Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 03:26

General

  • Target

    2024-11-20_4e1746924c53eaebda7c94e12f341d0c_cryptolocker.exe

  • Size

    32KB

  • MD5

    4e1746924c53eaebda7c94e12f341d0c

  • SHA1

    3d49ec91862500f11f03f769781639ed40d1094c

  • SHA256

    7aae46c25c74d4e8707bef2181a14c5faac4b2bae5eeeaedbd6d55ddb12537f7

  • SHA512

    55f1c8233bda6357353f3d65fbe4ee10f72c39c91582f3b304db57b706380f80731d535cb327578e52c093eb6d17993197f40e0298cb7f8a0a9349d5f6a88610

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjB9iNL3:X6QFElP6n+gJQMOtEvwDpjBG

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\2024-11-20_4e1746924c53eaebda7c94e12f341d0c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_4e1746924c53eaebda7c94e12f341d0c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:312
    • 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:1132

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    aea10877b2dd005fffa4596dcc6f8c4c

    SHA1

    be68120497d87f0090cd49baa3d7ef88a9b3b1db

    SHA256

    26192a8038982182c49cd1646f41044ad570e4c6ce133e1edce385556dc7c648

    SHA512

    fa08f9107c0896415dda7601e3901b3268c8edadca14d472417afbda3e13290822f420b723cb5388e63a88f5284af5779193da795b82d3e73c76034b53970b69

  • memory/312-0-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/312-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/312-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/1132-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/1132-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB