Analysis

  • max time kernel
    112s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2025, 12:21

General

  • Target

    fa3508747cd2489a40efa27485f1e85d728c8d01e8d2e3349e325adb1cefa01fN.exe

  • Size

    1.8MB

  • MD5

    a3ad2b121987342a92275b4ed4fccf10

  • SHA1

    965219ef6bac815e09842f960aeb2650dbe3e201

  • SHA256

    fa3508747cd2489a40efa27485f1e85d728c8d01e8d2e3349e325adb1cefa01f

  • SHA512

    2ebf1f1840d92860e97332309c4c14ec1bed97e67c0a8671aecf85fe9f818d23bb7070a9d79a0497b8f6e4e5c3eba9e8142c639c354480e7859e6b072928beb3

  • SSDEEP

    1536:/CqbkY/kqpzkRx8H2iBrWP+zlwrNC8p2471hRScvf15KaqsmdxVus:5rQA/FIx19v9tq/dz

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 18 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • UAC bypass 3 TTPs 4 IoCs
  • Windows security bypass 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Disables taskbar notifications via registry modification
  • Drops file in Drivers directory 1 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 64 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 15 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Indicator Removal: Clear Persistence 1 TTPs 46 IoCs

    remove IFEO.

  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies Control Panel 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 15 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 24 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs
  • System policy modification 1 TTPs 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa3508747cd2489a40efa27485f1e85d728c8d01e8d2e3349e325adb1cefa01fN.exe
    "C:\Users\Admin\AppData\Local\Temp\fa3508747cd2489a40efa27485f1e85d728c8d01e8d2e3349e325adb1cefa01fN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Users\Admin\AppData\Local\Temp\fa3508747cd2489a40efa27485f1e85d728c8d01e8d2e3349e325adb1cefa01fN.exe
      "C:\Users\Admin\AppData\Local\Temp\fa3508747cd2489a40efa27485f1e85d728c8d01e8d2e3349e325adb1cefa01fN.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3512
      • C:\Users\Admin\C49207AD5A23EC96\E79900.exe
        "C:\Users\Admin\C49207AD5A23EC96\E79900.exe" 71E6EEDD
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4848
        • C:\Users\Admin\C49207AD5A23EC96\E79900.exe
          "C:\Users\Admin\C49207AD5A23EC96\E79900.exe"
          4⤵
          • Modifies firewall policy service
          • Modifies security service
          • Modifies visibility of file extensions in Explorer
          • Modifies visiblity of hidden/system files in Explorer
          • UAC bypass
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Drops file in Drivers directory
          • Event Triggered Execution: Image File Execution Options Injection
          • Drops startup file
          • Executes dropped EXE
          • Windows security modification
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Indicator Removal: Clear Persistence
          • System Location Discovery: System Language Discovery
          • Modifies Control Panel
          • Modifies Internet Explorer settings
          • Modifies Internet Explorer start page
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:5008
  • C:\Windows\system32\wbem\unsecapp.exe
    C:\Windows\system32\wbem\unsecapp.exe -Embedding
    1⤵
      PID:3884

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\C49207AD5A23EC96\E79900.exe

            Filesize

            1.8MB

            MD5

            a3ad2b121987342a92275b4ed4fccf10

            SHA1

            965219ef6bac815e09842f960aeb2650dbe3e201

            SHA256

            fa3508747cd2489a40efa27485f1e85d728c8d01e8d2e3349e325adb1cefa01f

            SHA512

            2ebf1f1840d92860e97332309c4c14ec1bed97e67c0a8671aecf85fe9f818d23bb7070a9d79a0497b8f6e4e5c3eba9e8142c639c354480e7859e6b072928beb3

          • memory/3512-2-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/3512-4-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/3512-6-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/3512-19-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/5008-1891-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/5008-1893-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB

          • memory/5008-1894-0x0000000000400000-0x0000000000446000-memory.dmp

            Filesize

            280KB