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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28/05/2024, 15:36

General

  • Target

    2024-05-28_81d81899174c5e9e5ff959ac5fbc1006_cryptolocker.exe

  • Size

    54KB

  • MD5

    81d81899174c5e9e5ff959ac5fbc1006

  • SHA1

    27a02e9db7d794948a893dea3a9b6e4d8be49d2a

  • SHA256

    3130faef8b360eb2f7a387465f8038cc30eaefbd0a868e654b2900b1b61e39af

  • SHA512

    27327b7cd6988f12b7c64606806de39846864d5630feee70074b3afcca398aa4e3a8f2b9c74202ca418ce6c13be0b99484debd309f87f0ac450c030a4ae29041

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTI4:X6QFElP6n+gJBMOtEvwDpjBtExmlT

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\2024-05-28_81d81899174c5e9e5ff959ac5fbc1006_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-28_81d81899174c5e9e5ff959ac5fbc1006_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    54KB

    MD5

    f261000c9cf3c6d5d459dc26ad5af4ce

    SHA1

    592af5491de7b576a57e22e782410fa9234949dc

    SHA256

    6977735ee979fdc0c211e33735a11a5a8fc109aefaf144cfee57421061cd847c

    SHA512

    8f6edb202fbfbb81747a7a217eb27e498609a3e1fe4a328f1af0b3b41494bb0f382d08c136038f1830502e64b7916eb721991c3f65408738e269837157bccb1c

  • memory/1712-22-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/1712-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2264-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2264-1-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2264-7-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB