Analysis
- max time kernel
149s - max time network
131s - platform
windows11-21h2_x64 - resource
win11-20251015-en - resource tags
- submitted
27/11/2025, 07:09
General
- Target 4b566ed23cf1c4639de7b01e5493e10939b943542e865705f93eeeaefbee88e6.exe
- Size 1.8MB
- Sample251127-hy7vfssqbs
- SHA256 4b566ed23cf1c4639de7b01e5493e10939b943542e865705f93eeeaefbee88e6
Score
10/10
Malware Config
Extracted
Family
-
valleyrat_s2
Version
-
1.0
C2
-
b1.yydscd1.top:6666
-
b1.yydscd3.top:80
Signatures
- ValleyRat
ValleyRat stage2 is a backdoor written in C++.
- Valleyrat_s2 family
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4b566ed23cf1c4639de7b01e5493e10939b943542e865705f93eeeaefbee88e6.exe"C:\Users\Admin\AppData\Local\Temp\4b566ed23cf1c4639de7b01e5493e10939b943542e865705f93eeeaefbee88e6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/6064-0-0x0000000000E5F000-0x0000000001004000-memory.dmp
memory/6064-1-0x0000000001880000-0x0000000001881000-memory.dmp
memory/6064-4-0x0000000000E40000-0x00000000011D8000-memory.dmp
memory/6064-2-0x0000000000E40000-0x00000000011D8000-memory.dmp
memory/6064-5-0x0000000000E5F000-0x0000000001004000-memory.dmp
memory/6064-6-0x0000000000E40000-0x00000000011D8000-memory.dmp