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Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 21:03

General

  • Target

    2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe

  • Size

    60KB

  • MD5

    dbd86559f81ca4467bda44a8eef801c8

  • SHA1

    cc6494c2d15eb684d1008aae878bf36e50d92993

  • SHA256

    2c8c2f531c188bf3e1f0a42a3628d22a044999e76a51e99e40a043ae1ffe2744

  • SHA512

    483de60b7ab6674e222e8857ded7e9a6eb7b71df00b0fe4aa4ebdb4de7390ed552960ba76d8bfd0dc75afd9c237cec60a703e6813ed31e8e4f7c63f2be007c56

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMm:TCjsIOtEvwDpj5HE/OUHnSM1

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 7 IoCs
  • Detection of Cryptolocker Samples 7 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\2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2436
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    00072a8ad65b08b9354ccb4384500023

    SHA1

    0d86778ffab0bd3e690d2ee76cf57516ed11c36a

    SHA256

    1046907ce9465d74be83ea0c17549dcd9e11deadc20f32b4d01740fd0a7e68e8

    SHA512

    96523642306600c55b1d2e573ea66cdce93201bd7dacc605350796cf81d7758a05d2772390f3940bec0265d584e2ebcb8d17c074c4094054151f8ddd9f42a38a

  • memory/2436-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2436-1-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2436-3-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2436-2-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2436-15-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2436-14-0x0000000002480000-0x000000000248E000-memory.dmp

    Filesize

    56KB

  • memory/2436-27-0x0000000002480000-0x000000000248E000-memory.dmp

    Filesize

    56KB

  • memory/2752-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2752-19-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2752-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2752-28-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB