Analysis

  • max time kernel
    95s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 19:26

General

  • Target

    2024-10-09_70cc387460b8ad5c263e27b6101958e6_cryptolocker.exe

  • Size

    61KB

  • MD5

    70cc387460b8ad5c263e27b6101958e6

  • SHA1

    157bcb540de5d668d9f805487f3b5ba42109fae7

  • SHA256

    1bd35bf3341ad40e95eddb633bc019a37a46c9ebeba7c14fdd9fed82238570d5

  • SHA512

    872b6661d5c98f7e8d8429e46941f09d8ff4f2f5f1c7df3341990516cb5c117cb2d60e2146d0fe788b33f0f6fcf77f933eb513ef30745ec48d5c537c7f21d549

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/RvDQeduJHqqnz10LhA:ZzFbxmLPWQMOtEvwDpj386Sj/RsB0Cz

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\2024-10-09_70cc387460b8ad5c263e27b6101958e6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_70cc387460b8ad5c263e27b6101958e6_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4716
    • 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:3640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    e5bd1977fca3067d65c5d68edf0c2f61

    SHA1

    9f1d7ab0d54883468c03ad68d2d370951b4be513

    SHA256

    b3a7b7ab8336193997d10b2ca71f70880cd9cc9deac75c34bed3c16868fc18c0

    SHA512

    b6d6f9b2d4e6822b26633ed70bd00f1e7d895401c39eac9194973f50bd09319ab235be8e451e3f34a923285425ae5189a78a94756f5733e70258876582ab69b3

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3640-19-0x0000000000860000-0x0000000000866000-memory.dmp

    Filesize

    24KB

  • memory/3640-20-0x0000000000880000-0x0000000000886000-memory.dmp

    Filesize

    24KB

  • memory/4716-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/4716-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4716-2-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/4716-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/4716-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB