General
- Target Minecraft House.exe
- Size 160KB
- Sample261013-ybehdsy16k
- SHA256 0e46dd655ec2df27c85006309dc3949891d0c59694339810eb13bbe0cdee2d9c
- MD5 06f5f9fb5438a5484e89d0e5dd634612
- SHA1 1d225080026f2b26929225e7eed1090e54f5c5b8
- SHA512 0620175755a51674fb142d5a9f5bf02b6fda953433a8ccbf620576dd231bce1a92227ed08b933bef0612fa45861617f12c628051d983e4a551bb8fbe2a659b19
- SSDEEP 3072:gSAx0gY4JGQjxCHN6+6e6JbQqUqpumE7hFxMK7SHukq0FV9Hb:HgZzUE+uNQ8pA9Fhk9Z
- TLSH T1A1F3021044CC765EFBFAA57BD9EA39C2AD27BA00F423C74DC49C1D1999AB2048977E31
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
Minecraft House.exe
Resource
win10v2004-20260911-en
Malware Config
Extracted
-
neptunerat
-
zf9-58733.portmap.host:58733
-
m7mdLffeadad-57254.portmap.host:57254
-
filename
USB.exe
-
group
MasonGroup
-
key
O65aLXQPh300RIkl
-
rat_name
MasonRAT
Targets
-
- Target Minecraft House.exe
- Size 160KB
- SHA256 0e46dd655ec2df27c85006309dc3949891d0c59694339810eb13bbe0cdee2d9c
- MD5 06f5f9fb5438a5484e89d0e5dd634612
- SHA1 1d225080026f2b26929225e7eed1090e54f5c5b8
- SHA512 0620175755a51674fb142d5a9f5bf02b6fda953433a8ccbf620576dd231bce1a92227ed08b933bef0612fa45861617f12c628051d983e4a551bb8fbe2a659b19
- SSDEEP 3072:gSAx0gY4JGQjxCHN6+6e6JbQqUqpumE7hFxMK7SHukq0FV9Hb:HgZzUE+uNQ8pA9Fhk9Z
- TLSH T1A1F3021044CC765EFBFAA57BD9EA39C2AD27BA00F423C74DC49C1D1999AB2048977E31
- 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