Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 02:28

General

  • Target

    2024-09-09_13c1d900a30697be9686d5e146b6bbfd_cryptolocker.exe

  • Size

    64KB

  • MD5

    13c1d900a30697be9686d5e146b6bbfd

  • SHA1

    ae5b24e139e7465c39573030e236b1de674a0544

  • SHA256

    1386ddbe8b60a6988d6fbed098ff21db9782114b392e5e81552fc2f8178b8deb

  • SHA512

    901377e5d84527ee9152804f2488daa45bc6a34e664cdb1db5dcd5e36859b752ad5cd369d0db9b9f426e75e6148f8e51f21bfbdbe21d209a010d0bd080f2f28f

  • SSDEEP

    1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnTc:btng54SMLr+/AO/kIhfoKMHdag

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-09_13c1d900a30697be9686d5e146b6bbfd_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-09_13c1d900a30697be9686d5e146b6bbfd_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of UnmapMainImage
      PID:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\gewos.exe

    Filesize

    64KB

    MD5

    044cf122fb945359236b46e4ab43113d

    SHA1

    4f09b2d69c7efd6b4c6c83e559fdf1c746bd8b23

    SHA256

    3c3cc85204b52073ba1f1d20c64ad1f32a9b36a209dee48274424593efa5a615

    SHA512

    c47add44216a276005df148860af69ff28692f6e245e5c00a41348ee37ec589b9f2f5bd828c50ee963c564e7009b691e56eeaa30ca30b75d70b1a846b2d9139b

  • memory/2620-23-0x0000000000350000-0x0000000000356000-memory.dmp

    Filesize

    24KB

  • memory/3000-0-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/3000-7-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/3000-1-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB