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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    11/05/2024, 16:53

General

  • Target

    2024-05-11_adf852bf676a6eb47a48b22b6b13a46e_cryptolocker.exe

  • Size

    41KB

  • MD5

    adf852bf676a6eb47a48b22b6b13a46e

  • SHA1

    8e9566ae6f05ae90150a97424f4ebb2b0d8dee81

  • SHA256

    56d486ef38a4252955717cdad509bfea6537610c53114bbd1a7f3b7980c45450

  • SHA512

    3f111cb633d326331800b635d55a8dc3afbc2fb4fa1269647288150cb50aec105292ccba754969171ac54e4dfbe471803dce336e395e521c9afacc2cb30bc6fd

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDb7xZ:ZzFbxmLPWQMOtEvwDpjLeJAsKcb7/

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 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\2024-05-11_adf852bf676a6eb47a48b22b6b13a46e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-11_adf852bf676a6eb47a48b22b6b13a46e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    2fcd12f6f713f157629a3ba380ff3862

    SHA1

    e1839aeecc1d6f1b7843198f171a31adb0caecdf

    SHA256

    9649bb903bbdbfe43ab2352a9268a4997d87a321ee1eca1fcab9d912f4e0a642

    SHA512

    1721f2cd7e3f839f0ad45db2fd24e52c6562d820d47fc46677d2957531141e96a05db82c38c815e3070680d69e9bb4a5ea73d1c492ead66bcc596fc87edb0154

  • memory/2068-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2068-0-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2068-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2068-8-0x0000000000230000-0x0000000000236000-memory.dmp

    Filesize

    24KB

  • memory/3000-16-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/3000-24-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/3000-23-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB