Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 04:37

General

  • Target

    2024-10-09_51022e25e4872bfbaf2013e82624dfbc_cryptolocker.exe

  • Size

    53KB

  • MD5

    51022e25e4872bfbaf2013e82624dfbc

  • SHA1

    4cf76463ac7a6da2526e17f77d7f2c221bb6c0eb

  • SHA256

    493225382996fd09e3392fddc3d2d702776e9dcd474c7863c0e98a58a2d11231

  • SHA512

    7b43515a83c46c8059c45af73d675965d7b509c418b2b247a1c7bdb03876a16a53859a87585de8eaebee9f8fe73765b3203214293668e1d6b3551c7151c21172

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJYwo:ZVxkGOtEvwDpjcd

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\2024-10-09_51022e25e4872bfbaf2013e82624dfbc_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_51022e25e4872bfbaf2013e82624dfbc_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2028
    • 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:4896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    54KB

    MD5

    bb5c62afde3731852dc84c03570535f2

    SHA1

    e7528600b068b26946641e3776483b12eee8714c

    SHA256

    f6a1039e8af24b0eedf2bbd01c4eb2cbe76af68f92bdd4d0fcc1bfc21f460e11

    SHA512

    db58e52f218848c1f28aa33ca3e999d233bf06a467c5d54c13353bfaad64c11119c39e873be98e4e3d669054ac463c88aabe9ee43ab5cb90858b5b71d6168419

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2028-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/2028-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/2028-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/2028-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/2028-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/4896-19-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/4896-20-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB