Analysis

  • max time kernel
    150s
  • max time network
    142s
  • 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 Big.exp3.json

  • Size

    165B

  • MD5

    179319252a78b864f47b07d8a3b59203

  • SHA1

    2b5cf76e23875131fc75403c948fa4979ac9e8ef

  • SHA256

    f4903727d4edb98873656802196cf2721ad345962b80dc03e8b09a187920c3f7

  • SHA512

    32b87173c4b4e94e935a26dcb677d343d9e71b714f6975296590467207463dddc4aafc9cb1ab5b64aa4bb2965d9f74bf2c7801d854baa2d4080ea8b937296675

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 Big.exp3.json"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2664
    • 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 Big.exp3.json
      2⤵
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2792
      • 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 Big.exp3.json"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2636

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

    59bbf02c6bea605f43caf81511eee9c3

    SHA1

    d947e432477be411f341e21ccb58383d39860c77

    SHA256

    cedcec51957ca82e91f07084378b0b3566f3c57a60020f95e88878b501ba0d6b

    SHA512

    9f9981abb0529a514cf8fd4ffd7a44f7e7fa964af35871b29fc7e837de0b1b27d5aa4895d69a11b84370e3ee6f52c17929d89ace138210e5bae8036a7617759d