Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    07-04-2024 20:26

General

  • Target

    41b96510b9e915bf2491c70b8e56231f6f1e312f49e1e31b77689d2d93f5ba41.exe

  • Size

    129KB

  • MD5

    309b63511c73e10f49776744df69b778

  • SHA1

    759f40e0a7414bcc2af23dcee62665b7f2bc34cf

  • SHA256

    41b96510b9e915bf2491c70b8e56231f6f1e312f49e1e31b77689d2d93f5ba41

  • SHA512

    4b1f088e27955b311ad590f2ec430b3d3097e0aa4fb60445bb9ab423586dd87f32ec95fafad903e362748b534fb199409f52e1bee116c91c5df4b3db8d0dcb34

  • SSDEEP

    1536:t1RVCaKgzbLc54hukfgvYnouy8X5apRcfcDmJETuaUlndB9bz7/Ur4J/Qq:t/jbLl/gvQoutImkDmJLrldBdzbU0BQq

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 6 IoCs
  • UPX dump on OEP (original entry point) 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 7 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 10 IoCs
  • Drops file in Program Files directory 15 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 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41b96510b9e915bf2491c70b8e56231f6f1e312f49e1e31b77689d2d93f5ba41.exe
    "C:\Users\Admin\AppData\Local\Temp\41b96510b9e915bf2491c70b8e56231f6f1e312f49e1e31b77689d2d93f5ba41.exe"
    1⤵
    • 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:2904
    • C:\Users\Admin\AppData\Local\Temp\41b96510b9e915bf2491c70b8e56231f6f1e312f49e1e31b77689d2d93f5ba41.exe
      "C:\Users\Admin\AppData\Local\Temp\41b96510b9e915bf2491c70b8e56231f6f1e312f49e1e31b77689d2d93f5ba41.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Users\Admin\AppData\Local\Temp\41b96510b9e915bf2491c70b8e56231f6f1e312f49e1e31b77689d2d93f5ba41.exe
        "C:\Users\Admin\AppData\Local\Temp\41b96510b9e915bf2491c70b8e56231f6f1e312f49e1e31b77689d2d93f5ba41.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Windows Sidebar\Shared Gadgets\swedish cumshot lingerie voyeur feet femdom .mpeg.exe

    Filesize

    911KB

    MD5

    c1b228c83e7d6a7fe1a6f7d01e13c8e9

    SHA1

    27066bbb7445e0a619d0b251398fdbc6f2132b4f

    SHA256

    219762dd18e578ab22efd2540e416fde2f2a4a19802d2b0e3ecae513835a419b

    SHA512

    cf825946edd37b247c0def046cd394321b3b53e3d05defb70a40b0373999e03b507dfe86870868b8fe8612527f099cf39feb11d7c0c7039b56074b351595ed89

  • C:\debug.txt

    Filesize

    183B

    MD5

    53ba4ab99140914bbea8f39da178406b

    SHA1

    46185c8e68f6150e281b20206d27bd11e2c7135c

    SHA256

    3b661ad29bc6db4766ad9ec97f95043f949f6ebd487d9d13460285f68522fa9b

    SHA512

    eb415f5622242de4613504ce7290ecb47d92901880a61e108344c1a30aaf675e54a4c64665a93d769e372eb41d2e1f12f683ea4c24147c3ea6b1e0545e7d6ffd

  • memory/2112-78-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2112-86-0x0000000004CD0000-0x0000000004CEF000-memory.dmp

    Filesize

    124KB

  • memory/2112-107-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2112-108-0x0000000004CD0000-0x0000000004CEF000-memory.dmp

    Filesize

    124KB

  • memory/2628-87-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2628-109-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2904-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2904-77-0x00000000050E0000-0x00000000050FF000-memory.dmp

    Filesize

    124KB

  • memory/2904-104-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2904-106-0x00000000050E0000-0x00000000050FF000-memory.dmp

    Filesize

    124KB