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Analysis

  • max time kernel
    201s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    20/12/2023, 16:34

General

  • Target

    empyrean-main/builder/util/build.py

  • Size

    2KB

  • MD5

    b972c3bd98189fef3649132428a6b5d5

  • SHA1

    2f9a0e3bb364be7614062a716e97065df9d091c3

  • SHA256

    ae2d7a498db4f1ea8d4cf1f71a9a60e0379a8b6e287d2c8b7cd2262f45b2d88c

  • SHA512

    b9e9281168c684a8136f299e50293d2d0c0fc92c70ee482a7ed27f1340627c628c0347ab36ee33c72ace95595d2111ee103fbb1ead1e0dbe55a3e85dd2f644f8

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 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\build.py
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\empyrean-main\builder\util\build.py
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2888
      • 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\empyrean-main\builder\util\build.py"
        3⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:1944

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

    83227d455e8860549ebae164813df885

    SHA1

    df1eb15c63a47a6826bb5beb01b70398a3634ed0

    SHA256

    b9bf78123541da9ba3c97a842874c08e495f6c493e2a8a9935f53340c286b4e4

    SHA512

    1beb201c60f6baaec70a08290e49d4c895c8e1e316b1c92a529c5f5c62c406a42577820dcf7e9b064dd1de843a5a359008507042c864e9b3228fc392ef28fa38