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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/02/2024, 04:29

General

  • Target

    2024-02-25_14da3899acc2734e9ef400a8f29c89d9_cryptolocker.exe

  • Size

    90KB

  • MD5

    14da3899acc2734e9ef400a8f29c89d9

  • SHA1

    290be160939d0b6d0b54bdcca2db8ac8fd3f7248

  • SHA256

    0e220614ef7bd4a0bfe65eff0628da94baa421067bd847b355f6773cde4d4429

  • SHA512

    eeb32d526fd95128501271c55e357251e6001f91f262ce9957c89cd6ed4a897e2b401d25c24227aac7feafb2957492f6ebb71d1fd13c2adc814f8798946d0dc5

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwMgcf6:V6a+pOtEvwDpjtzT

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 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\2024-02-25_14da3899acc2734e9ef400a8f29c89d9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-25_14da3899acc2734e9ef400a8f29c89d9_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2032
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    91KB

    MD5

    0cf43e221ac505c3bf2e8361704f6ed9

    SHA1

    623151eb319ef7933f3989f4aa12f5bde23622a8

    SHA256

    ff20aa984ffd01ed2053616609bcbb3c73396e7db07de8a5fb878d05661ae284

    SHA512

    a500b6527f2ff9fcbafcc03cc25e01a1e663055337bbb35452389e0bc028943dd58f729467473771c4b4e3b74ca360e9e605545bc58394589f50a6fdf9c1b217

  • memory/2032-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2032-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2032-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB

  • memory/3052-15-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/3052-17-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB