Analysis

  • max time kernel
    139s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-es
  • resource tags

    arch:x64arch:x86image:win7-20220812-eslocale:es-esos:windows7-x64systemwindows
  • submitted
    27/12/2022, 17:04

General

  • Target

    Ultimaker-Cura-5.2.1-win64.exe

  • Size

    271.0MB

  • MD5

    cf49173ab0099b09b17cbfb9f70b21dc

  • SHA1

    a08ac765658450ff4c14036e8c04650deb221a91

  • SHA256

    9917cb0831ea750f691421ec62dd17c99d44b71e4a3a7290c438ed59e6a7c8ae

  • SHA512

    48f0155913d0a5df3cd067b2053337f77e6806c050abafcd02f5a85fe92ea1d3438af00a25b62169d81481d9f048442d89bc44b65c4798369ac18468a832324e

  • SSDEEP

    6291456:pCZBRBShO+c2Z5QMw1hLNu/si7Pb1pAN58xFSsij1Epumf4u7:pOBSIEqZw/si7PJq7NK17

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 64 IoCs
  • Detects Pyinstaller 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 26 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ultimaker-Cura-5.2.1-win64.exe
    "C:\Users\Admin\AppData\Local\Temp\Ultimaker-Cura-5.2.1-win64.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe" C:\Program Files\Ultimaker Cura 5.2.1\Ultimaker-Cura.exe
      2⤵
        PID:832
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1420
      • C:\Program Files\Ultimaker Cura 5.2.1\Ultimaker-Cura.exe
        "C:\Program Files\Ultimaker Cura 5.2.1\Ultimaker-Cura.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:844

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files\Ultimaker Cura 5.2.1\Ultimaker-Cura.exe

            Filesize

            11.1MB

            MD5

            04068c019fa58544e9c8838016ac84cf

            SHA1

            4aac42c81137d1de0c8154b9755ad11159f3af72

            SHA256

            6468734ba3ebb9793eae04f726f8e8f6805c6f119b928dcf32991a791a5e07f9

            SHA512

            ddb53e1b633f1210d49928e80fd4c1966ac4655230fcc5dd75cd1bdfbf341d84a6c42b3ce7ad960b2f9749f69aa609032548c8cd63b1dce53566a6d05d0f7836

          • C:\Program Files\Ultimaker Cura 5.2.1\Ultimaker-Cura.exe

            Filesize

            11.1MB

            MD5

            04068c019fa58544e9c8838016ac84cf

            SHA1

            4aac42c81137d1de0c8154b9755ad11159f3af72

            SHA256

            6468734ba3ebb9793eae04f726f8e8f6805c6f119b928dcf32991a791a5e07f9

            SHA512

            ddb53e1b633f1210d49928e80fd4c1966ac4655230fcc5dd75cd1bdfbf341d84a6c42b3ce7ad960b2f9749f69aa609032548c8cd63b1dce53566a6d05d0f7836

          • C:\Program Files\Ultimaker Cura 5.2.1\python310.dll

            Filesize

            4.7MB

            MD5

            172ce15302dce4fc5351931498e60c56

            SHA1

            1fd6b1fddefaf74033849f3af951aaf58a7a4966

            SHA256

            e0e0c0b5921f759fe393bfca21695fbf61566d404e8a393e3b2c7903f4adf86c

            SHA512

            8379bb14dd9e7841e5095fddea99b3a89bfbf0a241d7acc801cc8eb558eb2b4c0d5699f53a960d05fa71467d3c43ceaa7b9a27a78b303f412bcd31d11b104c1b

          • \Program Files\Ultimaker Cura 5.2.1\Ultimaker-Cura.exe

            Filesize

            11.1MB

            MD5

            04068c019fa58544e9c8838016ac84cf

            SHA1

            4aac42c81137d1de0c8154b9755ad11159f3af72

            SHA256

            6468734ba3ebb9793eae04f726f8e8f6805c6f119b928dcf32991a791a5e07f9

            SHA512

            ddb53e1b633f1210d49928e80fd4c1966ac4655230fcc5dd75cd1bdfbf341d84a6c42b3ce7ad960b2f9749f69aa609032548c8cd63b1dce53566a6d05d0f7836

          • \Program Files\Ultimaker Cura 5.2.1\Ultimaker-Cura.exe

            Filesize

            11.1MB

            MD5

            04068c019fa58544e9c8838016ac84cf

            SHA1

            4aac42c81137d1de0c8154b9755ad11159f3af72

            SHA256

            6468734ba3ebb9793eae04f726f8e8f6805c6f119b928dcf32991a791a5e07f9

            SHA512

            ddb53e1b633f1210d49928e80fd4c1966ac4655230fcc5dd75cd1bdfbf341d84a6c42b3ce7ad960b2f9749f69aa609032548c8cd63b1dce53566a6d05d0f7836

          • \Program Files\Ultimaker Cura 5.2.1\Ultimaker-Cura.exe

            Filesize

            11.1MB

            MD5

            04068c019fa58544e9c8838016ac84cf

            SHA1

            4aac42c81137d1de0c8154b9755ad11159f3af72

            SHA256

            6468734ba3ebb9793eae04f726f8e8f6805c6f119b928dcf32991a791a5e07f9

            SHA512

            ddb53e1b633f1210d49928e80fd4c1966ac4655230fcc5dd75cd1bdfbf341d84a6c42b3ce7ad960b2f9749f69aa609032548c8cd63b1dce53566a6d05d0f7836

          • \Program Files\Ultimaker Cura 5.2.1\Ultimaker-Cura.exe

            Filesize

            11.1MB

            MD5

            04068c019fa58544e9c8838016ac84cf

            SHA1

            4aac42c81137d1de0c8154b9755ad11159f3af72

            SHA256

            6468734ba3ebb9793eae04f726f8e8f6805c6f119b928dcf32991a791a5e07f9

            SHA512

            ddb53e1b633f1210d49928e80fd4c1966ac4655230fcc5dd75cd1bdfbf341d84a6c42b3ce7ad960b2f9749f69aa609032548c8cd63b1dce53566a6d05d0f7836

          • \Program Files\Ultimaker Cura 5.2.1\python310.dll

            Filesize

            4.7MB

            MD5

            172ce15302dce4fc5351931498e60c56

            SHA1

            1fd6b1fddefaf74033849f3af951aaf58a7a4966

            SHA256

            e0e0c0b5921f759fe393bfca21695fbf61566d404e8a393e3b2c7903f4adf86c

            SHA512

            8379bb14dd9e7841e5095fddea99b3a89bfbf0a241d7acc801cc8eb558eb2b4c0d5699f53a960d05fa71467d3c43ceaa7b9a27a78b303f412bcd31d11b104c1b

          • \Program Files\Ultimaker Cura 5.2.1\uninstall.exe

            Filesize

            217KB

            MD5

            aec339d546da4c9302a9d06133f11605

            SHA1

            44f01e09a2bc9f75be182915a2d74f8642da01d3

            SHA256

            43d15d8acebf00d7376d0e38b928d3be6da8c8ed0eacdba7ea0a0fae97dec560

            SHA512

            d62e72d72c9b4bad80fe28ec2024b687eb26790b962c17d1e46bded1e31c12c7dabcab81cf08799d691d3636c37ab69de11e1677af5ddd4dcfaa88353db569e8

          • \Users\Admin\AppData\Local\Temp\nsd59F4.tmp\StartMenu.dll

            Filesize

            7KB

            MD5

            d070f3275df715bf3708beff2c6c307d

            SHA1

            93d3725801e07303e9727c4369e19fd139e69023

            SHA256

            42dd4dda3249a94e32e20f76eaffae784a5475ed00c60ef0197c8a2c1ccd2fb7

            SHA512

            fcaf625dac4684dad33d12e3a942b38489ecc90649eee885d823a932e70db63c1edb8614b9fa8904d1710e9b820e82c5a37aeb8403cf21cf1e3692f76438664d

          • \Users\Admin\AppData\Local\Temp\nsd59F4.tmp\System.dll

            Filesize

            12KB

            MD5

            cff85c549d536f651d4fb8387f1976f2

            SHA1

            d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

            SHA256

            8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

            SHA512

            531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

          • \Users\Admin\AppData\Local\Temp\nsd59F4.tmp\nsDialogs.dll

            Filesize

            9KB

            MD5

            6c3f8c94d0727894d706940a8a980543

            SHA1

            0d1bcad901be377f38d579aafc0c41c0ef8dcefd

            SHA256

            56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2

            SHA512

            2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355

          • memory/832-60-0x000007FEFBC21000-0x000007FEFBC23000-memory.dmp

            Filesize

            8KB

          • memory/1904-54-0x0000000075E71000-0x0000000075E73000-memory.dmp

            Filesize

            8KB