Resubmissions

13-12-2024 18:08

241213-wqxw6swqhw 3

11-12-2024 00:39

241211-az39naxjfs 10

General

  • Target

    Screenshot 2024-11-23 170158.png

  • Size

    233KB

  • Sample

    241211-az39naxjfs

  • MD5

    3d936546ef29f471b48929839986f03a

  • SHA1

    4b624a8b96f61a1b89ef5fda2a5198951d60a5a7

  • SHA256

    9899b46d9e26863c6ceec0c57b067d79d9cd1232f5426ed6e7dc0d03101aa294

  • SHA512

    7d7130ea5e8bb70c4e2ffb09ef1cdb8a17dd4a2c9c66bc7d52053d6f3fcfbe06ba36520606e0ca253583e9ed99d3874b691d63165e64e7315a0aac061697dd03

  • SSDEEP

    3072:SvDAwJFG7BAw3Eo5kGKhBIBjYPHJ10dA40kdfVSN38k1vbK2cQxQfDy4VzG3RUPM:01r8J3raGK3fPQ64tSeeaQxqqSEemL

Malware Config

Targets

    • Target

      Screenshot 2024-11-23 170158.png

    • Size

      233KB

    • MD5

      3d936546ef29f471b48929839986f03a

    • SHA1

      4b624a8b96f61a1b89ef5fda2a5198951d60a5a7

    • SHA256

      9899b46d9e26863c6ceec0c57b067d79d9cd1232f5426ed6e7dc0d03101aa294

    • SHA512

      7d7130ea5e8bb70c4e2ffb09ef1cdb8a17dd4a2c9c66bc7d52053d6f3fcfbe06ba36520606e0ca253583e9ed99d3874b691d63165e64e7315a0aac061697dd03

    • SSDEEP

      3072:SvDAwJFG7BAw3Eo5kGKhBIBjYPHJ10dA40kdfVSN38k1vbK2cQxQfDy4VzG3RUPM:01r8J3raGK3fPQ64tSeeaQxqqSEemL

    • 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.

    • Checks computer location settings

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

    • 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.

    • Boot or Logon Autostart Execution: Authentication Package

      Suspicious Windows Authentication Registry Modification.

    • Detected potential entity reuse from brand STEAM.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks