Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2024, 20:40

General

  • Target

    2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe

  • Size

    64KB

  • MD5

    cfb604120e75d3d4688ab822c3c397c7

  • SHA1

    70a704136d3f5e56f407583cd3d1337eab138e3e

  • SHA256

    48c269ab3fe023d4c1ea5245d906ead517170fdd591b8cc698dab72c365f71d8

  • SHA512

    800786bfc0b724f4fa6b3e82507691d20f0bbcbd2fbcf0dcd1302fcdedd70ddedf4b6e4924af175fcb8650eb4a1f3adf50c02c66eb94b3289ddb59774f45b5d9

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbV4N:ZVxkGOtEvwDpjcawo

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\2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-13_cfb604120e75d3d4688ab822c3c397c7_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1320
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    64KB

    MD5

    2486122409184095cd59e92f2ed8ddec

    SHA1

    a2bb00a498c90fbd37ec5c1cea9bb4ded344b718

    SHA256

    caa1932526c86504ba2aecea42153faafa7860a817440971f95635d20b18510a

    SHA512

    ec295ba3ac62774702daab582d3732b7c2ecfaa8fae6c7befe151151cc0d58b410c4691275896c5e62bdb140a4a298806550d2dd9eb51738b11f42b6a6da402d

  • memory/1320-0-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/1320-1-0x0000000000230000-0x0000000000233000-memory.dmp

    Filesize

    12KB

  • memory/1320-2-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/1320-7-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2700-15-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2700-17-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/2700-21-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2700-25-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB