Analysis

  • max time kernel
    94s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/09/2024, 12:01

General

  • Target

    2024-09-05_067d9718b41c53dc0f5da9391b3de242_cryptolocker.exe

  • Size

    86KB

  • MD5

    067d9718b41c53dc0f5da9391b3de242

  • SHA1

    19049e58ce142062e411e7f543c5815f239a3eac

  • SHA256

    1b2bc59a1b201f26d8ac3515e8c3f676c0d75a354bdafe293a9d392e76f48da2

  • SHA512

    78218ce5021549a45ee29848cd4b273fd4c3d3278228a89af84128c52023f1e72b3698406f957c39eca2e7f53df4fd69e8d2958649f0273dfd78105d9fad28ea

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrC+ZH:TCjsIOtEvwDpj5HE/OUHnSMv

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\2024-09-05_067d9718b41c53dc0f5da9391b3de242_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_067d9718b41c53dc0f5da9391b3de242_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3492
    • 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:444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    86KB

    MD5

    92cd2c01039723d5bc6c95141f80d397

    SHA1

    3100080d8785778bd7fcc0ad097ee8326379c675

    SHA256

    9e1d8c0e12f122e8052f86a4a458cb9df2634a5fdef3b09aded49456a3d7b614

    SHA512

    d85ef637fe70fce175c7a7811fcc15486df22871d4727e98f17900ad90850a3b1609a3a4d9b3555af2e39a24037e7120615e9b16179645645e1f7d8585c34ddb

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/444-19-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/444-20-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/444-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3492-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3492-1-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/3492-2-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/3492-3-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/3492-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB