Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 06:22

General

  • Target

    2024-10-01_0bf857c7792fd014db3d3ff07213b055_cryptolocker.exe

  • Size

    49KB

  • MD5

    0bf857c7792fd014db3d3ff07213b055

  • SHA1

    8c98d13c103d9680d5ee7d0091384fb2279c4c6a

  • SHA256

    c193148c3ace5d4c88633ed0278e5a434dcf1445115449a50e3f6ce5faca13dd

  • SHA512

    ace26a90a4734f619db431c5cd9355743c2234c773496049431ea538a1cfb4070cebf8dde025befaeabac5e418b45615fb4299c1feead333554fb1513f44df4f

  • SSDEEP

    768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkc1:P6Q0ElP6G+gJQMOtEvwDpjB8WMlf1

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\2024-10-01_0bf857c7792fd014db3d3ff07213b055_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-01_0bf857c7792fd014db3d3ff07213b055_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3464
    • 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:3940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    cdefcd44eba4dcef5fc881770cac8d12

    SHA1

    fbb7b272c5802e148caecde603cdb6f8073c044e

    SHA256

    dd391ab9614384daac99cef4f615464a00422b64e7d862a1f6aafb0997119d6e

    SHA512

    3a677fd80140aceebd09424fd97db88f560704675c6bb076b2162b26f9e111f62c64bc564c6f7548defed1ea478751594bb557d8c18735151761bf118667ad74

  • memory/3464-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3464-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3464-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3464-3-0x0000000000890000-0x0000000000896000-memory.dmp

    Filesize

    24KB

  • memory/3464-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3940-19-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/3940-20-0x00000000020F0000-0x00000000020F6000-memory.dmp

    Filesize

    24KB

  • memory/3940-26-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB