Analysis

  • max time kernel
    92s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 03:35

General

  • Target

    2024-09-19_9d9fe7cae0cddf03850b680c8cf7dbbb_cryptolocker.exe

  • Size

    72KB

  • MD5

    9d9fe7cae0cddf03850b680c8cf7dbbb

  • SHA1

    b6c7337974716dfa172260107805922add813784

  • SHA256

    97957e6011592d490c0538bbad9aa97941c31c8c828777d218acd7e47ef98708

  • SHA512

    d86652009399b284f53b261acd6dbf32a37c62ae264e4aafdbc15cb619d6e2fd568374753d5a71a5889b496331245b63264a44e9a88b2108ec5df4f5592279ec

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/R7:vj+jsMQMOtEvwDpj5HZYTjipvF24D

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\2024-09-19_9d9fe7cae0cddf03850b680c8cf7dbbb_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_9d9fe7cae0cddf03850b680c8cf7dbbb_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2472
    • 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:4280

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    72KB

    MD5

    310ccc06c5092f667b728da1060a5a18

    SHA1

    950227a240ae62d2a156eaf723f13941aa34da32

    SHA256

    138094a85c1c373b5d06e807c4d298061159143141f1be7747aa76e8d988414f

    SHA512

    883dc427d26cde8cf39c41fed1e0a4dcd15451514feafb12ce71c288c33713583fbf66fb5aebffef8f985ee950af2ffa4d03fd0904e4b8c0c2741be8fca064e2

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2472-0-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/2472-1-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/2472-2-0x0000000000700000-0x0000000000706000-memory.dmp

    Filesize

    24KB

  • memory/4280-17-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/4280-18-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB