Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 19:27

General

  • Target

    20240521e10b73267a88f0c40a5bf5bc88141e40cryptolocker.exe

  • Size

    97KB

  • MD5

    e10b73267a88f0c40a5bf5bc88141e40

  • SHA1

    d7c94a82e3ed3eb9dbacb84890b66c116b82505f

  • SHA256

    539403e9436be76660d24864148f33496553e02b30effc4a4ff31d796962a946

  • SHA512

    599d63882f59c2eac4be669dd2b857dc3c384be908b769f33ca910b0fd11aea373a2ccc85520387106fe3b1076d5eadd6b744068392c086d10861a8c3122a836

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgp0WG:V6a+pOtEvwDpjtzJ

Score
7/10

Malware Config

Signatures

  • 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\20240521e10b73267a88f0c40a5bf5bc88141e40cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\20240521e10b73267a88f0c40a5bf5bc88141e40cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    97KB

    MD5

    d12910a8178aa804f123279b1f16fa9b

    SHA1

    2aaee1101d9b3acf0cd5c528f6ed40cf5da69744

    SHA256

    15940d67418b78ee68b269f004499e35764e7a15ea7b5231f7bc2a5ead73d1cb

    SHA512

    797613a13a40969b447c2e277083df0a2c2be3a08650dd990ec8454287aef288038573aa42738e4cc7e9bea63cee9e8b142c25316ae6597e22bf5efd031a4078

  • memory/2468-22-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2468-15-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2988-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2988-1-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2988-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB