Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/10/2024, 02:40

General

  • Target

    2024-10-06_6e3f9263a7ab4f3de2bebf498caf17cb_cryptolocker.exe

  • Size

    61KB

  • MD5

    6e3f9263a7ab4f3de2bebf498caf17cb

  • SHA1

    a97caf0aa23af07c4569e921ce576725a10a2579

  • SHA256

    16b0336c751e02c2e91badf9d25206ca7ad29eafde41bbc87ea4d9ad65e5c7b7

  • SHA512

    877f6b9edd00cc243fda528a128c90692c318118e20f6093552342d81e9427813eed6b44fc731dbb87514e11477e29ef94ad3d800a11b1dd85257a8af2a6bc0f

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7Mz6+L:xj+VGMOtEvwDpjubwQEl4

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.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-06_6e3f9263a7ab4f3de2bebf498caf17cb_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-06_6e3f9263a7ab4f3de2bebf498caf17cb_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4616
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    61KB

    MD5

    278ee1cedf5bf8d2f95db6386e62ffe0

    SHA1

    d0b3485e6b03c31cccd9e1d3247cb1f06f93f79b

    SHA256

    e2f3298edd77e58737a6e26a730914411ef337f585d94b3ffa016b233fd176f9

    SHA512

    0f9336d5465a2384bcc4a53e6981b7cdd0192fb2827e6c18dc5eb41744fc48b1307191b80f81a4f866fcaa114c63c75c7a216d1f3aa3ea5c5636995ef885fc1f

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1180-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/1180-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/1180-48-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4616-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/4616-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/4616-2-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/4616-3-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB

  • memory/4616-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB