Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2024 06:21

General

  • Target

    2024-10-14_09b74b515bff5dfa485f91f4458361d1_cryptolocker.exe

  • Size

    68KB

  • MD5

    09b74b515bff5dfa485f91f4458361d1

  • SHA1

    40257a441e70fc5a593466d38b588d10d7fb4440

  • SHA256

    69f03df3c66ce4ed081bbd371a870bd2e051d5b806c77d4a8a45012c877c5460

  • SHA512

    a62281afc3e2920707025cc955209a4d23722e3f7a69e07213cd56e721d64eb340769a5f598d8df11204e1abb2942b2c26f02060213ad4afdcb518ba97e88a25

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEpE0P/xFIrV:6j+1NMOtEvwDpjr8ox8UDEpN/jCV

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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-14_09b74b515bff5dfa485f91f4458361d1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_09b74b515bff5dfa485f91f4458361d1_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3680
    • 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:536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    68KB

    MD5

    568c16bf0359e798d0e8b62517304457

    SHA1

    a08189900a574dcf8fe41a2c28d43dbc03fc2b47

    SHA256

    76cd0beb02bf02b4201fec95be83e8227bd964d072bd3791c54d48e7d49aa838

    SHA512

    2ee7b0c5f5d91d10ad9da39d732b8b76c8a9bf4aec8bbac9dff66cebf582338987f4f0f08afb99ba3dbc35b74e6357d0165a258eb6ae93586e3c2f06e6b17c97

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/536-19-0x00000000007E0000-0x00000000007E6000-memory.dmp

    Filesize

    24KB

  • memory/536-25-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/536-46-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3680-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3680-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3680-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/3680-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/3680-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB