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Analysis

  • max time kernel
    143s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ffb062f9d6c4cfe3e54b87f9366e1ec7_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\ffb062f9d6c4cfe3e54b87f9366e1ec7_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2628
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:2032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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

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

    Filesize

    31KB

    MD5

    49f917a4c47ec477f96828afe68f9995

    SHA1

    c6a0a98315c9d201448160ad21217ea35b196762

    SHA256

    85db3edec9847afcb8fd54cd704b4a54e8cf23b9b5d21b1e3273f1041f28ba98

    SHA512

    b3113327c0e15235828a34cb96ed4d5090515cece4bad532c288c8dd833b44552c1744d5ab136fb9fb0dbe6f7f69ceb7f520462067c280e6ae02b778b7461d3a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2032-150-0x00000000006F0000-0x00000000006F6000-memory.dmp

    Filesize

    24KB

  • memory/2032-153-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/2032-152-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/2628-134-0x00000000006F0000-0x00000000006F6000-memory.dmp

    Filesize

    24KB

  • memory/2628-135-0x00000000006F0000-0x00000000006F6000-memory.dmp

    Filesize

    24KB

  • memory/2628-136-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB