Analysis

  • max time kernel
    148s
  • max time network
    149s
  • 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, 04:52

General

  • Target

    2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe

  • Size

    55KB

  • MD5

    f9322e07620194a53530679f2dcdb17c

  • SHA1

    6f4c3b0c40700ec9a1fe1a9b1465dfe8eb29127e

  • SHA256

    21abf344cc1cd46a54d65f5d1433ab5174ad6c206cc6d0536fc6acbd09bca3ae

  • SHA512

    5b47379a1512163b55da75fa4fd12962295d1f65d420ad451a61b94242f729ad7371687266b487262f8deb6ba5b535162b0aad5b17ea73745cf2034efcc80a4d

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIweL:X6QFElP6n+gJBMOtEvwDpjBtExmlsL

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\2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-06_f9322e07620194a53530679f2dcdb17c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:868

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          55KB

          MD5

          602fa215866525395be48a71b3bf80ee

          SHA1

          4d303d3227df5b7fe2a37850e03438c536c3a155

          SHA256

          9110dc55fa50a85e549a882e84c9b29122fe8aae97954e1689c215a1d410dc6c

          SHA512

          2ae1ca9f89cf78d6f102021e073cbe87ebcab4da2c57f4c6580df2436d1780618c8f61f452b94111167345f8428ceaaea3b12755fa122ec3ad61af97caa1dd19

        • memory/868-17-0x0000000000690000-0x0000000000696000-memory.dmp

          Filesize

          24KB

        • memory/868-18-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/4540-0-0x0000000002300000-0x0000000002306000-memory.dmp

          Filesize

          24KB

        • memory/4540-1-0x0000000002300000-0x0000000002306000-memory.dmp

          Filesize

          24KB

        • memory/4540-2-0x0000000002220000-0x0000000002226000-memory.dmp

          Filesize

          24KB