Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 08:38

General

  • Target

    2024-10-13_ec93f24fb18946a2310d5c8c459304de_cryptolocker.exe

  • Size

    46KB

  • MD5

    ec93f24fb18946a2310d5c8c459304de

  • SHA1

    6c9558e6a7c88ab2ff71fbdcf1cf948ca7c1bbf3

  • SHA256

    ad5e86209f18954855bcc0c974ef78652d20e888dae84f1600d6a84ad6649bd4

  • SHA512

    0518e089c20d0f678c607fb5178670da45702783cfeb4c69ebf47e1d504797e9cc15fbb2e405f0c2d984716d477efe156ba5e0c62d2515a3851cd68de250fe7b

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDhkJIND:6j+1NMOtEvwDpjrRraJs

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\2024-10-13_ec93f24fb18946a2310d5c8c459304de_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_ec93f24fb18946a2310d5c8c459304de_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3168
    • 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:1352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    16a05bdf83e82d12a5444308cd22e30a

    SHA1

    ebe3626e01f85470bfc1341f57ca301c86de9fe8

    SHA256

    fe566e1a626828ed801cb3ae83506ca200630dee4eb6f0a2635e9316a534a887

    SHA512

    68cbc792e0583d595481582619569cd3ce7aed11290fc1cfca154ec874f5f078c255daf7e0b23ee77b4685225fb645a7dbe9047379eebebe6fed580f378531d1

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1352-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/1352-20-0x0000000001F80000-0x0000000001F86000-memory.dmp

    Filesize

    24KB

  • memory/1352-48-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3168-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3168-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/3168-2-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/3168-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/3168-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB