Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2024 06:32

General

  • Target

    2024-09-19_c59173610c5d2308de84020811003854_cryptolocker.exe

  • Size

    50KB

  • MD5

    c59173610c5d2308de84020811003854

  • SHA1

    65ce968d7824529f73994bbf5df0338365882542

  • SHA256

    482a8739c8b8299d4bfba157aa0ffc16940f524abc0acadc1c46360113150d50

  • SHA512

    41a1682f529e0cc1bbc50c3452cbcd1ae4e2cd3a929e7378ead7bf2c112e66c593333b26905c195a532eabde69d3134f836833b8ff0b6860c45e095f9a9fca26

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nx:vj+jsMQMOtEvwDpj5HczerLO04BO

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\2024-09-19_c59173610c5d2308de84020811003854_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_c59173610c5d2308de84020811003854_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3972
    • 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:720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    f2af0b857cbc8305874ead561f31eb5f

    SHA1

    2a8703d870dc9f0d41fd4c314afe07599897e30d

    SHA256

    dbdd947640a157530b03d01311fe2db5f0f4f109cad9fdb380722ab7d22afda3

    SHA512

    38fea117cbab9c69317dda7fc2d92fd1991b1c96250989b101de8beb7261cb586cbba7afba5647a0cf0f7b5314a8d8f4c88a19b698a35a23c2cea60257675d9a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/720-17-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/720-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3972-0-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/3972-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/3972-2-0x0000000000540000-0x0000000000546000-memory.dmp

    Filesize

    24KB