Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 19:03

General

  • Target

    20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe

  • Size

    64KB

  • MD5

    dd46f1ef2a469ebedc8ba365559a1bd3

  • SHA1

    44cff1885b3f35d860fd4f375985aff62001e454

  • SHA256

    dbdc62e79a3a5a061739573a18819f09efe55484773aee884feb8349b83c4b9a

  • SHA512

    aa79e513e29f1f0cb3e2aa801a7353f7305d6f7999d3c25788f07952e3517ac394fcdd06a91c9ce33066b58758fb502cd66e24347c759b2569697e38140a3e00

  • SSDEEP

    1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtsiv:BbdDmjr+OtEvwDpjM8a

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\20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\20240521dd46f1ef2a469ebedc8ba365559a1bd3cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1008
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:1984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    64KB

    MD5

    776dcb057f3ea35e896334ea35ccc4f4

    SHA1

    541e8b75be706562b3e7eea435943edcbc249492

    SHA256

    54f4bcef1f2b25cad1818280a13c95547a29397cc1a3000f93785badad922ebf

    SHA512

    d21953409161d8074c58dd5e0f4da45ab0a8a3dbfc75313549dad4a8172a4cee881a9236bc5d40c9f766f0bddcf7f59e40458c1cfa6b0d708302febf6b38194f

  • memory/1008-2-0x0000000000390000-0x0000000000396000-memory.dmp

    Filesize

    24KB

  • memory/1008-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1008-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1008-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1008-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1984-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1984-19-0x0000000000310000-0x0000000000316000-memory.dmp

    Filesize

    24KB

  • memory/1984-26-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/1984-27-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB