Analysis

  • max time kernel
    144s
  • max time network
    66s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/12/2023, 14:17

General

  • Target
    004c8d8245047b0f39999684f20721f0.exe
  • Size 976KB
  • Sample231224-rl7tcsdaaq
  • SHA256 61a7cc351e95157e641e31c7f7998c3ac835a3d30a1d5c2b2a3b02c8c102b8f6
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • VMProtect packed file 4 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 22 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\004c8d8245047b0f39999684f20721f0.exe
    "C:\Users\Admin\AppData\Local\Temp\004c8d8245047b0f39999684f20721f0.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4544
    • C:\Users\Admin\AppData\Local\Temp\~srflkHV\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\~srflkHV\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4876
      • C:\Program Files (x86)\YDate\YDate.exe
        "C:\Program Files (x86)\YDate\YDate.exe" /install
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2592
      • C:\Program Files (x86)\YDate\YDate.exe
        "C:\Program Files (x86)\YDate\YDate.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2808
  • C:\Windows\SysWOW64\schtasks.exe
    schtasks.exe /create /tn SZDate /tr "'C:\Program Files (x86)\YDate\YDate.exe'" /sc onlogon /rl highest /f
    1⤵
    • Creates scheduled task(s)
    PID:4560

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        YDate.exe

        • Path C:\Program Files (x86)\YDate\YDate.exe
        • Size 68KB
        • SHA256 8f3bf7e896a37b60f0ca8c6a0fb95a975d6e0cfecf62eb1a315ad5924a1234d6
        • MD5 SHA1 SHA512 SSDEEP

        YDate.exe

        • Path C:\Program Files (x86)\YDate\YDate.exe
        • Size 12KB
        • SHA256 0908acadc46b6078e44f1383ade230c0f76438e48cfbcd0cfc37eafd398911f8
        • MD5 SHA1 SHA512 SSDEEP

        YDate.exe

        • Path C:\Program Files (x86)\YDate\YDate.exe
        • Size 34KB
        • SHA256 6ad2ff43a1497b53ca63fb4dfac1aa7fc2a8593f4776691fc1b144d2893664b8
        • MD5 SHA1 SHA512 SSDEEP

        fun.dll

        • Path C:\Program Files (x86)\YDate\fun.dll
        • Size 33KB
        • SHA256 c73d5a10f8c8a044865e9a3e9ab0a63b518b117284b57c72ac5bf3476994f38e
        • MD5 SHA1 SHA512 SSDEEP

        fun.dll

        • Path C:\Program Files (x86)\YDate\fun.dll
        • Size 1KB
        • SHA256 35d83b85a8ab75c98c593912d8f08550de51cc4abe676180f3a4d5a3fb2c20f4
        • MD5 SHA1 SHA512

        hn.ini

        • Path C:\Program Files (x86)\YDate\hn.ini
        • Size 42KB
        • SHA256 dbec1ba94715cc4363cf4c81a90fbcfa85a194876fe7269da848b3f2dac13db5
        • MD5 SHA1 SHA512 SSDEEP

        BtnClose.png

        • Path C:\Users\Admin\AppData\Local\Temp\~srflkHV\Resource\BtnClose.png
        • Size 480B
        • SHA256 b564635edb3549cd84e9f44d3053a12769cd8e0513034e076f8bd9b6bf7438d5
        • MD5 SHA1 SHA512

        BtnInst.png

        • Path C:\Users\Admin\AppData\Local\Temp\~srflkHV\Resource\BtnInst.png
        • Size 16KB
        • SHA256 757eb475d76992ffd14fd6e9f82ef76bfac7189d2aa49e31794f3bb2d631b193
        • MD5 SHA1 SHA512 SSDEEP

        BtnMinimized.png

        • Path C:\Users\Admin\AppData\Local\Temp\~srflkHV\Resource\BtnMinimized.png
        • Size 234B
        • SHA256 d96499fc71bb01ece92eee0012db48cf28a064e420ae815169f28ef3a7aa82c3
        • MD5 SHA1 SHA512

        InstUI.bmp

        • Path C:\Users\Admin\AppData\Local\Temp\~srflkHV\Resource\InstUI.bmp
        • Size 45KB
        • SHA256 be5c720d5bd197919419e4a744b0a7ae1dab5926abae3b87686ad3fc6130f882
        • MD5 SHA1 SHA512 SSDEEP

        Setup.INI

        • Path C:\Users\Admin\AppData\Local\Temp\~srflkHV\Setup.INI
        • Size 860B
        • SHA256 c77cf06e41709b3dd4616338503b6c8691610519ec91ec213d8151c222d89c09
        • MD5 SHA1 SHA512

        Setup.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~srflkHV\Setup.exe
        • Size 10KB
        • SHA256 e019b3fa21f549f3444e3ec63f0a7da7d84a55bbd7c9c2ead03369d02844c0c7
        • MD5 SHA1 SHA512 SSDEEP

        Uninstall.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~srflkHV\Uninstall.exe
        • Size 20KB
        • SHA256 1e32a2d751701f29ea0c6199ec2df023d0c931021fb6aaf9af5a54d093519d90
        • MD5 SHA1 SHA512 SSDEEP

        YDate.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~srflkHV\YDate.exe
        • Size 68KB
        • SHA256 56d738a6442822a9635456acff74a57cdd21b74a6f1c4b61e6642a6d86188e0d
        • MD5 SHA1 SHA512 SSDEEP

        hn.ini

        • Path C:\Users\Admin\AppData\Local\Temp\~srflkHV\hn.ini
        • Size 36KB
        • SHA256 79d4aa29d42b700ee78f0397e3cd657018edef471e657796cb5937f5b81aeb05
        • MD5 SHA1 SHA512 SSDEEP

        ÔÃÈÕÀú.ini

        • Path C:\Users\Admin\AppData\Local\Temp\ÔÃÈÕÀú.ini
        • Size 580B
        • SHA256 207ce83b4b60ba731fe758223e4b6637578abceb1b7d394b6eae66b0f774e9f0
        • MD5 SHA1 SHA512

        ÔÃÈÕÀú.ini

        • Path C:\Users\Admin\AppData\Local\Temp\ÔÃÈÕÀú.ini
        • Size 753B
        • SHA256 9743b62301c5dafc6e33d25d0114825238f81c91d332f21de9c43608d3fd54b4
        • MD5 SHA1 SHA512

        memory/2592-66-0x0000000010000000-0x000000001013A000-memory.dmp

        memory/2592-65-0x0000000010000000-0x000000001013A000-memory.dmp