General

  • Target

    MSEdgeRedirect.exe

  • Size

    1.1MB

  • Sample

    240809-p18m4avbph

  • MD5

    9d530a6008ad6fb341350ef422c5dce9

  • SHA1

    91a24c8e96b8766f3ae6b4090233de5a3df359e3

  • SHA256

    5c52dbabaa238202ddc0326d33edf8e48ae90f7f29490fde236f334769ab86d2

  • SHA512

    d08a560e809416cbe479920c6f59fd73b9a318420f5fe4c68530580f2932db43a0488f4c3b515a73b8797fede260ec394d47802d6aeec451a0d5b83021cde526

  • SSDEEP

    24576:CrORE29TTVx8aBRd1h1orq+GWE0Jc5bDTj1Vyv9Tva1EOvPMm8:C2EYTb8atv1orq+pEiSDTj1VyvBa+OvL

Malware Config

Targets

    • Target

      MSEdgeRedirect.exe

    • Size

      1.1MB

    • MD5

      9d530a6008ad6fb341350ef422c5dce9

    • SHA1

      91a24c8e96b8766f3ae6b4090233de5a3df359e3

    • SHA256

      5c52dbabaa238202ddc0326d33edf8e48ae90f7f29490fde236f334769ab86d2

    • SHA512

      d08a560e809416cbe479920c6f59fd73b9a318420f5fe4c68530580f2932db43a0488f4c3b515a73b8797fede260ec394d47802d6aeec451a0d5b83021cde526

    • SSDEEP

      24576:CrORE29TTVx8aBRd1h1orq+GWE0Jc5bDTj1Vyv9Tva1EOvPMm8:C2EYTb8atv1orq+pEiSDTj1VyvBa+OvL

    • Modifies boot configuration data using bcdedit

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Power Settings

      powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    • Detected potential entity reuse from brand microsoft.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks