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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
    29/05/2024, 15:31

General

  • Target

    2024-05-29_4e21ff461c9ad50ed41c110b8881f98f_cryptolocker.exe

  • Size

    38KB

  • MD5

    4e21ff461c9ad50ed41c110b8881f98f

  • SHA1

    b79e8609e35754233c71d89704ce1f2263a2eaa4

  • SHA256

    1904733c2d2c581c92b9fb6d1de8f830fb518a70991ec86054f8f11f3d46ba0e

  • SHA512

    70acf0da4434acbabb35a5aec31a7bb46854a6d80cd4f17b7fa91c01a1588e68f4edcbcb596946d8c2d468bd3f00046757068684580791ada84714c5513ac50b

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4C:fT+hsMQMOtEvwDpjoIHC

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\2024-05-29_4e21ff461c9ad50ed41c110b8881f98f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-29_4e21ff461c9ad50ed41c110b8881f98f_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    481876e7c8f1e43589e5a26fba4671d4

    SHA1

    bf00a59e3ccd2f23717ce4f504b811a27bfbf479

    SHA256

    e5b543700b2fcd2d228cb6db0ab4ae02fd1ae317081101b72396ad66544a75db

    SHA512

    94ac8dd78abdf6b6c59d2e62c5e1bc6360c1a74c1036e2dc55359d1b4c75cbf7376866ede2b0028d171b37d857dc326256be184d166b525952b51cb06848c61f

  • memory/2592-15-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/2592-22-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2696-0-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2696-1-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2696-8-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB