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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
    29/05/2024, 15:32

General

  • Target

    2024-05-29_58048df9a86bdb437b845510172f2241_cryptolocker.exe

  • Size

    49KB

  • MD5

    58048df9a86bdb437b845510172f2241

  • SHA1

    bc115bee22e5751d6a4ee71ad5e2cbe4a6f6ad29

  • SHA256

    cfbaa41d184a0a39aaaa44d9b2b71bee463425407aaa512413f9a67402b69012

  • SHA512

    b4c88730135dca54e8a9ad1f6e684da3f95a14860e41658dd1489ba75718cf8e3367cd31e9cb81d2ff10599384919e1f5b0c421ab490c1463fbf1836f2886efb

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsm06Md:xj+VGMOtEvwDpjy+viHs7pd

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 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 use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-29_58048df9a86bdb437b845510172f2241_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-29_58048df9a86bdb437b845510172f2241_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    49KB

    MD5

    d4ee86412a485fafe9bcbd9b07663f72

    SHA1

    7fd1285837427ec1057ac5267b1ceb8696eb44d1

    SHA256

    9aa9ee0c3808205fe6b878433fe8527426f96373e6892fff6dda6ed9abbc5618

    SHA512

    97b3c27500f404d0de917fee33fdf5ccb798e0c24ce7fa672333942fe2468f6998344efe2d5d0aea356cea5f93cf20dfcac722d0965df4016d73b3b1809d36ca

  • memory/3000-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3000-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/3000-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

    Filesize

    24KB

  • memory/3000-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/3000-12-0x0000000002320000-0x0000000002330000-memory.dmp

    Filesize

    64KB

  • memory/3000-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3012-18-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3012-19-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/3012-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB