Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/11/2024, 03:26

General

  • Target

    2024-11-20_44fb9b0ce18d1347be43ff5e430dd711_cryptolocker.exe

  • Size

    64KB

  • MD5

    44fb9b0ce18d1347be43ff5e430dd711

  • SHA1

    fedef65e806bbf8069d8dc448c50e374e81af144

  • SHA256

    094cf7d3f338cd7ee7d9788078b24b1ff25651fe3d78cb9353722f9661992280

  • SHA512

    70981f035380c9717775db6c7c45f50a64692e47ba123905c2f3941fdb2b1600059d0fdb88e2df393f82bdc8dfcd655a82b76a2d36bdf538345edc61412dd171

  • SSDEEP

    1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnT5N:btng54SMLr+/AO/kIhfoKMHda/

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\2024-11-20_44fb9b0ce18d1347be43ff5e430dd711_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_44fb9b0ce18d1347be43ff5e430dd711_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2524
    • 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:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    64KB

    MD5

    d53c418dd9e9cc6fe275f1b0fbfb5bd2

    SHA1

    ff1b86c65033cdec5117c05994a2e0e982bd3380

    SHA256

    cfaf77167bac0dc236cff3a25fc0f67c1e057969be61a623e2f8ed43507ac3a1

    SHA512

    a253d7fda170bd10a38fab53c2f60b7982bca301de8079427519f3c77ee830b8a3139b0398136f95cf37e1fa72ad5e12147bce75eef9e26cc6cefdf681a5abd6

  • memory/2512-23-0x00000000003A0000-0x00000000003A6000-memory.dmp

    Filesize

    24KB

  • memory/2524-0-0x0000000000410000-0x0000000000416000-memory.dmp

    Filesize

    24KB

  • memory/2524-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/2524-1-0x0000000000410000-0x0000000000416000-memory.dmp

    Filesize

    24KB