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, 23:25

General

  • Target
    91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe
  • Size 184KB
  • Sample240407-3ed39ahf61
  • SHA256 91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 1 IoCs
  • UPX dump on OEP (original entry point) 4 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 4 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe
    "C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.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:4880
    • C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe
      "C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe
        "C:\Users\Admin\AppData\Local\Temp\91a5dcbe155ba98a4921d00b5011ef53a303fde1a4d4033deef897788596074f.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:3536

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        lingerie voyeur feet sweet .mpg.exe

        • Path C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\lingerie voyeur feet sweet .mpg.exe
        • Size 1.1MB
        • SHA256 2276bbb86b773e3a0b8348f41d437feadb993aeb12e8d1627f8f991d28564da1
        • MD5 SHA1 SHA512 SSDEEP

        memory/1784-72-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/3536-166-0x0000000000400000-0x0000000000429000-memory.dmp

        memory/4880-0-0x0000000000400000-0x0000000000429000-memory.dmp