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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    11/05/2024, 05:51

General

  • Target

    2024-05-11_7244ebb80d88ebddbf50103f9b65af3e_cryptolocker.exe

  • Size

    56KB

  • MD5

    7244ebb80d88ebddbf50103f9b65af3e

  • SHA1

    c32f5d1d57e2dc4b1c19158efe2f8ff669d70761

  • SHA256

    2882de750fd447057c0d54e691177ae57662f2c52fb39643f630777a68e7a0ed

  • SHA512

    dce6d474b3c843347d64aa58b0cc42294a6fdddcae00168e9c16b085471f283c5960fb99e4c0d2719e2ee25d5456e26602162ada8d1c0cdc205d29b6cf7197da

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QJz7/e6M:6j+1NMOtEvwDpjr8oxExe6M

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 6 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\2024-05-11_7244ebb80d88ebddbf50103f9b65af3e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-11_7244ebb80d88ebddbf50103f9b65af3e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    57KB

    MD5

    f4718b88fc7420baabd9c7059f04df96

    SHA1

    d5ec8b83b945141d9d1eaf5ce13615539fbf570f

    SHA256

    09e139eed31bd203712d3406126fb8f15f30889e92654cab4922a9a9101a490a

    SHA512

    a08047733e93a1dec8c442f3405d7bdba8078941c5ae8b6ec4b9bad82ef1bc66594074f3938cde589da4b5783126a508c36343b7aaaec05036529139032bc84c

  • memory/2124-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2124-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2208-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2208-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2208-2-0x0000000000380000-0x0000000000386000-memory.dmp

    Filesize

    24KB

  • memory/2208-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2208-13-0x0000000002BC0000-0x0000000002BCF000-memory.dmp

    Filesize

    60KB

  • memory/2208-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB