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Analysis

  • max time kernel
    138s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 19:40

General

  • Target

    2024-10-17_ed900b804d8faaabe823f11f8b7bff2c_cryptolocker.exe

  • Size

    34KB

  • MD5

    ed900b804d8faaabe823f11f8b7bff2c

  • SHA1

    a4f217f4fc8e7f341a87b506ed2a22fbca7d6d0e

  • SHA256

    ccdb55e6e48a79e5607c4bf9c06a64736221e01d8265305fb58f2b1d9e4ffc72

  • SHA512

    29eb19a98ee7782e405da0b379d5528de88a664f6de708c1494dd0bf53a7c577acb949044124d84868bd6c5dc75c918a86fab3641198e006bccef13a52218543

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/UkR3:vj+jsMQMOtEvwDpj5HcS3

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\2024-10-17_ed900b804d8faaabe823f11f8b7bff2c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_ed900b804d8faaabe823f11f8b7bff2c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4260
    • 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:5092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    ecae09eccd092536a185c9b2910aa30f

    SHA1

    23537a9bc23b402db40efd1e1b524a464a32072e

    SHA256

    ccc7c03a57904c2c765cab01e1b49f6c4dbd4aeff5910d9ef8512e48593918e2

    SHA512

    6474aff0e4d41c4ac0c6014c266de3bcdaa1a37aefb06e6b4370c2201e441810e20865a8ec32209601c4deca2eccf8b715b39df32bc8dbbfd39fb51f2b69fdd2

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4260-0-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4260-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4260-2-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/5092-23-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/5092-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB