Analysis

  • max time kernel
    149s
  • max time network
    145s
  • 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, 03:33

General

  • Target

    2024-11-20_941e72bc1f1e0e3c5d74d98211376956_cryptolocker.exe

  • Size

    32KB

  • MD5

    941e72bc1f1e0e3c5d74d98211376956

  • SHA1

    7a7c6c378166b6ed3dad9d2df78b434d4bda5620

  • SHA256

    9332e77eb48770745d11aceba93bc5c63cd6f8b6d39ba36746f10f1d92c26429

  • SHA512

    bb58e9ebb36e36161dd9fb9b7d27863286c9f9a4c88225ec15d59fb59555b2248e46b5621bf29bf18f23ada3df2157939c99001038446f84b6001950626b4519

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjB9iNLY:X6QFElP6n+gJQMOtEvwDpjBN

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_941e72bc1f1e0e3c5d74d98211376956_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_941e72bc1f1e0e3c5d74d98211376956_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4564
    • 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:2776

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    32KB

    MD5

    b04eb2bc45ac7bdef9387521852f98f0

    SHA1

    a8d3a29249ae0b31b3b38088809e0ba51f96924a

    SHA256

    de1a3cd7e40b7248b32b0a03245a56620ad0ad2e598a7fbe38ea2f6aa5d172f4

    SHA512

    76ced1ba7f903143027889bd4ca44339e9770a1dfdf74b1343161da9a2a9b0dcb526ba829669128336a5c5991e68fef86bf19808fc0c234a76da3166dea01e4c

  • memory/2776-17-0x00000000020F0000-0x00000000020F6000-memory.dmp

    Filesize

    24KB

  • memory/2776-23-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4564-0-0x0000000000800000-0x0000000000806000-memory.dmp

    Filesize

    24KB

  • memory/4564-1-0x0000000000800000-0x0000000000806000-memory.dmp

    Filesize

    24KB

  • memory/4564-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB