Analysis

  • max time kernel
    94s
  • max time network
    138s
  • 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, 05:23

General

  • Target

    2024-11-20_366948b30217be39cb14932e5bb09d16_cryptolocker.exe

  • Size

    38KB

  • MD5

    366948b30217be39cb14932e5bb09d16

  • SHA1

    321b4dbe078722a769248f3ed8e3547d2a7faf02

  • SHA256

    c6f6bb10b136c96c1638ae1f13df565f8b6673eeaeb3858f913ab6f439695cd4

  • SHA512

    055e70e9b9b7c7c04b8d8f08d078d4e833cb38838596c2d749ae560d20de72caec8bf25859924d51ed06b1c1bd30a9da45d2c60f62058ac995bed0d3e5d1f26c

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+49:fT+hsMQMOtEvwDpjoIH9

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_366948b30217be39cb14932e5bb09d16_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_366948b30217be39cb14932e5bb09d16_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:452
    • 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:8

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    22151006fe08016f00f15a80596e515b

    SHA1

    acd969b131b255cf946ccc1af0226d5627a6c204

    SHA256

    d2eac962bf0a390279ad8eec4a3665bb6027cf6494a91e085aa2c72094333622

    SHA512

    d4cd40d28971eea4de24b6df017ec373aee6be47721f2073259c5eecd69c8404e416d4de1385d520b99124b6c427be450f95be4f7ef4629fe7c1d11167e44989

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/8-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/8-18-0x0000000000870000-0x0000000000876000-memory.dmp

    Filesize

    24KB

  • memory/452-0-0x0000000002320000-0x0000000002326000-memory.dmp

    Filesize

    24KB

  • memory/452-1-0x0000000002320000-0x0000000002326000-memory.dmp

    Filesize

    24KB

  • memory/452-2-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB