Analysis

  • max time kernel
    0s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/01/2024, 05:51

General

  • Target

    2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe

  • Size

    45KB

  • MD5

    71babc413152fd46c09a7ef0cb4ecff8

  • SHA1

    9bf82a7d2fc88ebe8bd2d60e70c149e06a2a144a

  • SHA256

    c234f35702522e85baf0e3593d3a61d99a8db571b4c4f9ae2efb611a2cb75435

  • SHA512

    c56255470c8d8328050cd25301ed2a04e4abad4dbcae9efaa42f2d566612e2951f875d9e38eec4f8c3cd81b6aa21eb55c8217cfad66df629c78ccab683c77f73

  • SSDEEP

    768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hrP:bgGYcA/53GAA6y37nbrP

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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-10_71babc413152fd46c09a7ef0cb4ecff8_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4192
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    859eb5a14a575f7aa1ead0d057d9f6e3

    SHA1

    afdd73f0d4c7a9aef1b5bed71877d8dbf3bcfc5f

    SHA256

    edcb067064834d22a811acd620d56edd95637f2d7a80163558d94a56d98cae20

    SHA512

    c014380a3ec4a53751ed733b0e2e3349edaa4cf4f7df9624232b1aa55c73ad2bac51c3efd733cfa312603ddbfdff686743fde02143d16a995dcfac506f8c1ef5

  • memory/3044-23-0x0000000002120000-0x0000000002126000-memory.dmp

    Filesize

    24KB

  • memory/3044-17-0x0000000002150000-0x0000000002156000-memory.dmp

    Filesize

    24KB

  • memory/4192-2-0x0000000002400000-0x0000000002406000-memory.dmp

    Filesize

    24KB

  • memory/4192-1-0x0000000002250000-0x0000000002256000-memory.dmp

    Filesize

    24KB

  • memory/4192-0-0x0000000002250000-0x0000000002256000-memory.dmp

    Filesize

    24KB