Analysis

  • max time kernel
    94s
  • 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
    06/10/2024, 01:30

General

  • Target

    2024-10-06_ff1032634dc06ae39ea1be703bf02c3c_cryptolocker.exe

  • Size

    82KB

  • MD5

    ff1032634dc06ae39ea1be703bf02c3c

  • SHA1

    7f6fbc7bdc7efb66b78d2877a4ada04b13efd54b

  • SHA256

    160e4fbb5b6d6029976345cc6d9fe5d82be3c549e9dbb1f85eb1242bc7b5379e

  • SHA512

    1420458395be086e600102b9db2ad5fa99aef3e94595b016dd04f0c68295af43395a4908ef243a3e9ccf05e8631a6e1ab6c2e9de81370234659457fca3e39340

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvt:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8t

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\2024-10-06_ff1032634dc06ae39ea1be703bf02c3c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-06_ff1032634dc06ae39ea1be703bf02c3c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3104
    • 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:4996

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          82KB

          MD5

          ae1110d67615e0222f51b9571224517c

          SHA1

          84e32dc5319cd460e4372b696b33561aac6f5340

          SHA256

          f767fe1c634fdef118d8be85e672d29aaa6bd0950a61f77a8bf1f1163d688398

          SHA512

          ed5981fbb5c47d245725c4318ea3904ad0f489fac8b4295b67f2ddf8db56027b8d28f01306dea3960fead503492a922586350201f7fb455d99a024527be34836

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/3104-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/3104-1-0x0000000000690000-0x0000000000696000-memory.dmp

          Filesize

          24KB

        • memory/3104-2-0x0000000000690000-0x0000000000696000-memory.dmp

          Filesize

          24KB

        • memory/3104-3-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/3104-18-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/4996-21-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/4996-20-0x00000000004C0000-0x00000000004C6000-memory.dmp

          Filesize

          24KB

        • memory/4996-49-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB