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
    03/04/2024, 18:55

General

  • Target

    155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a.exe

  • Size

    1.8MB

  • MD5

    166746804407d665bae4db5100b783c1

  • SHA1

    c779546fe933cb366f544d7f16daabc19a071aa5

  • SHA256

    155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a

  • SHA512

    689d8373491dd111b14541d09b4e3e7967dce96f8a5285b5b3b8a8d01b051df0e36cd63de1e73a703523962432838e1e18a5e9be79439e444948bc782e94ef07

  • SSDEEP

    24576:VIVgWTJpYL5htqexCkPJfxyyL9gxIg8uihje2DwlUEE0lxQtdIGuVFeDWHoJEK2g:Wp+QvyBgn8u26xE0lmInVgDWHNmb8wr

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 18 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\155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a.exe
    "C:\Users\Admin\AppData\Local\Temp\155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a.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:3632
    • C:\Users\Admin\AppData\Local\Temp\155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a.exe
      "C:\Users\Admin\AppData\Local\Temp\155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1368
      • C:\Users\Admin\AppData\Local\Temp\155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a.exe
        "C:\Users\Admin\AppData\Local\Temp\155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3872
    • C:\Users\Admin\AppData\Local\Temp\155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a.exe
      "C:\Users\Admin\AppData\Local\Temp\155a1ee5c61a80243db4bceab6d17b4ebb58684073e6f249d272274c702cc36a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3576

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\italian action horse hot (!) .avi.exe

          Filesize

          613KB

          MD5

          66b079aa21688400ae11743f74c5caa7

          SHA1

          9b510e583506953584cd62129d6e09f7df44fe89

          SHA256

          faff241aa3665d7002827e9e3c716732b49308dc8f02a8f8b4e220fa02868b0d

          SHA512

          e82b2cad8eca110739334084f29664df43db426e3a0568df991c8250a2cf95f8df66a84a335afb0205842c859d0434d9e7f437998b9078014071b5e5025d7c57

        • memory/1368-97-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/1368-187-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3576-170-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-208-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-221-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-249-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-245-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-191-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-197-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-0-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-212-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-217-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-186-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-225-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-229-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-233-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-237-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3632-241-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3872-188-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB

        • memory/3872-166-0x0000000000400000-0x000000000041E000-memory.dmp

          Filesize

          120KB