General
- Target WizWorm-v5.exe
- Size 24.5MB
- Sample261009-sgspbaytex
- SHA256 a6b988a24aa33284e8f7931760aa5251de9e5790f580ea633d23bb574483ec1e
- MD5 c88614a523e1c676f0d65a1087a37a2f
- SHA1 48d1befe3cffc35b78212be0d85c44dd6555aec0
- SHA512 97a07081e6e1dbc26b9cf5c90e55f626aa67439735d0a5d6871631c3f26bd50612859a2d24439cfb7cc13d3a586cda5db3206d0e0ab5bfcbba46d3f3fb3c0bce
- SSDEEP 786432:PmidkuxFD/V7RvW7m1B4vuSKStkZRMfnOsqFBLy:PmxuxRt7BW72JSKSGZRMfnOsq
- TLSH T178473336235CB57CC2FDC1B54EC620C2EE4AE512F51767B96768AC42EC467088277F2A
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
WizWorm-v5.exe
Resource
win10v2004-20260911-en
Malware Config
Extracted
-
neptunerat
-
asdadwdwadwasd-54077.portmap.host:54077
-
filename
USB.exe
-
group
MasonGroup
-
key
3y30nEnHk6Gg9Ffy
-
rat_name
MasonRAT
Targets
-
- Target WizWorm-v5.exe
- Size 24.5MB
- SHA256 a6b988a24aa33284e8f7931760aa5251de9e5790f580ea633d23bb574483ec1e
- MD5 c88614a523e1c676f0d65a1087a37a2f
- SHA1 48d1befe3cffc35b78212be0d85c44dd6555aec0
- SHA512 97a07081e6e1dbc26b9cf5c90e55f626aa67439735d0a5d6871631c3f26bd50612859a2d24439cfb7cc13d3a586cda5db3206d0e0ab5bfcbba46d3f3fb3c0bce
- SSDEEP 786432:PmidkuxFD/V7RvW7m1B4vuSKStkZRMfnOsqFBLy:PmxuxRt7BW72JSKSGZRMfnOsq
- TLSH T178473336235CB57CC2FDC1B54EC620C2EE4AE512F51767B96768AC42EC467088277F2A
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detects DonutLoader
-
Detects NeptuneRAT stealer
-
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
-
Disables Task Manager via registry modification
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Adds Run key to start application
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
Drops file in System32 directory
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1