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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250211-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/02/2025, 06:11

General

  • Target

    d743daa22fdf4313a10da027b034c603eda255be037cb45b28faea23114d3b8a.exe

  • Size

    1.1MB

  • MD5

    1852be15aa8dcf664291b3849bd348e4

  • SHA1

    eea811d2a304101cc0b0edebe6590ea0f3da0a27

  • SHA256

    d743daa22fdf4313a10da027b034c603eda255be037cb45b28faea23114d3b8a

  • SHA512

    91ca1d44fa98a43dbc53541cecb8ca656df01d6dc57783f12c70df49347520e150796834731b56107976b5b9dc915006d18caf39ac6792187d605542452bd4eb

  • SSDEEP

    24576:hY6frxBDmkY+Jr0Iql2v4sx+uxtTyJuqe:bKuTvBwSdCud

Malware Config

Signatures

  • Detects Trigona ransomware 13 IoCs
  • Trigona

    A ransomware first seen at the beginning of the 2022.

  • Trigona family
  • Downloads MZ/PE file 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 4 IoCs
  • Drops file in Program Files directory 64 IoCs
  • 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d743daa22fdf4313a10da027b034c603eda255be037cb45b28faea23114d3b8a.exe
    "C:\Users\Admin\AppData\Local\Temp\d743daa22fdf4313a10da027b034c603eda255be037cb45b28faea23114d3b8a.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1100
  • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
    "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIwIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1ODgxNDM4MzUwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
    1⤵
    • System Location Discovery: System Language Discovery
    • System Network Configuration Discovery: Internet Connection Discovery
    PID:1232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3296967594-3563063956-581523229-1000\desktop.ini

    Filesize

    2KB

    MD5

    694e0d83a1ba078b776fbf1d875dbdd7

    SHA1

    3147741b577e9d50571270f8df795bb287477718

    SHA256

    acd0f1089507725090beb78c0bb2fa89353bd77613adb8071c99dbad991cbd8d

    SHA512

    16eefe18aaadffc98b7474b08bf9d3e99888252cf741881dd3e0e773d10dd14690b3950cef6f51387dfc3ad679d50cde08a73bc5a043b24c3d2901a89dd94e28

  • C:\how_to_decrypt.hta

    Filesize

    11KB

    MD5

    254d8c0f4d2971694fe1529d81e72b84

    SHA1

    39f3291290189994efb4cf41cae2818e0ec4665c

    SHA256

    303d79e586350b6386738cb62d7ce51a850089f5d087d394670c87055b4c94cb

    SHA512

    b21f808e587279838b9d9a6c65c3613336c1934a09125bf764ab08b47b9d13304ea88e9a82bcc5cccfdcc0002a5896eb78fddc2ee240d23665a1ad76bcf9a31a

  • memory/1100-4-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-0-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-6-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-14-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-2-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-1-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-678-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-5434-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-14088-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-20394-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-20701-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-20702-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB

  • memory/1100-20703-0x0000000000400000-0x0000000000526000-memory.dmp

    Filesize

    1.1MB