Analysis

  • max time kernel
    134s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    15/08/2023, 18:04

General

  • Target

    ffb062f9d6c4cfe3e54b87f9366e1ec7_cryptolocker_JC.exe

  • Size

    31KB

  • MD5

    ffb062f9d6c4cfe3e54b87f9366e1ec7

  • SHA1

    93be1646893514f175a553ada2716be95a0417bd

  • SHA256

    a5842022346f5462ac01832c3b84e8bed1c15603ec2086dc64f79491593e8319

  • SHA512

    4d77dae299cb5517e7f83ac50f49af34fab0b6d01d92d7e6aabbd3aa28fbd5429e7bd8599f876ccd5a38d052adbe619f049f3237ed3486722a481df395982371

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lG:ZzFbxmLPWQMOtEvwDpj38lG

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\ffb062f9d6c4cfe3e54b87f9366e1ec7_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\ffb062f9d6c4cfe3e54b87f9366e1ec7_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2172

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          31KB

          MD5

          49f917a4c47ec477f96828afe68f9995

          SHA1

          c6a0a98315c9d201448160ad21217ea35b196762

          SHA256

          85db3edec9847afcb8fd54cd704b4a54e8cf23b9b5d21b1e3273f1041f28ba98

          SHA512

          b3113327c0e15235828a34cb96ed4d5090515cece4bad532c288c8dd833b44552c1744d5ab136fb9fb0dbe6f7f69ceb7f520462067c280e6ae02b778b7461d3a

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

          Filesize

          31KB

          MD5

          49f917a4c47ec477f96828afe68f9995

          SHA1

          c6a0a98315c9d201448160ad21217ea35b196762

          SHA256

          85db3edec9847afcb8fd54cd704b4a54e8cf23b9b5d21b1e3273f1041f28ba98

          SHA512

          b3113327c0e15235828a34cb96ed4d5090515cece4bad532c288c8dd833b44552c1744d5ab136fb9fb0dbe6f7f69ceb7f520462067c280e6ae02b778b7461d3a

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

          Filesize

          31KB

          MD5

          49f917a4c47ec477f96828afe68f9995

          SHA1

          c6a0a98315c9d201448160ad21217ea35b196762

          SHA256

          85db3edec9847afcb8fd54cd704b4a54e8cf23b9b5d21b1e3273f1041f28ba98

          SHA512

          b3113327c0e15235828a34cb96ed4d5090515cece4bad532c288c8dd833b44552c1744d5ab136fb9fb0dbe6f7f69ceb7f520462067c280e6ae02b778b7461d3a

        • memory/2172-70-0x0000000000440000-0x0000000000446000-memory.dmp

          Filesize

          24KB

        • memory/2172-69-0x0000000000480000-0x0000000000486000-memory.dmp

          Filesize

          24KB

        • memory/2760-54-0x0000000000460000-0x0000000000466000-memory.dmp

          Filesize

          24KB

        • memory/2760-55-0x0000000000460000-0x0000000000466000-memory.dmp

          Filesize

          24KB

        • memory/2760-56-0x0000000000490000-0x0000000000496000-memory.dmp

          Filesize

          24KB