          SHA512

          7a46f13e353b93fa45422056701e68b816896f071da90eddfaecf8760a9ba308cbebc76ae1ea7dd6eed03c0ab42f61c2584336bac55d1c95f7b354c1ac9cf601