Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 07:48

General

  • Target

    2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe

  • Size

    52KB

  • MD5

    e39def1c84a7d2af2fa52e427015e3c7

  • SHA1

    64806f8f877184192ad6201f50309a52c27640d4

  • SHA256

    05654b58b60ca4b7f7dcad15251e0599ae914c61bf168a85355ed95d5adbf76b

  • SHA512

    c3a8d34d425220c29765751bf600e6f57fe20556dedd2e7324832e9cc5197e00db9d51ee2967e1ace49002e727518b0bafd89c5246a377981903e6d11636c8c3

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ntS:vj+jsMQMOtEvwDpj5HczerLO04BP

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\2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_e39def1c84a7d2af2fa52e427015e3c7_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3228
    • 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:3160

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    52KB

    MD5

    7e23c8a043f87b20a4078e5a4b733e87

    SHA1

    8d241e2694591b6e5966f2221a44ea6eaa31e4e4

    SHA256

    e92bc5f11b46f240e69e40001f0120c799a4aa0e968ec018169038efed97e637

    SHA512

    a50aef4d041b06b8fc216c42ee68e3e7827dd40fbeee54e004955d6d1fa3772782ecc2c90622f643ddaba2be6e4a3a5117bfd67afb87b8d14dfa4125b8b06de6

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3160-17-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/3160-18-0x0000000001F70000-0x0000000001F76000-memory.dmp

    Filesize

    24KB

  • memory/3228-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/3228-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/3228-2-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB