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Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 02:58

General

  • Target

    2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe

  • Size

    36KB

  • MD5

    910a06f683042b87b138c588366c796a

  • SHA1

    89ac2b3686b1a5e3d5628e62e1d4c84e02a69430

  • SHA256

    fd7827f30a8ecd865583ebb5df0a1436c3c39be96f57c84aab91d979ad1fbee0

  • SHA512

    972ae68cf2ba06281f0fb4cc49034e4642c232e36f4754af629e82f2d742f06b900e802b703bc3568639eda0d075ef15b932b16ab0cb86330ede032d893070d0

  • SSDEEP

    384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjbQ36ttTr:btB9g/WItCSsAGjX7r3BGub8Q

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_910a06f683042b87b138c588366c796a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Users\Admin\AppData\Local\Temp\gewos.exe
      "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    92fa0f34a2305a3dc377085dd51c93c2

    SHA1

    66eee666f24321d957df3332fc3be276710623ab

    SHA256

    005ee4d99e0477d4262112802c20b1274b8a2f0b160a5b635e58e4da83e693f0

    SHA512

    2240f57ba85af4b7769426d98899a7c243eb3adf403c12776d628a788f99073ddc9b5735a667de1d87bed735e623ff2f3d1bc552eacd51676ee5f9283213b476

  • memory/636-0-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/636-1-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/636-2-0x0000000000400000-0x0000000000406000-memory.dmp

    Filesize

    24KB

  • memory/4640-25-0x0000000002200000-0x0000000002206000-memory.dmp

    Filesize

    24KB