Analysis

  • max time kernel
    93s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 06:23

General

  • Target

    2024-10-05_0f09b68446c43607fe27967c3cd46d83_cryptolocker.exe

  • Size

    72KB

  • MD5

    0f09b68446c43607fe27967c3cd46d83

  • SHA1

    0b0107f88acbf4e10fc579239b91ce7c571e86be

  • SHA256

    b48506da8eb4232b22774c098c5659d889764c21d5dd283dd84befdf57e0b6d6

  • SHA512

    abeb5ee764c69e7207d00e5ec6c7c1d36b41485a14ea8f094a22369e954d67bde2b093ca626c642753e72121e11eaeae969b01b8073c2136aa8b2dfeef8999a2

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/RI:vj+jsMQMOtEvwDpj5HZYTjipvF24g

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\2024-10-05_0f09b68446c43607fe27967c3cd46d83_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-05_0f09b68446c43607fe27967c3cd46d83_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5020
    • 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:5000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    72KB

    MD5

    941ae4c1f29458243545b0399fd2b314

    SHA1

    f71c9f3363e0c5062bc0f6eb4a93c783adf9c757

    SHA256

    78e3b51aa8126d46773e22b9eb8191366610415e802e96b7993d8ebc74050dd9

    SHA512

    720c1f5ea0f88fd6b56bf7044e2455e830d2e330303b960664e7039bdda5a8f93b46755a3ec6186cb7de480d7a7fe16bfcf1c767501f35623d01fd4e15e9c1c4

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/5000-17-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/5000-18-0x0000000000760000-0x0000000000766000-memory.dmp

    Filesize

    24KB

  • memory/5020-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/5020-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/5020-2-0x0000000000890000-0x0000000000896000-memory.dmp

    Filesize

    24KB