Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-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.exe"C:\Users\Public\Downloads\2026.11.02裁员名单及补偿方案WPS.exe"1⤵
- 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
2026.11.02裁员名单及补偿方案WPS.exe
teamspeak_control.dll
memory/2460-11-0x0000000002420000-0x000000000244A000-memory.dmp
memory/2460-18-0x0000000003220000-0x000000000328E000-memory.dmp
memory/2460-23-0x00007FFB33530000-0x00007FFB33558000-memory.dmp
memory/2460-8-0x0000000000C00000-0x0000000000C2B000-memory.dmp
memory/2460-7-0x00007FFB33530000-0x00007FFB33558000-memory.dmp
memory/2460-22-0x0000000002420000-0x000000000244A000-memory.dmp
memory/2460-21-0x0000000002420000-0x000000000244A000-memory.dmp
memory/2460-9-0x0000000002420000-0x000000000244A000-memory.dmp
memory/2460-10-0x0000000002420000-0x000000000244A000-memory.dmp
memory/2460-16-0x0000000003220000-0x000000000328E000-memory.dmp
memory/2460-20-0x0000000003220000-0x000000000328E000-memory.dmp
memory/2460-17-0x0000000003220000-0x000000000328E000-memory.dmp
memory/2460-12-0x0000000002420000-0x000000000244A000-memory.dmp
memory/2460-15-0x0000000003220000-0x000000000328E000-memory.dmp
memory/2460-14-0x00000000030B0000-0x0000000003118000-memory.dmp
memory/2460-13-0x0000000002420000-0x000000000244A000-memory.dmp
memory/2460-19-0x0000000003220000-0x000000000328E000-memory.dmp
memory/4216-1-0x0000000003120000-0x000000000316C000-memory.dmp
memory/4216-3-0x0000000003120000-0x000000000316C000-memory.dmp
memory/4216-4-0x00007FFB33530000-0x00007FFB33558000-memory.dmp
memory/4216-0-0x00007FFB33530000-0x00007FFB33558000-memory.dmp
memory/4216-2-0x0000000003120000-0x000000000316C000-memory.dmp