Resubmissions

04/07/2026, 00:21

260704-anef6ahx5t10

04/07/2026, 00:17

260704-ala1yshx3w10

03/07/2026, 21:30

260703-1cf4qagw2y10

03/07/2026, 21:22

260703-z8ckqsgv8w10

General

  • Target
    memz.bat
  • Size 5KB
  • Sample260703-1cf4qagw2y
  • SHA256 b2a680fa3dbcdbbd467ea8ecaaf382f6a9f6eb0a790bdc98675012c1dba721f8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      memz.bat
    • Size 5KB
    • SHA256 b2a680fa3dbcdbbd467ea8ecaaf382f6a9f6eb0a790bdc98675012c1dba721f8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Manipulates Digital Signatures

      Attackers can apply techniques such as modifying certain DLL exports to make their binary seem valid.

    • 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.

    • Reads user/profile data of web browsers

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

    • Enumerates connected drives

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

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Drops file in System32 directory

    • Modifies termsrv.dll

      Commonly used to allow simultaneous RDP sessions.

MITRE ATT&CK Enterprise v16

Tasks