Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11-02-2025 17:35

General

  • Target

    Skramlekassens.exe

  • Size

    1.1MB

  • MD5

    35ee6e0d45ac82619b30c88ae3ac40fe

  • SHA1

    ae1c2d10f66c8cc4574643b40fb17d428b868aa5

  • SHA256

    6b11ef45fe61a72300142c891c2855febf4e3bac1b00104cf6dd10e6520a10c8

  • SHA512

    c2631034c0f3136aefae310335b4d41a42cc0be0d5e87e3fd10aaf0a50a9262584a0dbdf6aaeb33322a3d385f373d093613a23a1269b013f180abe3a0f91a093

  • SSDEEP

    24576:/V8oyndYnqJpB7Zj16wbfqiPACOedfHYNXNHA6:/V8BfJphZl/ACOdHA

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Skramlekassens.exe
    "C:\Users\Admin\AppData\Local\Temp\Skramlekassens.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1960 -s 488
      2⤵
      • Program crash
      PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsyCDCB.tmp\System.dll

    Filesize

    11KB

    MD5

    34442e1e0c2870341df55e1b7b3cccdc

    SHA1

    99b2fa21aead4b6ccd8ff2f6d3d3453a51d9c70c

    SHA256

    269d232712c86983336badb40b9e55e80052d8389ed095ebf9214964d43b6bb1

    SHA512

    4a8c57fb12997438b488b862f3fc9dc0f236e07bb47b2bce6053dcb03ac7ad171842f02ac749f02dda4719c681d186330524cd2953d33cb50854844e74b33d51