Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    02/06/2024, 06:46

General

  • Target

    2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe

  • Size

    62KB

  • MD5

    497f6895ac65262132b98fcefa2ce261

  • SHA1

    dbdec2b159a94678dbe5f9e29f7e2c5ca3fa424a

  • SHA256

    979d72bdc3f21b75a86cc6e345afebc84ef561f78d62cd801bc9a11cbefd0619

  • SHA512

    d32544df83275ba50371a9f17e6ab1f260555b13ae6b55338b60dc50a6dfceb673f04830edaf600310f350e8c911c4d50b5a854cc0fc5a6edd82701e7836985f

  • SSDEEP

    768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9d:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWQJ

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 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\2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-02_497f6895ac65262132b98fcefa2ce261_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    32e715520b2d47cef2a16b8f63692620

    SHA1

    e89369322414c32cb399f36232c9f6295571d41c

    SHA256

    6616d8f621412b584934d60c8b25036b97bf0c15fb404661a968bd34a5ccd2c6

    SHA512

    d78347aa1601fa13eea9253a477cea5fff62291eb876485517125f488d903557910fc11ada138599eecf1a83f65d53f63a49857579404834b5f357936c932f45

  • memory/2580-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2580-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2580-2-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2580-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2580-15-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2800-18-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2800-16-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/2800-25-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2800-26-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB