Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 06:23

General

  • Target

    2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe

  • Size

    75KB

  • MD5

    05824e98d8c1bf5d5f7269a834e3e3bd

  • SHA1

    caee442449876b580ffc23df5654fc7edcc3bb4a

  • SHA256

    1dbf83425996589fd51f5311576cc98369c5e02c707767788faf45a68dc26e6f

  • SHA512

    5ba361931879bed1569dd79243397e28374c5a7069ad110400c6f74df873c31527f43d753328f2bff23a20229e2aa0bf8cda573ae850d04525f3be2a5f7ac6db

  • SSDEEP

    768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zf:9Uj+AIMOtEvwDpjLizbR9Xwzf

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 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-02_05824e98d8c1bf5d5f7269a834e3e3bd_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1636
    • 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:2344

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    75KB

    MD5

    d4922828aebddeebcfcf660e68f62a27

    SHA1

    60f78b5d580eecad51468ca0a5e6b124b15e75ca

    SHA256

    22f48796bb101c76de9bd91c5ed3b84675eea8f4d66ca4d62a8beb1f5f297067

    SHA512

    ed48c6654e6cb73174af5560df67fed3e045560cf19149c26b1e5d5457f74fee7de864a084cd1e26aa2b52049a1c4146204e94accf04e71ee4bfe0978d84a874

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1636-0-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/1636-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/1636-2-0x0000000000540000-0x0000000000546000-memory.dmp

    Filesize

    24KB

  • memory/2344-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/2344-18-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB