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Analysis

  • max time kernel
    147s
  • max time network
    166s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14/03/2024, 06:10

General

  • Target

    2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe

  • Size

    5.5MB

  • MD5

    f5d07a6fe867476e0fa191cb58871661

  • SHA1

    0fdc4797214a9a5fed3edd45c28475f95df06482

  • SHA256

    eb27a88f8463de21738a4b1e624b9fd0c882f7d9207cb1346e6297960cfb0cae

  • SHA512

    d44c29dcf7ec70aad03e6be199d2e58106852bf94c427ad1176a629bc14b26d332f94f2ac594e4d8ca9a890411cb4f0d7b60845da8c283a16d16e30fddce7225

  • SSDEEP

    98304:tGiPCjI9nGdFD8nBHm/lOs4HucAmD/YpJJRsH9KsUbIP8Z/AzdKfeT1:fP7aa3uzmD/IJR09KbMPkT01

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 8 IoCs
  • Detection of Cryptolocker Samples 6 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-14_f5d07a6fe867476e0fa191cb58871661_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    5.5MB

    MD5

    153e0185950bb9397962335f94a6b43b

    SHA1

    a06aceabf5e00eb32e7ed515a3b28ba9111f1e21

    SHA256

    678b4326fb6356bad35a32a16af6799208a6e80fb951c7ae5f90f636f1814f6e

    SHA512

    421a89664f8d098a859017088289ccc032e0d3f4d0865333f80b653550dd4a73662760f62150b317ca096332bc47934b11c8bd148b7dc2f86f5a4d721b151c23

  • memory/2652-32-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2652-27-0x0000000000500000-0x0000000000D88000-memory.dmp

    Filesize

    8.5MB

  • memory/2652-43-0x0000000000500000-0x0000000000D88000-memory.dmp

    Filesize

    8.5MB

  • memory/2652-39-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2652-36-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/2652-34-0x00000000774F0000-0x00000000774F1000-memory.dmp

    Filesize

    4KB

  • memory/2652-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2652-30-0x0000000000500000-0x0000000000D88000-memory.dmp

    Filesize

    8.5MB

  • memory/2992-8-0x00000000774F0000-0x00000000774F1000-memory.dmp

    Filesize

    4KB

  • memory/2992-24-0x0000000000500000-0x0000000000D88000-memory.dmp

    Filesize

    8.5MB

  • memory/2992-4-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2992-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2992-12-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB

  • memory/2992-10-0x00000000001E0000-0x00000000001E6000-memory.dmp

    Filesize

    24KB

  • memory/2992-0-0x0000000000500000-0x0000000000D88000-memory.dmp

    Filesize

    8.5MB

  • memory/2992-11-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2992-7-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/2992-2-0x0000000000500000-0x0000000000D88000-memory.dmp

    Filesize

    8.5MB

  • memory/2992-5-0x0000000000500000-0x0000000000D88000-memory.dmp

    Filesize

    8.5MB