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, 18:41

General

  • Target

    0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5.exe

  • Size

    1.5MB

  • MD5

    1e48a386bb362a574803573f08a4e346

  • SHA1

    0fd8352f5d9e64c5c5d80cccdb172ffb5ab6131e

  • SHA256

    0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5

  • SHA512

    175ff4f29468d102aeed8c2820a4cfc98ac03594274a21088ef61b8f38453ee121c7d5db61e83f9d201cff69eab5e3a0185d1138b4aa69805ca29bd56980f8e2

  • SSDEEP

    24576:YiW95yjJ5C4DVaSJursBuTnNklDE7wNnqpAWExnQVpZzGTeGfHB/rMw+ueZF7BJf:xWPcjNnJChYQ7InKPQnQVfCTlfB/r2uK

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\0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5.exe
    "C:\Users\Admin\AppData\Local\Temp\0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5.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:4972
    • C:\Users\Admin\AppData\Local\Temp\0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5.exe
      "C:\Users\Admin\AppData\Local\Temp\0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Users\Admin\AppData\Local\Temp\0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5.exe
        "C:\Users\Admin\AppData\Local\Temp\0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2924
    • C:\Users\Admin\AppData\Local\Temp\0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5.exe
      "C:\Users\Admin\AppData\Local\Temp\0f52c8cc0193a8b172bdbdbe9ce7c475f8e9bae09d4d00aa7ce02ca9236258a5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4792

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\japanese porn catfight .rar.exe

          Filesize

          2.0MB

          MD5

          fa368aaf12af38affc1c370537e10d44

          SHA1

          fd18c1988da4d1e7fa0959a084e6dae664189590

          SHA256

          1543cc927894d41c968376231be739233c1e202962a8a3a4fb591c3936fb3958

          SHA512

          c7cf1e7cf1074eb3c5395a1e775ebc3b5413261c855126c12e054b0326843df201775ca782c940382db1f4b237e0e3db5f3fc02346b9e98d17a8758655535be9

        • memory/2168-74-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2168-201-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2924-172-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2924-204-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4792-170-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4792-202-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4972-0-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4972-198-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB