Analysis

  • max time kernel
    103s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2025, 08:20

General

  • Target

    3a90ad325806107cadbd87ed4825ff967c3535e74433ab04fa6ff30b512b818d.exe

  • Size

    55KB

  • MD5

    e021e3e1283f86e5fced161a2caae6c9

  • SHA1

    971ed137acb51b38e80412a1752873308e0cbb28

  • SHA256

    3a90ad325806107cadbd87ed4825ff967c3535e74433ab04fa6ff30b512b818d

  • SHA512

    4642ef34cdc44f3f90efa7c9c86298442e77fff289e5ee99c38151bb1c8cd0017d92bfb765f440f71c5856f930c84d28b62748aa320a20083c8a4b5861dbb2ae

  • SSDEEP

    1536:LvwIMUkn5lRjATpx6GWT4T/ajfAsLs99ODBL7:zJknVKucT/uf9A9IdH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • UPX packed file 3 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a90ad325806107cadbd87ed4825ff967c3535e74433ab04fa6ff30b512b818d.exe
    "C:\Users\Admin\AppData\Local\Temp\3a90ad325806107cadbd87ed4825ff967c3535e74433ab04fa6ff30b512b818d.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2240
  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c c:\program files\Webdialer\3a90ad325806107cadbd87ed4825f -m
    1⤵
      PID:4236

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2240-0-0x0000000000400000-0x0000000000425000-memory.dmp

      Filesize

      148KB

    • memory/2240-7-0x0000000000400000-0x0000000000425000-memory.dmp

      Filesize

      148KB

    • memory/2240-11-0x0000000000400000-0x0000000000425000-memory.dmp

      Filesize

      148KB