Analysis

  • max time kernel
    140s
  • 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
    18/10/2024, 06:23

General

  • Target

    2024-10-18_2053ae4453407e2823f4744af6036f32_cryptolocker.exe

  • Size

    74KB

  • MD5

    2053ae4453407e2823f4744af6036f32

  • SHA1

    90fc2a63c132cda0c9693db127e83f371f2b5d6c

  • SHA256

    e39d506f58a3d2385d9415affb8fd06ee34e65364a7f58b335def119078f7ce9

  • SHA512

    aca7b518e32c2cf6589d219611a701ec705035ac2bed0385c792eae625a54f114fe510b4de74ef5f70788fd2d0d7cc52a1f5baaa932259494d9a3b17865f5de5

  • SSDEEP

    768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zt:9Uj+AIMOtEvwDpjLizbR9Xwzt

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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-18_2053ae4453407e2823f4744af6036f32_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-18_2053ae4453407e2823f4744af6036f32_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:876
    • 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:4116

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          75KB

          MD5

          4298c1424726eb18efac4e0a4c2440fc

          SHA1

          b642903476f80fbd149f97335f451de831bb5701

          SHA256

          dfde7b549060b436d3186d99e96909f154e06f0843dcbaf474f2ee4faafe4784

          SHA512

          e2d92cdca8e4014d1336a0c9e7adde206a5d117622025b98af2172c3165e484208bcbd9c7cfcc876213b2b082309873e544c6ad5a082bbfc4352ce5021139a6e

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/876-0-0x0000000002310000-0x0000000002316000-memory.dmp

          Filesize

          24KB

        • memory/876-1-0x0000000002310000-0x0000000002316000-memory.dmp

          Filesize

          24KB

        • memory/876-2-0x0000000002230000-0x0000000002236000-memory.dmp

          Filesize

          24KB

        • memory/4116-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/4116-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB