Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 05:22

General

  • Target

    2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker.exe

  • Size

    74KB

  • MD5

    47cab6f2c0e4d1d29203172259c924e1

  • SHA1

    5c827e5263cf85854c6e76e5e096e2a3c3a1db9f

  • SHA256

    868045b1eb3aa11dd01ad4e46d7b424782a717475b73abe046953cf583122270

  • SHA512

    19968fd8804dfe2fd3a5054db7670ea0c42274da0037e7668354d2110eb2c4e27de763058ce38e9b355e5460443ebc840674a61846dce08f84d5d1c5f32496f7

  • SSDEEP

    768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMsY:u6QFElP6n+gWMOtEvwDpjJGYQbY

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_47cab6f2c0e4d1d29203172259c924e1_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1068

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          74KB

          MD5

          d477449fe60aaca20454fa3b9ee9cc95

          SHA1

          3696fc2b42162cdac71cb43fe04c46f539ff5cc8

          SHA256

          a814e2acab4a8572dc9c0280f7f4cf3782028daf061bf025bb3f1151f41456e0

          SHA512

          31b40c535467b11b4540df0bf8369adc947da3f61dfc8a205c88c19dddb80530baf3758ab06f59f8a164317097875e091e8a5074f8c6b3ae87ff8f981aaa8d45

        • memory/1068-17-0x0000000000750000-0x0000000000756000-memory.dmp

          Filesize

          24KB

        • memory/1068-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/1436-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/1436-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/1436-8-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB