Analysis

  • max time kernel
    149s
  • 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, 03:41

General

  • Target

    2024-11-20_f497cd7b616203dfffb58c8ac1da5858_cryptolocker.exe

  • Size

    62KB

  • MD5

    f497cd7b616203dfffb58c8ac1da5858

  • SHA1

    c2b6512d99bcde57bb218b625f5878a90aeb2c20

  • SHA256

    f3a9a8d3f74aa9dbcacc1dbb02c6d6b702fa3bb67690688647fe3c6fe7dc9b86

  • SHA512

    6560ccd0e883c6142777b9ac689f62a5901118d475852c5a3378b3e30fa8e0f95d227c0dfcdead973f25b905a282b8ac7c304b73b5957aee7f783f465137c2e7

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36ucz:ZVxkGOtEvwDpjcao

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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-20_f497cd7b616203dfffb58c8ac1da5858_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_f497cd7b616203dfffb58c8ac1da5858_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:644
    • 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:3924

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    04ab4beee63c56c866872aa1a8642ebf

    SHA1

    ca845d668e1a4b99bc1575e7c4b4ed08f814255f

    SHA256

    35961ee37a966264f42a811c04602ea469f941311a54a886e80736fcc952425e

    SHA512

    d874ea4adac8123753aa4f259cd2f474476d64ca6b3ff9128b9229706b4e476c625a0cd4b1fe578809349f4172dc73ad21c0a9504b0bae57a12c322a78fd7b16

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/644-0-0x0000000000490000-0x0000000000493000-memory.dmp

    Filesize

    12KB

  • memory/644-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/644-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/644-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/644-17-0x0000000000490000-0x0000000000493000-memory.dmp

    Filesize

    12KB

  • memory/3924-18-0x00000000004E0000-0x00000000004E3000-memory.dmp

    Filesize

    12KB

  • memory/3924-21-0x0000000001F70000-0x0000000001F76000-memory.dmp

    Filesize

    24KB

  • memory/3924-20-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB