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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    12/05/2024, 21:13

General

  • Target

    2024-05-11_327b653086abce1916842fa455f7ea60_cryptolocker.exe

  • Size

    43KB

  • MD5

    327b653086abce1916842fa455f7ea60

  • SHA1

    aa4a1e996ac8c0085f980bd0df7ffcb58ed9edc6

  • SHA256

    cec3775f7f23bd928bc9ecbdabe164c1dce021ed884e17763da10da21418fbf3

  • SHA512

    8f8949784a98a22112ba2ab4e461579122364402f520e0065d0d0c64b26db06ad0e4509f36d79cfb07605c42fbcfbb9f4c8877379f985a1ad121ae7afa4c93af

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRp5jd:m5nkFNMOtEvwDpjG8hhXj5R

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 3 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\2024-05-11_327b653086abce1916842fa455f7ea60_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-11_327b653086abce1916842fa455f7ea60_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2972
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    44KB

    MD5

    719a33279477aeae3656077704871d35

    SHA1

    81ee45825c81a93764f994d66fc328715db62561

    SHA256

    25a892d7590ac9b054b88713c54526c3a1d0db598654d085c667ff9372cfdc05

    SHA512

    dc3427162dce53bd3a3ac1af514fc0fd615d0a11ce169d33e7a85bce58c2e556bb980e64f67428bc43bb53bc4091bc6070e966bb5750e44f8b71fde930aaabe0

  • memory/2588-26-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2588-19-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2588-18-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2588-27-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2972-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2972-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB

  • memory/2972-8-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2972-1-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2972-16-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB