Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-09-2024 12:15

General

  • Target

    2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe

  • Size

    33KB

  • MD5

    ca5001140be8e1cff1bbe2db54d3ea2d

  • SHA1

    357a118d857692705f9172fc05da4b35a79dd15c

  • SHA256

    6ab5f324be6ee715f37aec3dd32ab39d0c3cf87193536f21ed2707fcaafad23b

  • SHA512

    669e64fa8993a9bf1e9c15e08d1a227c7b0c91ba1f316d3815b198681e2650f1ab66ffee7235fa39c939d8dbc79136a1078b2a5ad43abb10e823552f6fc49a41

  • SSDEEP

    384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXua3:bG74zYcgT/Ekd0ryfj2

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 WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_ca5001140be8e1cff1bbe2db54d3ea2d_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2720
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    34KB

    MD5

    2c390421053ada5b6977a2e4d7372692

    SHA1

    d69921a23d0ddbaf1ca341139060fbce46351c8b

    SHA256

    5690b98412c4433723752c076cadbcb215f161d2922364d3d7f3a00ebc7ff099

    SHA512

    6b4e010df3d1f09b04a7c3bddfea48524bf95a438817ad63345ecb23a88f40e36ff96621894dd6c7625bad7ba6c22d83bbe15ff822c27a97cbcf0f3df6bbb26e

  • memory/2720-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2720-2-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

    Filesize

    24KB

  • memory/2720-9-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2720-1-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2720-15-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2720-14-0x0000000001E60000-0x0000000001E6A000-memory.dmp

    Filesize

    40KB

  • memory/2776-18-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/2776-25-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2776-26-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB