Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 23:12

General

  • Target
    8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3.exe
  • Size 2.1MB
  • Sample240407-268w9she75
  • SHA256 8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 19 IoCs
  • UPX dump on OEP (original entry point) 21 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 21 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 12 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3.exe
    "C:\Users\Admin\AppData\Local\Temp\8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:628
    • C:\Users\Admin\AppData\Local\Temp\8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3.exe
      "C:\Users\Admin\AppData\Local\Temp\8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4996
      • C:\Users\Admin\AppData\Local\Temp\8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3.exe
        "C:\Users\Admin\AppData\Local\Temp\8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3336
    • C:\Users\Admin\AppData\Local\Temp\8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3.exe
      "C:\Users\Admin\AppData\Local\Temp\8c9d7122b4a02d73da61b988a8030cb48549fb7fffc7c2ca17e999c3227ae5b3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4524

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        swedish horse gay [bangbus] .mpg.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\swedish horse gay [bangbus] .mpg.exe
        • Size 1.8MB
        • SHA256 e4885ad52f528300050ba05d477d6b372b4d31cd74d6b12bc6bff1890b9cc697
        • MD5 SHA1 SHA512 SSDEEP

        memory/628-205-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-246-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-238-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-234-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-184-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-195-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-230-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-189-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-0-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-242-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-218-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-214-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-209-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-222-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/628-226-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/3336-159-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4524-186-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4524-157-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4996-185-0x0000000000400000-0x000000000041C000-memory.dmp

        memory/4996-36-0x0000000000400000-0x000000000041C000-memory.dmp