Resubmissions

09-01-2025 07:38

250109-jgq12swker 10

09-01-2025 07:38

250109-jggglswken 3

General

  • Target

    IMG_5596.JPG

  • Size

    5KB

  • Sample

    250109-jgq12swker

  • MD5

    3840ceffb5d4ff26abe3fc96bdc0a8dc

  • SHA1

    9b93cd7972e028aaaf0877d3c7582f809b797ae9

  • SHA256

    31ed160eff7dd5c06ef1ab58778fb91dc4651e465f25b4893ad71bd419f5b91a

  • SHA512

    c1a784f6a4e842fe8f55e7eeeb48fc18bcf1f40f2a9689da1dd9be36aca71efb92bb5a473843dfade97e628b99269cdedeb7a22e3398e6dc14518ed1faf63e8c

  • SSDEEP

    96:OpUEiLVa1JZsmqlVg1nGfQInw2Bo91rcXHgy01Z207zsyBEem92gO3:OmxOJZpqw1A4OXHZ0TT7zsyBClO3

Malware Config

Targets

    • Target

      IMG_5596.JPG

    • Size

      5KB

    • MD5

      3840ceffb5d4ff26abe3fc96bdc0a8dc

    • SHA1

      9b93cd7972e028aaaf0877d3c7582f809b797ae9

    • SHA256

      31ed160eff7dd5c06ef1ab58778fb91dc4651e465f25b4893ad71bd419f5b91a

    • SHA512

      c1a784f6a4e842fe8f55e7eeeb48fc18bcf1f40f2a9689da1dd9be36aca71efb92bb5a473843dfade97e628b99269cdedeb7a22e3398e6dc14518ed1faf63e8c

    • SSDEEP

      96:OpUEiLVa1JZsmqlVg1nGfQInw2Bo91rcXHgy01Z207zsyBEem92gO3:OmxOJZpqw1A4OXHZ0TT7zsyBClO3

    • Modifies WinLogon for persistence

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • 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

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Detected potential entity reuse from brand MICROSOFT.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks