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
    03/04/2024, 19:09

General

  • Target

    1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40.exe

  • Size

    2.0MB

  • MD5

    39648dbb7e3070751eb1247276dac0d5

  • SHA1

    2d42a85723cf9b5fc111964fd53c4f492551057e

  • SHA256

    1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40

  • SHA512

    5950c298b15585f8b5927919dc3b150b83be3fb34ad9c61a40f71eb3a68036954d9d7431993310703a5b09167a0d0050ff55ce0016eed9faf1d7ca7664c24879

  • SSDEEP

    24576:60a0AXg7M5UXGB8uA4DuA4kMvrjrT2s3zfxI4VsXoEqH2zC6vUMItNhEaPj3IHRJ:Ba0gHgn4DakI/5zfeoPGr3IjONrHt

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 6 IoCs
  • UPX dump on OEP (original entry point) 9 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 9 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\1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40.exe
    "C:\Users\Admin\AppData\Local\Temp\1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40.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:4928
    • C:\Users\Admin\AppData\Local\Temp\1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40.exe
      "C:\Users\Admin\AppData\Local\Temp\1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4204
      • C:\Users\Admin\AppData\Local\Temp\1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40.exe
        "C:\Users\Admin\AppData\Local\Temp\1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1608
    • C:\Users\Admin\AppData\Local\Temp\1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40.exe
      "C:\Users\Admin\AppData\Local\Temp\1bea9a2d133def3bd420103c619e8c81eb6d0063218ba76617eaa2d87bbbda40.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4048

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\brasilian nude gay girls castration .avi.exe

          Filesize

          425KB

          MD5

          433c2bfdfb237b295604645ab2ce9359

          SHA1

          b70f92f93dc0986fab5e69029d7b9277c2c45bcd

          SHA256

          694ef6e60931acdfe7c332bf5f269cd9e3738d37a4f410cf940ba82cfe2f3ff6

          SHA512

          c5ae12ca137cb8aad7a17afda875c34960b5eeacbd40e4191673fd2bdd0e8d3093cb0bd034836a9a7ae9dbbc8b08bba86e6f1f8d352e136782a858f23bec84fc

        • memory/1608-13-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/1608-201-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4048-12-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4048-199-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4204-10-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4204-195-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4928-0-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB

        • memory/4928-193-0x0000000000400000-0x0000000000421000-memory.dmp

          Filesize

          132KB