Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/08/2024, 15:07

General

  • Target

    2024-08-07_aaed2b851045960be4f6c31b0702269e_cryptolocker.exe

  • Size

    73KB

  • MD5

    aaed2b851045960be4f6c31b0702269e

  • SHA1

    4dd2aa035e0beef5f0b2d16fee7c8b6e3de30845

  • SHA256

    bb716993962b8cd5333b779a12a5eb2577cbf46cadfeb1afe5decb02e96adf76

  • SHA512

    27037eba637d220e2e9f696b1a437b7490df8e7114f85536c7d1625714ad56eb03585ab255e1d6eaf13db5ea8ac55f972825d7287aa7bd3138c7117f835e1084

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/RD:vj+jsMQMOtEvwDpj5HZYTjipvF24r

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\2024-08-07_aaed2b851045960be4f6c31b0702269e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-07_aaed2b851045960be4f6c31b0702269e_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:208
    • 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:820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    603aea5531e03f180ae36745d9225eb7

    SHA1

    81b7b0a6df356580f14f72230730d4975e038d16

    SHA256

    65f03f8efb0ab074bc75d70b306bae78dd3cb85b359ca231ffa7efbfe917a9b3

    SHA512

    50d3f6d4e43d67279f9d9fb8bcbc1a47758f3c4ce56e3bcc6b1f8033b4141aeb6ad5f5254c614510fb49ab90179d39b104ebab2d1b050db23940d45c85aeb05a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/208-0-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/208-1-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/208-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/820-17-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/820-23-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB