Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/11/2024, 01:03

General

  • Target
    c49a6d6259d7090608badcb4853eefb1be958577dc417ec124fa313c71f8c77fN.exe
  • Size 9.4MB
  • Sample241113-bevbpatjas
  • SHA256 c49a6d6259d7090608badcb4853eefb1be958577dc417ec124fa313c71f8c77f
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • UAC bypass 3 TTPs 12 IoCs
  • Adds policy Run key to start application 2 TTPs 23 IoCs
  • Disables RegEdit via registry modification 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Hijack Execution Flow: Executable Installer File Permissions Weakness 1 TTPs 3 IoCs

    Possible Turn off User Account Control's privilege elevation for standard users.

  • Looks up external IP address via web service 7 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • System policy modification 1 TTPs 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c49a6d6259d7090608badcb4853eefb1be958577dc417ec124fa313c71f8c77fN.exe
    "C:\Users\Admin\AppData\Local\Temp\c49a6d6259d7090608badcb4853eefb1be958577dc417ec124fa313c71f8c77fN.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Hijack Execution Flow: Executable Installer File Permissions Weakness
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\vgnqbcl.exe
      "C:\Users\Admin\AppData\Local\Temp\vgnqbcl.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Impair Defenses: Safe Mode Boot
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:1604
    • C:\Users\Admin\AppData\Local\Temp\vgnqbcl.exe
      "C:\Users\Admin\AppData\Local\Temp\vgnqbcl.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • System policy modification
      PID:3500
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:1192

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          xglmvubflscfmugvnhjsxyhgnrx.ory

          • Path C:\Program Files (x86)\xglmvubflscfmugvnhjsxyhgnrx.ory
          • Size 272B
          • SHA256 7c7ba3195df813fcb65ea69fe1eb1a71e6c791cee6efd651feb5f714dd450725
          • MD5 SHA1 SHA512

          xglmvubflscfmugvnhjsxyhgnrx.ory

          • Path C:\Program Files (x86)\xglmvubflscfmugvnhjsxyhgnrx.ory
          • Size 272B
          • SHA256 e059c8c2cc5324e692786237708038a3e836e56e8cb04c3f23ae5556b4e27200
          • MD5 SHA1 SHA512

          xglmvubflscfmugvnhjsxyhgnrx.ory

          • Path C:\Program Files (x86)\xglmvubflscfmugvnhjsxyhgnrx.ory
          • Size 272B
          • SHA256 ad2fe6fee8d470142ffe53acca85faefa5e89899a143192fcbf91ac3229e36e4
          • MD5 SHA1 SHA512

          xglmvubflscfmugvnhjsxyhgnrx.ory

          • Path C:\Program Files (x86)\xglmvubflscfmugvnhjsxyhgnrx.ory
          • Size 272B
          • SHA256 9a4617a12ee6c95b261bbbf444e07b49d5911621fa3d3029b52c83e1b08aa19e
          • MD5 SHA1 SHA512

          xglmvubflscfmugvnhjsxyhgnrx.ory

          • Path C:\Program Files (x86)\xglmvubflscfmugvnhjsxyhgnrx.ory
          • Size 272B
          • SHA256 71cd47e5d658624c00eb211f48731d134de1107b72472e32e0fb2de819e5d8c7
          • MD5 SHA1 SHA512

          xglmvubflscfmugvnhjsxyhgnrx.ory

          • Path C:\Program Files (x86)\xglmvubflscfmugvnhjsxyhgnrx.ory
          • Size 272B
          • SHA256 19acfe81863de4327c3d910647c48f9caabc8be636567738e755689b26e1cbb5
          • MD5 SHA1 SHA512

          xglmvubflscfmugvnhjsxyhgnrx.ory

          • Path C:\Program Files (x86)\xglmvubflscfmugvnhjsxyhgnrx.ory
          • Size 272B
          • SHA256 d3bc60af5378c05efd9b2a31ef6a42758bb40a9d23e4da47356fac8429858aab
          • MD5 SHA1 SHA512

          vgnqbcl.exe

          • Path C:\Users\Admin\AppData\Local\Temp\vgnqbcl.exe
          • Size 11.5MB
          • SHA256 2183d45504d667aed0461ea2b29a1bc2520ca08f727343d54260b50be0c6c5a4
          • MD5 SHA1 SHA512 SSDEEP

          uoeqkumbskftlebbejwqgsmwodumhvngddglys.uoy

          • Path C:\Users\Admin\AppData\Local\uoeqkumbskftlebbejwqgsmwodumhvngddglys.uoy
          • Size 3KB
          • SHA256 0ce086524f7fe6f4b34f4f5ce5bbb51a6cdcc89cc006ee7983c27630358fda31
          • MD5 SHA1 SHA512

          xglmvubflscfmugvnhjsxyhgnrx.ory

          • Path C:\Users\Admin\AppData\Local\xglmvubflscfmugvnhjsxyhgnrx.ory
          • Size 272B
          • SHA256 0b40c063f9abb223fc4323b26366961f58d4a79e53dac500eb5fc62b6b21c1ea
          • MD5 SHA1 SHA512

          xglmvubflscfmugvnhjsxyhgnrx.ory

          • Path C:\Users\Admin\AppData\Local\xglmvubflscfmugvnhjsxyhgnrx.ory
          • Size 272B
          • SHA256 50c04c6a80d7218c4537c6f1f7cb9ab6adf5fdc1d3aad770b3b02cf90b5916b4
          • MD5 SHA1 SHA512