Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 03:28

General

  • Target

    2024-10-12_17ff3fbefdf74bb37db7cdb24b05138d_cryptolocker.exe

  • Size

    36KB

  • MD5

    17ff3fbefdf74bb37db7cdb24b05138d

  • SHA1

    445f3e91044a1809c93b76d0f7b45ce0508c459c

  • SHA256

    d8dc772717901ed3c6062715a27a69bc9224f836e702b7eca224316b1423d1ba

  • SHA512

    a4633b322d49aa0ad1c56ed9efeb9539d52e86de75b6a4d7ae0045f4855779ed4aad1aac853883e17e92a4b5dc8c1243888a2c2649f9ba704b32ca7dbb405d0f

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpj66BLbjG9RzF:i5nkFGMOtEvwDpjR+J

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\2024-10-12_17ff3fbefdf74bb37db7cdb24b05138d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_17ff3fbefdf74bb37db7cdb24b05138d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4428
    • 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:4388

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    bfb3cf94aa848cda7e6a6f7811f7f7d3

    SHA1

    c5c158752e49625399ec2fe4a1eb50036fb6efd4

    SHA256

    61f3febe424d092bb02ebdb69c946deb4d1cd77e4dcb131dc9d4f5d45d5ed10b

    SHA512

    5d9104f675430cd1574312a349f7498612130a0cd3020cb4a5d45b690e33286337067d3ee67250cb57c4ba2302595c28679c3fbcb14b8cc176c9ec6a548c157a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4388-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4388-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4388-50-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4428-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4428-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4428-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/4428-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/4428-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB