Analysis

  • max time kernel
    92s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/11/2024, 13:38

General

  • Target

    2024-11-19_bba1ab42aa2b218515fe531099038345_cryptolocker.exe

  • Size

    74KB

  • MD5

    bba1ab42aa2b218515fe531099038345

  • SHA1

    b32136086daf8fecda89fe986cea83cdd2eb4cf8

  • SHA256

    34f44a33655e34547a200c0f545e2840b37cb1ca102ffb6c6dd576d7a4574a8f

  • SHA512

    96ed9cb3649bc43ca1d862538478cc93473f7b5d5ea56f9e1a2e811c672efeb6930f90ae39b388a67700ad8f876550b67b90728ae14572f7d4cc8345bad4260a

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/RV:vj+jsMQMOtEvwDpj5HZYTjipvF24d

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-19_bba1ab42aa2b218515fe531099038345_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-19_bba1ab42aa2b218515fe531099038345_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:840
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:4412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    abf338e15803bb4b2c273bc9aa24a9cf

    SHA1

    74f75d459fcf91278cd37ede75ceaedef18dc670

    SHA256

    dc4d1014e09603cbeabc1cbdf22605874057342bf4ca9d61d93f0322b888a882

    SHA512

    ccca848d3f5c7a18afb00e53f14a6f28ae3e6f9e0db6a95f69ff4bfb8c7619a980cbd81fcf5c30a8fdce3c9da0e22cf085479aecac85941d8051720bb88ee51c

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/840-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/840-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/840-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4412-17-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/4412-23-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB