Analysis
- max time kernel
149s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
- submitted
02/11/2026, 02:27
General
- Target 2026.11.02裁员名单及补偿方案WPS.exe
- Size 585KB
- Sample261102-cxt93set8v
- SHA256 2d2a251a88632f010fd9671789746908eeccaa5bc5c0a5d25e4649efe4f5b15d
Malware Config
Extracted
-
valleyrat_s2
-
1.0
-
45.142.152.45:6666
-
45.142.152.45:8888
-
45.142.152.45:80
-
campaign_date
2026.10.30
Extracted
-
valleyrat_s2
-
45.142.152.45:80
-
45.142.152.45:6666
Signatures
- Family: ValleyRat
ValleyRat stage2 is a backdoor written in C++.
- Detects ValleyRAT payload 7 IoCs
- Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026.11.02裁员名单及补偿方案WPS.exe"C:\Users\Admin\AppData\Local\Temp\2026.11.02裁员名单及补偿方案WPS.exe"1⤵
-
C:\Users\Public\Downloads\2026.11.02裁员名单及补偿方案WPS.exeC:\Users\Public\Downloads\2026.11.02裁员名单及补偿方案WPS.exe1⤵
- Enumerates connected drives
- Executes dropped EXE
- Loads dropped DLL
- Reads the TCP/IP host and domain name from the registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
2.dat
2026.11.02裁员名单及补偿方案WPS.exe
teamspeak_control.dll
wctE6B1.tmp
memory/4304-74-0x0000000003BE0000-0x0000000003C4E000-memory.dmp
memory/4304-71-0x00007FFB448E0000-0x00007FFB44908000-memory.dmp
memory/4304-80-0x00000000014A0000-0x00000000014CA000-memory.dmp
memory/4304-64-0x00007FFB448E0000-0x00007FFB44908000-memory.dmp
memory/4304-66-0x0000000002E40000-0x0000000002E6B000-memory.dmp
memory/4304-79-0x0000000003BE0000-0x0000000003C4E000-memory.dmp
memory/4304-68-0x00000000014A0000-0x00000000014CA000-memory.dmp
memory/4304-67-0x00000000014A0000-0x00000000014CA000-memory.dmp
memory/4304-78-0x0000000003BE0000-0x0000000003C4E000-memory.dmp
memory/4304-70-0x00000000014A0000-0x00000000014CA000-memory.dmp
memory/4304-69-0x00000000014A0000-0x00000000014CA000-memory.dmp
memory/4304-77-0x0000000003BE0000-0x0000000003C4E000-memory.dmp
memory/4304-76-0x0000000003BE0000-0x0000000003C4E000-memory.dmp
memory/4304-75-0x0000000003BE0000-0x0000000003C4E000-memory.dmp
memory/4304-72-0x00000000014A0000-0x00000000014CA000-memory.dmp
memory/4304-73-0x0000000003A70000-0x0000000003AD8000-memory.dmp
memory/5720-0-0x00007FFB448E0000-0x00007FFB44908000-memory.dmp
memory/5720-58-0x0000000000640000-0x000000000068C000-memory.dmp
memory/5720-61-0x00007FFB448E0000-0x00007FFB44908000-memory.dmp
memory/5720-1-0x0000000000640000-0x000000000068C000-memory.dmp
memory/5720-2-0x0000000000640000-0x000000000068C000-memory.dmp