General
- Target powershell.exe
- Size 1.8MB
- Sample260907-1apyvagp7x
- SHA256 5ba7cebac34a0b112719ee72d3d169dbf8a590a3a66da7dcf7b3e03b1acc567a
- MD5 754276dcb19af36cdabd6181dd32af98
- SHA1 538737716be18b63ed0c2e13589d906234bf5eb4
- SHA512 492b277441d966f570e434becc8662c83381625a1eaea6f1cb47088d0b2022b0e42fc27f88776bb0ec7a7ee4ef38079764ec0249a18e1ff1c5a3e3546e66bd7d
- SSDEEP 24576:N30MePl5+WSOxynqNTMg2k6YnyIJKxjQaThKDo2PzIqNcN20tG55ptxEhL:N6XMOynqpbhyYKNVKD4UO2uW5yL
- TLSH T105852311848A195AC9450FBDA8333C4C37F8A3F9D332329B6A1FD867FC947D685265AC
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
powershell.exe
Resource
win10ltsc2021-20260513-en
Behavioral task
behavioral2
Sample
powershell.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Extracted
-
neptunerat
-
cryckLcracker-41656.portmap.host:41656
-
filename
USB.exe
-
group
MasonGroup
-
key
OX8KRYKr8ZsL8rQJ
-
rat_name
MasonRAT
Targets
-
- Target powershell.exe
- Size 1.8MB
- SHA256 5ba7cebac34a0b112719ee72d3d169dbf8a590a3a66da7dcf7b3e03b1acc567a
- MD5 754276dcb19af36cdabd6181dd32af98
- SHA1 538737716be18b63ed0c2e13589d906234bf5eb4
- SHA512 492b277441d966f570e434becc8662c83381625a1eaea6f1cb47088d0b2022b0e42fc27f88776bb0ec7a7ee4ef38079764ec0249a18e1ff1c5a3e3546e66bd7d
- SSDEEP 24576:N30MePl5+WSOxynqNTMg2k6YnyIJKxjQaThKDo2PzIqNcN20tG55ptxEhL:N6XMOynqpbhyYKNVKD4UO2uW5yL
- TLSH T105852311848A195AC9450FBDA8333C4C37F8A3F9D332329B6A1FD867FC947D685265AC
- 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.
Suspicious use of NtCreateUserProcessOtherParentProcess
Sets service image path in registry
This determines the executable launched when a service starts. It can be used to establish persistence.
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Indicator Removal: Clear Windows Event Logs
Clear Windows Event Logs to hide the activity of an intrusion.
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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
Suspicious use of SetThreadContext
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
1Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Indicator Removal
1Clear Windows Event Logs
1Modify Registry
1Pre-OS Boot
1Bootkit
1