Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2024, 00:17

General

  • Target
    abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3.exe
  • Size 1.4MB
  • Sample240408-alap7aah81
  • SHA256 abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 16 IoCs
  • UPX dump on OEP (original entry point) 18 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 18 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 17 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\abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3.exe
    "C:\Users\Admin\AppData\Local\Temp\abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3.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:4872
    • C:\Users\Admin\AppData\Local\Temp\abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3.exe
      "C:\Users\Admin\AppData\Local\Temp\abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:748
      • C:\Users\Admin\AppData\Local\Temp\abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3.exe
        "C:\Users\Admin\AppData\Local\Temp\abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3740
    • C:\Users\Admin\AppData\Local\Temp\abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3.exe
      "C:\Users\Admin\AppData\Local\Temp\abca16857a8bca289ae73804cd41a7e661499cbc6b247a217f3e97af339cd9c3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1772

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        sperm uncut .mpeg.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\sperm uncut .mpeg.exe
        • Size 927KB
        • SHA256 72fa53c2c22832cc45d5f18cabc86de4fa6678e9616251134dbc127a8477c777
        • MD5 SHA1 SHA512 SSDEEP

        memory/748-164-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/1772-24-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/3740-183-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-202-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-217-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-184-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-189-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-0-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-206-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-211-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-142-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-231-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-235-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-239-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-244-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-248-0x0000000000400000-0x000000000041E000-memory.dmp

        memory/4872-252-0x0000000000400000-0x000000000041E000-memory.dmp