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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/05/2024, 21:25

General

  • Target

    2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe

  • Size

    40KB

  • MD5

    222652fcaefb01b206ee441deda1d067

  • SHA1

    e7bc47738704de219d0e6622b9d1efeb2c2eba08

  • SHA256

    d343832e46d112249d76aa440370531e1e6750f199edc361769e3df69527180e

  • SHA512

    7d2e9625563635e63a0c264732b5738d176bb69b697392460d1531c97f29883205603cb1a4d2bb5a4b6c080fcc86bced800c8238799a29bfb92ff9326f01b252

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDky:ZzFbxmLPWQMOtEvwDpjLeJAsKcF

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 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\2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_222652fcaefb01b206ee441deda1d067_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    40KB

    MD5

    64c5a285dcb32b902173c2c18138b4b8

    SHA1

    4d7251e3b126998e2d2af1dd45e98c6f74ccfc8b

    SHA256

    33b70ff18669798e2c4359d9b9434b5987a910a2067586bb9af74cbb3bf6e36c

    SHA512

    dce97b475ece946ffb26fcbb23eefc971b681482e933f5d36b10928dc611d0ff208798fd084a48ce14d9664fc0ef0a196ac03a84ec36cca57e8feef967af3455

  • memory/2192-0-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2192-8-0x00000000003B0000-0x00000000003B6000-memory.dmp

    Filesize

    24KB

  • memory/2192-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/2192-9-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2492-15-0x00000000001C0000-0x00000000001C3000-memory.dmp

    Filesize

    12KB

  • memory/2492-17-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/2492-24-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2492-25-0x00000000001C0000-0x00000000001C3000-memory.dmp

    Filesize

    12KB