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Overview

overview

9

Static

static

3

3372c1edab...70.exe

windows10-2004-x64

9

51B4EF5DC9...67.exe

windows10-2004-x64

1

E906FA3D51...56.exe

windows10-2004-x64

1

Analysis

  • max time kernel
    118s
  • max time network
    112s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/05/2024, 12:33

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General

  • Target

    3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe

  • Size

    284KB

  • MD5

    209a288c68207d57e0ce6e60ebf60729

  • SHA1

    e654d39cd13414b5151e8cf0d8f5b166dddd45cb

  • SHA256

    3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370

  • SHA512

    ce4a7e42738154183fc53702f0841dfd4ad1eb0567b13cc1ff0909f1d330e9cd2fb994375efc6f02e7eddaaae1f465ff93458412143266afdaff1c6bf6477fc3

  • SSDEEP

    3072:rYXT8PUsMNL8V4tD2My/JAAbQoM29wlV58lbNnolY7VgsYiVTPtiTu/q:rowUsML8g2j0o9wb0bNoaKsYImui

Score
9/10
persistenceransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (3752) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

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

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 64 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe
    "C:\Users\Admin\AppData\Local\Temp\3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\Users\Admin\AppData\Roaming\mldbhuc.exe
      C:\Users\Admin\AppData\Roaming\mldbhuc.exe
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in System32 directory
      • Sets desktop wallpaper using registry
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies Control Panel
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:456
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\3372C1~1.EXE >> NUL
      2⤵
        PID:1796

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\mldbhuc.exe
      Filesize

      284KB

      MD5

      209a288c68207d57e0ce6e60ebf60729

      SHA1

      e654d39cd13414b5151e8cf0d8f5b166dddd45cb

      SHA256

      3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370

      SHA512

      ce4a7e42738154183fc53702f0841dfd4ad1eb0567b13cc1ff0909f1d330e9cd2fb994375efc6f02e7eddaaae1f465ff93458412143266afdaff1c6bf6477fc3

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