Analysis
- max time kernel
149s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/08/2026, 03:11
Behavioral task
behavioral1
Sample
MasonClienterwr.exe
Resource
win10v2004-20260513-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
MasonClienterwr.exe
Resource
win11ltsc2024-20260709-en
4 signatures
150 seconds
General
- Target MasonClienterwr.exe
- Size 49KB
- Sample260827-dpklcadj7x
- SHA256 94643ae6d9abe35d5bb8db91657af06815106e5906f18539207f69411e9e549a
- MD5 8f738351fc1f985d172f909efd0fb2d1
- SHA1 bb70eb538386f8a6c177802261b5f9233cab7de3
- SHA512 eb294c1e6aac993699e4aacf0b04f9ad860219fdc47847c6b3eaf910562cbccc3f0a8e9a9dd5320a5a73bec6c787735aa54551c13e2d584d1ecca396b8c1a261
- SSDEEP 1536:gData4TKbc7702Qa4SBtsNwUBK1PAzvU3b5PV+TbOXq7:gDatay2c7702Qa4SBtsNwUBK1P0vGb5q
- TLSH T16633B59CA3D84131E4BF56B21D77124893B0BAA39462D79F7CC405CE2B26B958A41FF3
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
neptunerat
C2
-
qvmropyafw.localto.net:1376
Attributes
-
filename
USB.exe
-
group
MasonGroup
-
key
CwRtHjpbxoRPIL2M
-
rat_name
MasonRAT
Signatures
- Family: NeptuneRAT, MasonRAT
NeptuneRAT aka MasonRAT is a trojan written in C#.
- Detects NeptuneRAT stealer 1 IoCs
resource yara_rule behavioral2/memory/4372-1-0x0000000000640000-0x0000000000652000-memory.dmp family_neptunerat - Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
flow ioc 1 raw.githubusercontent.com 3 raw.githubusercontent.com - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4372 MasonClienterwr.exe