Analysis

  • max time kernel
    95s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 04:41

General

  • Target

    2024-11-20_5fceda639faf6762900ab9289f023282_cryptolocker.exe

  • Size

    61KB

  • MD5

    5fceda639faf6762900ab9289f023282

  • SHA1

    907ad048aaa19e48d7cc2699dd8e451f0d8c3dd7

  • SHA256

    2fe4d5abc14de360d2759070ac08bcea92dd2a40a94be0d81c3a7322f2e6bd26

  • SHA512

    c61ad2de87e44033c487d84a98b1ff71fe58fb3d8ca1be4e0adc70f1b8ab2d7571f757db2b22b24d2b7c336be69bfc14aa57c02d7f08034c6950a81e3c3e7b06

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMV:TCjsIOtEvwDpj5HE/OUHnSMO

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\2024-11-20_5fceda639faf6762900ab9289f023282_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_5fceda639faf6762900ab9289f023282_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • 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:4752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    483aada0d5e02a1fe907032e12027fa7

    SHA1

    89cf8a159ca76c0f2d997cbafbdcc0ceaa012ffb

    SHA256

    3a253131629e3e5db60f76e98db7419bab508c1e7ba33d77c787a955bd50eba7

    SHA512

    c5642a5dac34e8675532c98d7ab69cdfc874cf4098a8bd1e8b593d26eb898ed4ce6749a7c5611de2e680f4b78d81ac2c000f49ceb925029d1cabb48c0f18c7f4

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2280-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2280-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/2280-2-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/2280-3-0x0000000000850000-0x0000000000856000-memory.dmp

    Filesize

    24KB

  • memory/2280-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4752-20-0x0000000000870000-0x0000000000876000-memory.dmp

    Filesize

    24KB

  • memory/4752-19-0x0000000000850000-0x0000000000856000-memory.dmp

    Filesize

    24KB

  • memory/4752-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB