Overview

overview

7

Static

static

3

2cb741aa9e...0d.exe

windows7-x64

7

2cb741aa9e...0d.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    106s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/03/2024, 20:19

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General

  • Target
    2cb741aa9e51ccdf88cfcf7a4800267ab301c71eb05d63589989bc41e2e26c0d.exe
  • Size 3.5MB
  • Sample240331-y36qysbb7y
  • SHA256 2cb741aa9e51ccdf88cfcf7a4800267ab301c71eb05d63589989bc41e2e26c0d
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
adwareevasionstealertrojan

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Drops desktop.ini file(s) 2 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 46 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2cb741aa9e51ccdf88cfcf7a4800267ab301c71eb05d63589989bc41e2e26c0d.exe
    "C:\Users\Admin\AppData\Local\Temp\2cb741aa9e51ccdf88cfcf7a4800267ab301c71eb05d63589989bc41e2e26c0d.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2808
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /s "C:\Windows\RVWVLYCAVB.dll"
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:1176
    • C:\Users\Admin\AppData\Local\Temp\JollyRavish.exe
      "C:\Users\Admin\AppData\Local\Temp\JollyRavish.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      PID:4800
    • C:\Users\Admin\AppData\Local\Temp\JollyRavish.exe
      C:\Users\Admin\AppData\Local\Temp\JollyRavish.exe
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Program Files directory
      • Suspicious use of SetWindowsHookEx
      PID:4716

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        LivableLivable.exe
        • Path C:\Program Files\NattyTuber\LivableLivable.exe
        • Size 3.5MB
        • SHA256 2cb741aa9e51ccdf88cfcf7a4800267ab301c71eb05d63589989bc41e2e26c0d
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        JollyRavish.exe
        • Path C:\Users\Admin\AppData\Local\Temp\JollyRavish.exe
        • Size 28KB
        • SHA256 7f3bcfae359fce0e86d1f0b8881d204b3f4bea37b993c06d8a42d3771d92c2da
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        RVWVLYCAVB.dll
        • Path C:\Windows\RVWVLYCAVB.dll
        • Size 3.5MB
        • SHA256 b702a7c8ac4046731bcf3b71a8182ce2825802468a3848e3b3173851f60c8246
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download