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Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    27/04/2024, 05:15

General

  • Target

    2024-04-27_d3e02d1881a966d04dd6b60268a1e65e_cryptolocker.exe

  • Size

    40KB

  • MD5

    d3e02d1881a966d04dd6b60268a1e65e

  • SHA1

    9379bdd54126ca53dd94324f215fd2f216a7b28f

  • SHA256

    9338ab4480e3ce1568595bc76643a6380b9224bd5b06e72c145092059bf29103

  • SHA512

    64d8a25bbee2b437a4baa5885d7c1a1d391fc8d03b14a67c4ad5ff91c68292a15960f307f9a6b9a8a453747867c94e1677f87dd6c3209270e5d0e7eab715ca0f

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9Rva/yYsZZh:i5nkFGMOtEvwDpjR+viHsx

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\2024-04-27_d3e02d1881a966d04dd6b60268a1e65e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-27_d3e02d1881a966d04dd6b60268a1e65e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    fd97c1cfcf816489ed3b7bf88f0e1252

    SHA1

    16da27a9c6f016780c888159c6d290c53534a390

    SHA256

    882cb3b84013511ad056b73d5f2761d0b887f78b6167c73667c8bb7f051a0dd4

    SHA512

    fb0e29957465b799a90aca31c12fa57e5a965d9f8a5cf174ec394f84231a2b19dd37ae99b7e4e01fbd19455839be536fabbd149b50f995299960c33ee6c18e4c

  • memory/1484-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1484-27-0x0000000000440000-0x0000000000446000-memory.dmp

    Filesize

    24KB

  • memory/1484-20-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/1484-28-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2036-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2036-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2036-2-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

    Filesize

    24KB

  • memory/2036-9-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2036-14-0x00000000022A0000-0x00000000022AF000-memory.dmp

    Filesize

    60KB

  • memory/2036-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB