Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 01:42

General

  • Target

    2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe

  • Size

    43KB

  • MD5

    4eec15728190beabf45d735a636104c0

  • SHA1

    d214b86d139c052681d689aef16c27f8c089ab94

  • SHA256

    168bbe9a6e9d5ae414e1e624588d9b8dd187f621719cc04729f457a219fdc571

  • SHA512

    7d33d394d41a8e049df3cf54e2563b8b0ea0e6f98f7a3f97b8ccb3ce59d680721d7133c6e314b547854003b7a4c650898628538fa8f723d681a24d1483321c5c

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66TcjF:vj+jsMQMOtEvwDpj5HW5scx

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 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\2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-22_4eec15728190beabf45d735a636104c0_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    e5b2cd00a8b835a55bb26cfd916efc59

    SHA1

    54e79ab99b986207dd83b7bd79a61e91fb8c127f

    SHA256

    04757535fea08ff42deb4456fcfbafdcaf74020b144cf31e222bf4b9e9178b56

    SHA512

    72bbd8dafa51307698aa0168d62a3ccaee5f9d9ffe48acad958d0aa7902fb08dbb224267671d2081295e49eb43603e22695778d98f65a8066781bf776500139c

  • memory/2056-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2056-15-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2352-1-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2352-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2352-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB