Analysis

  • max time kernel
    169s
  • max time network
    172s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12-01-2024 06:05

General

  • Target

    2024-01-11_c45ac7c72e04440dea3c7b750b91acdc_cryptolocker.exe

  • Size

    45KB

  • MD5

    c45ac7c72e04440dea3c7b750b91acdc

  • SHA1

    a19788bdaf48f7541e60ac498146af13857b6f53

  • SHA256

    dd7a0fabf586d7cd4152ec58a2d171cac1c4d9ac59d4431776ba16b7b291b3c1

  • SHA512

    afe4f506c211108f98240e6d18db521d0c1eb624afeef62390e9f3ec4d29d36bd1943c9c0aab8b0506b94af657dd825dd2efbe0acb3400173a08878886b1d922

  • SSDEEP

    768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedmhTTHFAP:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+/

Score
7/10

Malware Config

Signatures

  • 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\2024-01-11_c45ac7c72e04440dea3c7b750b91acdc_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-11_c45ac7c72e04440dea3c7b750b91acdc_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:2804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    45KB

    MD5

    c26aecd6968ab1f32b89467573681c85

    SHA1

    38189f1963c375c6b5d76ea36c0f55bf9ef16026

    SHA256

    fb0213834d0faac5614d7f2cfe8caae985a669d6c5e8b8e032c4755ca6fbdf83

    SHA512

    2026e167386b6b1a1e832d234e1ca362bdcc0306fb54b3f9144d9f2b7f6c34c63a8a1a97818a7359b376cde97b70f5ccb244628cb4ec49224e9a75bca6d6e906

  • memory/1404-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1404-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/1404-3-0x0000000000450000-0x0000000000456000-memory.dmp

    Filesize

    24KB

  • memory/1404-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/1404-15-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2804-18-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2804-24-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2804-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB