Analysis

  • max time kernel
    120s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-05-2024 18:53

General

  • Target

    WinLocker(Don't Open).exe

  • Size

    397KB

  • MD5

    98c556fc3dc4f8a3b00304c4a248c004

  • SHA1

    4903613f133857158d57bba539b6cc7bdf00c229

  • SHA256

    a0ed055bfcef75af4bb6a23261c9864be7eb347a801b41e8a31a13e3fcbd9233

  • SHA512

    a1b600076a2501be86532a96ef9d613c73c9d43a12cc21edf51709d5dd49d2dfeafd3cacac315d8c8486cd79f10288378cf82cf377c1f2600f757a0ce971fe25

  • SSDEEP

    6144:MLy84u9nSO2GjZkD10BIY3rb1YfBdfpoZ3u/Ht52w6JSeiFPXf3S:Y+u9nx2GjMY3XKfd/H/9PPS

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • ModiLoader Second Stage 4 IoCs
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 28 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\WinLocker(Don't Open).exe
    "C:\Users\Admin\AppData\Local\Temp\WinLocker(Don't Open).exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2548
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
      PID:2760

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1288-0-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/1288-1-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/1288-2-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/1288-3-0x0000000000230000-0x0000000000231000-memory.dmp

      Filesize

      4KB

    • memory/1288-4-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB

    • memory/1288-7-0x0000000000400000-0x000000000046A000-memory.dmp

      Filesize

      424KB