Analysis

  • max time kernel
    148s
  • max time network
    150s
  • 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, 12:08

General

  • Target

    fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604.dll

  • Size

    188KB

  • MD5

    44b76574e2e207725ba3a51ef6c37be9

  • SHA1

    4e93ea81ab3d6efd0e577ff46b20f8041d83194e

  • SHA256

    fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604

  • SHA512

    851747ac149fac7b352347cce0364cb9dea697e2ffab026aea48d0ce5b9419b11854f5e73ac7b69d1526da5402130710a25c1e69c8eced68127792069e5aa752

  • SSDEEP

    3072:MlnKBiVIYKoD3a+CRadV+0MIuojV8XCZH5NEGqJcWhZWtWu9b8/++9OvIKGHTpR5:MlOiVNCRupFmSZHZqOWhZIWui/9OvIKi

Malware Config

Signatures

  • Blocklisted process makes network request 10 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • 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.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

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

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:460
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Adds Run key to start application
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3984

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • memory/3984-0-0x0000000010000000-0x0000000010073000-memory.dmp

          Filesize

          460KB

        • memory/3984-1-0x0000000010048000-0x0000000010049000-memory.dmp

          Filesize

          4KB

        • memory/3984-3-0x0000000010000000-0x0000000010073000-memory.dmp

          Filesize

          460KB

        • memory/3984-4-0x0000000010000000-0x0000000010073000-memory.dmp

          Filesize

          460KB