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Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2024, 06:41

General

  • Target

    2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe

  • Size

    53KB

  • MD5

    da095cfae6085268cb381e9fbbdc2a13

  • SHA1

    af99c8bfac32cab482a533b11bc40092f7735aa1

  • SHA256

    2a4f0c716ffae196dd0fca95ee9f554ac8b51199ead033cee29edd0570a5b4da

  • SHA512

    2bf3dec4ee9413fd63db8479ba7a96abc75905b9aa7ef8e0f60a4322db0c37fada94141c191cac8714ba225b5b20f2af82aca4e705df5014ea9fe38a5f05cfc7

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV2LJ0X:X6QFElP6n+gJBMOtEvwDpjBtE1yILJ0X

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\2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-25_da095cfae6085268cb381e9fbbdc2a13_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2648

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    53KB

    MD5

    d180840da041dd5cbdba966622789ad9

    SHA1

    1393b3a8758766cdab402802dce6674713c98125

    SHA256

    64658a218584c918a1ec89c2d52a250af50d0acb05ea779341d796f21463ad4a

    SHA512

    8dcb8a54e47fd22beaa2fbccf01fe292624c51e1b288e4d16b3dc60ff90896ff6d52ccd57f3cca66d53043c7384bba0e1340de6a4f89703ce6b5e491eadb2604

  • memory/1740-1-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/1740-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/1740-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2648-22-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2648-15-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB