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Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23/02/2024, 21:01

General

  • Target

    2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe

  • Size

    38KB

  • MD5

    fdd37eba78945d743b2d99c05771c878

  • SHA1

    d3f8aa296086aaaad77e7019fdd99e824cbc31b2

  • SHA256

    04725c6c27392120e0f973fed104c049f6a07fa4ec5ca7836d7fc1323af42458

  • SHA512

    ffe1fd6493e17f0d36c8cf790705a71b4ce241c0239a8d37d1b6f89e281994bb5c7112fccd8176b565b7d2c7e79b29ee2032a9470ceb21c4848f11498b5cb45f

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLen7n+1:ZzFbxmLPWQMOtEvwDpjLeu

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\2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-23_fdd37eba78945d743b2d99c05771c878_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2248
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    6fc244d59795d60677deb2dc98d90903

    SHA1

    a1230c768d43f56ac24eda04c9d6a4e56d497ce0

    SHA256

    c31661d5fcfefda9c74131abfe741890541ad92061ed15abc951fda0e936c976

    SHA512

    81527bf32e6d1db11c89ba944d368f8ee2e16cba845709791cba835cb36a2b8986a532c251012f8ea22038d8030a5f7ec525272b879cf144a8a428dcd161c12b

  • memory/2248-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2248-0-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2248-8-0x0000000000230000-0x00000000002B0000-memory.dmp

    Filesize

    512KB

  • memory/2248-9-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2580-16-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2580-20-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB