ATT&CKReferencesTalos MuddyWater May 2019

Talos MuddyWater May 2019

Adamitis, D. et al. (2019, May 20). Recent MuddyWater-associated BlackWater campaign shows signs of new anti-detection techniques. Retrieved June 5, 2019.

Open the source

Techniques0

Not cited by any technique.

Groups0

None recorded.

Software0

None recorded.

Campaigns0

None recorded.

Procedure examples8

TechniqueUsed byProcedure example
T1027.010
Command Obfuscation
GroupMuddyWater

MuddyWater has used Daniel Bohannon’s Invoke-Obfuscation framework and obfuscated PowerShell scripts. The group has also used other obfuscation methods, including Base64 obfuscation of VBScripts and PowerShell commands.

T1036.005
Match Legitimate Resource Name or Location
GroupMuddyWater

MuddyWater has disguised malicious executables and used filenames and Registry key names associated with Windows Defender.

T1047
Windows Management Instrumentation
GroupMuddyWater

MuddyWater has used malware that leveraged WMI for execution and querying host information.

T1059.001
PowerShell
GroupMuddyWater

MuddyWater has used PowerShell for execution.

T1082
System Information Discovery
GroupMuddyWater

MuddyWater has used malware that can collect the victim’s OS version and machine name.

T1104
Multi-Stage Channels
GroupMuddyWater

MuddyWater has used one C2 to obtain enumeration scripts and monitor web logs, but a different C2 to send data back.

T1204.002
Malicious File
GroupMuddyWater

MuddyWater has attempted to get users to open malicious PDF attachment and to enable macros and launch malicious Microsoft Word documents delivered via spearphishing emails. Additionally, MuddyWater has used a Word document with a malicious Visual Basic for Applications (VBA) macro; when enabled, the CertificationKit.ini payload is constructed and executed.

T1547.001
Registry Run Keys / Startup Folder
GroupMuddyWater

MuddyWater has added Registry Run key KCU\Software\Microsoft\Windows\CurrentVersion\Run\SystemTextEncoding to establish persistence.

Data from MITRE ATT&CK® (Enterprise). ATT&CK® is a registered trademark of The MITRE Corporation.