Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 20:59

General

  • Target

    c499fb0bb29f94bba2402b3f9af126daf6dde4f2fdbb25807ebf4932a083c18aN.exe

  • Size

    79KB

  • MD5

    f840dff5cfeb6e28b87219bdb8b097f0

  • SHA1

    7afe90ee32aac02d8ee646aef6e90d4faa8f5bbb

  • SHA256

    c499fb0bb29f94bba2402b3f9af126daf6dde4f2fdbb25807ebf4932a083c18a

  • SHA512

    1b478c3e4418d2f789dc010cb27987dea1e044a04cbe7440b084d7638e175fb7abd8ad7d855a1a9b74e9a421f3320c2119e3a23b61bc32b0d971fe117c2ddb0c

  • SSDEEP

    1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN43vBKMvWPqH5kYhpvEHchVvhESC:xAo1lOwvlNlXBvsI7hrhEh9cpDN43vB6

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c499fb0bb29f94bba2402b3f9af126daf6dde4f2fdbb25807ebf4932a083c18aN.exe
    "C:\Users\Admin\AppData\Local\Temp\c499fb0bb29f94bba2402b3f9af126daf6dde4f2fdbb25807ebf4932a083c18aN.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2288
    • C:\Windows\microsofthelp.exe
      "C:\Windows\microsofthelp.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      PID:1168

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\microsofthelp.exe

          Filesize

          79KB

          MD5

          0786d204e1ec24a4015605eae07b199b

          SHA1

          9e689c164fcf3276b46f1d2539732758d7761137

          SHA256

          c8a9aa875d27705ceb39bb47b08609f267be4792825a8a6aea943867fd3a7a2f

          SHA512

          c477887f200832a20f200dcbf7c7f10f6602fcabcb8b761625e6ee97bbb52577c51ff62be3247f8afd5f15dc15754fc593cca6eb951f8f88b1fe2ef90e9873ba

        • memory/1168-6-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/2288-0-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB

        • memory/2288-4-0x0000000000400000-0x000000000040F000-memory.dmp

          Filesize

          60KB