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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/06/2024, 21:29

General

  • Target

    2024-06-06_765fee9c9480f14a16f4957c0ac0a7c2_cryptolocker.exe

  • Size

    43KB

  • MD5

    765fee9c9480f14a16f4957c0ac0a7c2

  • SHA1

    c3491f2d3733baad27aa7757816e194501775ab0

  • SHA256

    8fa402e824670ae183cab0a5f8e4b7fca1fe18fdbb1970e862412e193a8fcef9

  • SHA512

    b7a2eb0f46cd5b4ce18b2e740f39ed70ef915f748f17473bc3b9e048736c7202bc7bbbf3d8819b4746bdfd5a155bd97781a1767bcad4c9a247c280c6fbdd0117

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnY1n9A:m5nkFNMOtEvwDpjG8hgpY19A

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 2 IoCs
  • Detects executables built or packed with MPress PE compressor 5 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\2024-06-06_765fee9c9480f14a16f4957c0ac0a7c2_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-06_765fee9c9480f14a16f4957c0ac0a7c2_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2736
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    79a7023236619cebac187511144b99f7

    SHA1

    c6b87f9e101f3f8191325669c27771fe2fe7a024

    SHA256

    c283daa9debf37fd9c8bacbef521d6ed793232dfc868c69606a3ea0f02ded8d1

    SHA512

    8bdc7c46d1e0958aeb2d0f344179adf053a89fa7bf80e8ca63965e69bdddc06dd96067daddaaec2b5bb05e27dc132e89937c72360d139858b0657c5d6d1869a5

  • memory/2340-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2340-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2340-26-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2340-27-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2736-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2736-1-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2736-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2736-8-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2736-13-0x0000000001DD0000-0x0000000001DDE000-memory.dmp

    Filesize

    56KB