Analysis

  • max time kernel
    93s
  • max time network
    148s
  • 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, 03:26

General

  • Target

    2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe

  • Size

    73KB

  • MD5

    440dd4bb707ab97aa3be4f0c1f2a01ff

  • SHA1

    b61e505048ff80ddee313dc4fcc27f3c45d4b0fb

  • SHA256

    11368d3df9c44b7d5e40c408699ff2b3dd7e8ea6b9ec282485ae810f2be052c2

  • SHA512

    0461bb6a586f7541714bbdd3cff28d16a5221b310ec21c89b4c792e8be1e50ea9d9a4d0a293ed03668275dde643fdaf98e1647cd89eb98cb4b8924b45b72de40

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rn:vj+jsMQMOtEvwDpj5HZYTjipvF24/

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_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_440dd4bb707ab97aa3be4f0c1f2a01ff_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2184
    • 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:3232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    6ed9ffc4dccd36a8e24f3284956a821e

    SHA1

    80385469390837806f1f78892cbd026515dd6ace

    SHA256

    ad9ba7158eca86f5f470e96230ed04ffe7b0df0f8f2d540c296ae02742fa26e3

    SHA512

    acd4ad1685352d221fc635914c5773fec5565226dcd030ae063439202e1a26b6eb8f51675da296cc71aae78434e8a5295ee80fcc91d8bb6ac7d785f866d7f7c7

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2184-0-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/2184-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/2184-2-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/3232-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/3232-23-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB