Analysis

  • max time kernel
    151s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    30/03/2025, 20:53

General

  • Target

    custom_Suiika_V1_03/Custom_Suiika_V1_03_4k/Expressions/Horns Small.exp3.json

  • Size

    165B

  • MD5

    6c50d9aa1795f87f038d1b36e4de6fab

  • SHA1

    b32c3a528026bec5bdc63e22140778695682f9b9

  • SHA256

    ba8f1733feb6643c7cd8c1df18d0ee53c4056820c84fcbc68ab8f4d1487ed08e

  • SHA512

    4ca5920c1d31a3632a774f2791b20b560d14415410809b2c7cf581565393d8258fad86612a38fd1524a478cb06cc196ac1296a539492bb9c95b2c1d1fdab7072

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\custom_Suiika_V1_03\Custom_Suiika_V1_03_4k\Expressions\Horns Small.exp3.json"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\custom_Suiika_V1_03\Custom_Suiika_V1_03_4k\Expressions\Horns Small.exp3.json
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2748
      • 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\custom_Suiika_V1_03\Custom_Suiika_V1_03_4k\Expressions\Horns Small.exp3.json"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    3KB

    MD5

    da79d07318396030191292849db5ecd0

    SHA1

    ff2065cb5931e2c95b6bcc58477ad4ceaf9c1cd3

    SHA256

    3640fb619c4e8a5ed6580b8ed2f6f77af8f4427312acc4594de8fb722a9cf85c

    SHA512

    db1397effe130b7d1bdc9828867a647afed4064aaffa40db2cbc7c8f07145577ebf624ecec9ed06b931949ddf74e9b0fda2779382a3e240b4a30db6a28e16f5a