Analysis
- max time kernel
150s - max time network
141s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 15:56
General
- Target bb6674be10b8e84328b0c384d9cabdec0530c4666ab49a8c3e5d1e509aa21b03.exe
- Size 2.4MB
- Sample260820-tdj4faed23
- SHA256 bb6674be10b8e84328b0c384d9cabdec0530c4666ab49a8c3e5d1e509aa21b03
Malware Config
Extracted
-
valleyrat_s2
-
1.0
-
ccz.92lu1.cc:1588
-
ccz.92lu1.cc:2588
-
ccz.92lu1.cc:5288
-
campaign_date
2026. 5.31
Signatures
- Family: ValleyRat
ValleyRat stage2 is a backdoor written in C++.
- Detects ValleyRAT payload 13 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 44 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Suspicious use of NtSetInformationThreadHideFromDebugger 32 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bb6674be10b8e84328b0c384d9cabdec0530c4666ab49a8c3e5d1e509aa21b03.exe"C:\Users\Admin\AppData\Local\Temp\bb6674be10b8e84328b0c384d9cabdec0530c4666ab49a8c3e5d1e509aa21b03.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
-
C:\Users\Admin\AppData\Local\Temp\bb6674be10b8e84328b0c384d9cabdec0530c4666ab49a8c3e5d1e509aa21b03.exeC:\Users\Admin\AppData\Local\Temp\bb6674be10b8e84328b0c384d9cabdec0530c4666ab49a8c3e5d1e509aa21b03.exe1⤵
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2256-14-0x000000007EE40000-0x000000007F211000-memory.dmp
memory/2256-23-0x0000000005E70000-0x0000000005EA8000-memory.dmp
memory/2256-67-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-63-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-4-0x0000000005BF0000-0x0000000005C22000-memory.dmp
memory/2256-5-0x0000000005E70000-0x0000000005EA8000-memory.dmp
memory/2256-6-0x0000000005E70000-0x0000000005EA8000-memory.dmp
memory/2256-61-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-8-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-57-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-10-0x0000000005E70000-0x0000000005EA8000-memory.dmp
memory/2256-55-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-1-0x000000007EE40000-0x000000007F211000-memory.dmp
memory/2256-15-0x0000000005E70000-0x0000000005EA8000-memory.dmp
memory/2256-31-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-51-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-49-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-45-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-41-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-21-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-37-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-16-0x0000000005E70000-0x0000000005EA8000-memory.dmp
memory/2256-35-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-27-0x0000000000960000-0x0000000001348000-memory.dmp
memory/2256-0-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-28-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-32-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-26-0x0000000004790000-0x00000000047C8000-memory.dmp
memory/3244-36-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-22-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-38-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-20-0x000000007F620000-0x000000007F9F1000-memory.dmp
memory/3244-42-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-17-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-46-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-18-0x0000000004790000-0x00000000047C8000-memory.dmp
memory/3244-50-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-19-0x0000000004790000-0x00000000047C8000-memory.dmp
memory/3244-52-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-13-0x0000000004790000-0x00000000047C8000-memory.dmp
memory/3244-56-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-9-0x0000000004790000-0x00000000047C8000-memory.dmp
memory/3244-58-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-7-0x0000000004790000-0x00000000047C8000-memory.dmp
memory/3244-62-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-3-0x000000007F620000-0x000000007F9F1000-memory.dmp
memory/3244-64-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-2-0x0000000000960000-0x0000000001348000-memory.dmp
memory/3244-68-0x0000000000960000-0x0000000001348000-memory.dmp