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Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23/04/2024, 03:37

General

  • Target

    2024-04-23_57a2103c73f036c3c4cc34d097a097ef_cryptolocker.exe

  • Size

    38KB

  • MD5

    57a2103c73f036c3c4cc34d097a097ef

  • SHA1

    c60a35dd32ca735bdd5a827f9017f9b39112d21f

  • SHA256

    025429a2ca83224ae85ae0e29557826961d176d2a07b1df269dfd15df0cefe08

  • SHA512

    d5f1ae2a2abb422937800bc2b2f91e6147fb8b4f410c1f2c96faae1daab243435943e8c65e1fdf4d62c893c4faaf047a2e63458f46940def3c16f0697cd38719

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBjb1iIJSFlWvmv359:X6QFElP6n+gJQMOtEvwDpjBngHnZ3z

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-04-23_57a2103c73f036c3c4cc34d097a097ef_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-23_57a2103c73f036c3c4cc34d097a097ef_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    42fce37855b95cee0771a1b693141aeb

    SHA1

    d2de3ecffe44e292dd74164f52d02ad304df5107

    SHA256

    9274319fd8d032f381f4c4ccc83920d1b971d4104a8e4a627e83c1be6b606a77

    SHA512

    ff17ac7cd937aa13f61049c5c44568b1496b0eb75630f2a13e2c5b18b10f93e51c6c3dee2ba65ec50cdaa91a25275043d1e3710568f0c6afdc833d543f8b6bcf

  • memory/1808-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1808-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1808-8-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2704-15-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2704-17-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB