General
- Target memz.bat
- Size 5KB
- Sample260703-1cf4qagw2y
- SHA256 b2a680fa3dbcdbbd467ea8ecaaf382f6a9f6eb0a790bdc98675012c1dba721f8
- MD5 64205b03b91619f5f72f90881ced3c90
- SHA1 c8f3a9ce456fb765863f5a6b9f506596706e249c
- SHA512 68d643aa313d5e05e8dcf6f7330c03bae553fb14e397665794c924301ef218ac3f1fa38d947e38c56a6ca6b3c3efcfc206c3089918ca27962228b595baddc3ea
- SSDEEP 96:k7oD6qBkHzNTPN66CwZQU6V4VBC/28Av89YSt4L8YpUl2+JN7ALbNNsu3TJqX/zS:uoDLBkTBPN66CwZF6WVBo28Av89YSt4p
- TLSH T1BCC17F163D268C50C49064D248BBA925FBA5F24F1E117FE0B1C660B8F1273D4A73ADED
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
memz.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
memz.bat
Resource
win11ltsc2024-20260629-en
Malware Config
Targets
-
- Target memz.bat
- Size 5KB
- SHA256 b2a680fa3dbcdbbd467ea8ecaaf382f6a9f6eb0a790bdc98675012c1dba721f8
- MD5 64205b03b91619f5f72f90881ced3c90
- SHA1 c8f3a9ce456fb765863f5a6b9f506596706e249c
- SHA512 68d643aa313d5e05e8dcf6f7330c03bae553fb14e397665794c924301ef218ac3f1fa38d947e38c56a6ca6b3c3efcfc206c3089918ca27962228b595baddc3ea
- SSDEEP 96:k7oD6qBkHzNTPN66CwZQU6V4VBC/28Av89YSt4L8YpUl2+JN7ALbNNsu3TJqX/zS:uoDLBkTBPN66CwZF6WVBo28Av89YSt4p
- TLSH T1BCC17F163D268C50C49064D248BBA925FBA5F24F1E117FE0B1C660B8F1273D4A73ADED
- MD5 SHA1 SHA512 SSDEEP TLSH
-
UAC bypass
-
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.
-
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
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Active Setup
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Direct Volume Access
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
3File Deletion
3Modify Registry
3Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1