Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 08:29

General

  • Target

    2024-10-18_9330e795ec10b42efc6f1760b0bc4391_cryptolocker.exe

  • Size

    51KB

  • MD5

    9330e795ec10b42efc6f1760b0bc4391

  • SHA1

    3b5dbe74466721b2dd2917ecccd86b0407d7d82c

  • SHA256

    edf4e89d359efc84a5e38ab68c331ddaf19b7cb50180e2a23cabe7133598ba66

  • SHA512

    8a555baa070dfcf2d0588ba52544e955b1c29858d73c63efcc9b5f7d1a4ab8ac86301004566dcf0585727b511c39fb87a754d8500ed3908cb4be357b70e2d85a

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QC:6j+1NMOtEvwDpjr8oxEC

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\2024-10-18_9330e795ec10b42efc6f1760b0bc4391_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-18_9330e795ec10b42efc6f1760b0bc4391_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4336
    • 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:2084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    51KB

    MD5

    0b8bf4290ce2643739be7d14279e3f05

    SHA1

    09ecf70af6e830e0006c9dbcf63a9e18dc13b9c4

    SHA256

    4820575652bc006008fe744fdde6ecc9ad7a51f8e66381c8f5978ca3d8d82125

    SHA512

    406066d06ce587d573bef5707c5c72aa3579982c46528b0550deb5d5b64c2c57214d46b81c0b3aff021642b4aa5403aa88dfffe8a0aa20a032dd4b39835b8041

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2084-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2084-21-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2084-20-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2084-49-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4336-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4336-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4336-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4336-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4336-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB