Analysis

  • max time kernel
    103s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250619-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/07/2025, 05:54

General

  • Target

    2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex.exe

  • Size

    54KB

  • MD5

    7c961e3be1becd62603e8549a5820609

  • SHA1

    bd25a113fc9f210fbf676ca7e9024e12be9b7e25

  • SHA256

    dd0f3640a35cd329c37badd3ba6e4f00697c127f9e917205e5f9aa57e3aa2dca

  • SHA512

    8123770079b66ae8e66c61a19ac2b82287650c99aac35701a4a21266692cf8f02b015e3101812d864f0d03a25668b23357210ee2a0b83b85ff29704782b1dc0e

  • SSDEEP

    768:bdvJCYOOvbRPDTHgX0fZF+FYFAEF9wZGrwC/gFzpCYVx:bdvJCF+RXgKigACKGB/oFCSx

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-07-03_7c961e3be1becd62603e8549a5820609_cryptolocker_elex.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5272
    • C:\Users\Admin\AppData\Local\Temp\demka.exe
      "C:\Users\Admin\AppData\Local\Temp\demka.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4316

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\demka.exe

          Filesize

          54KB

          MD5

          8aaad8cde0513c78c45b1ba74b5a411c

          SHA1

          895dd6a623932bfd3d5c73c06c064ccd07301c1d

          SHA256

          22e8afa9cc44a1a616b462359f2b7a49267e8669468369380f93c11e7c2e3855

          SHA512

          e59b6faf3fa58056e42ddd4c96c46488e7269a9bcd35ba878c89cff92f6132710a69719061e346e816c154fd8061427d9f6d366509614811250454c8b6dbbb09

        • memory/4316-19-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

        • memory/4316-27-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

        • memory/5272-0-0x0000000000404000-0x0000000000405000-memory.dmp

          Filesize

          4KB

        • memory/5272-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

          Filesize

          24KB

        • memory/5272-2-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

        • memory/5272-3-0x0000000000400000-0x0000000000406000-memory.dmp

          Filesize

          24KB