Analysis

  • max time kernel
    0s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    09-01-2024 06:45

General

  • Target

    2024-01-08_9ef372e2ee027e8a41c92bdcba3d2ba6_cryptolocker.exe

  • Size

    57KB

  • MD5

    9ef372e2ee027e8a41c92bdcba3d2ba6

  • SHA1

    505b6153c0580dae26fc547ac1b3f9767d441108

  • SHA256

    bcca5bdfcd6d80e0c861e1eb5880ca940a9744f27d51bb92942f692d90b5efff

  • SHA512

    e0b053f283c661a0babdfd417381fe6cc74dc640c5aa2c2a9412d626b14c00a8ca9bf3998704ba390a1acfce42297064d27a74e6fb8902b67db167d556fd5081

  • SSDEEP

    1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/5:X6a+SOtEvwDpjBrOx

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\2024-01-08_9ef372e2ee027e8a41c92bdcba3d2ba6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-08_9ef372e2ee027e8a41c92bdcba3d2ba6_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2192

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    26KB

    MD5

    90fee2fefeb828c949a72f6ea7398122

    SHA1

    a8054e34e76195d55bf76faf80cc6f6f56c16f38

    SHA256

    697dd0d76c2a49d21a5988ed09f070a58c3b5d960fbc8e0aad3350625d99a873

    SHA512

    b52cc5a13d4ffa0f3d87673621d6b7a81a5c42c76f662be396dc712dfc148a952e2c7ba882041668282c48eda1d62d156938902219fc6854e5f11c9b337bbf12

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

    Filesize

    9KB

    MD5

    fdccc1fddbd5fe5ff3734cb51ce299ec

    SHA1

    0cf28bcd3a3abce8d05403cbc4e4b6ae11c75e49

    SHA256

    7bff4e04c9165ac957560f98b355e129d69649cd75bc1a3a1b3239001c98c2d8

    SHA512

    2a33e2bc39b5faad5a84f8ee065b779a6b8cbaeaeac331b6a4e7db71488619646697344bf225f5b02340014ad1ea0ac79901d124195f4e1bfa033fd5a36d09be

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

    Filesize

    5KB

    MD5

    019727a3d1b124bb0300c5126ff5b33b

    SHA1

    dcfb398e808d8b907ba89a5aaccbfa6c500c15e4

    SHA256

    f185e7faafe2d67c668e7110a8f7ad343cc0ff6c347f04b2ee7288dd12d8831a

    SHA512

    f88d22d5971242d85f74fd3e99eda1018a1cb317171de0402902e810bb5ef5e0b7e4ec36a631dd1ba761fe566a75ee91779261417c66a05e115c790a32bd0f45

  • memory/2192-15-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2192-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2628-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2628-1-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2628-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB