Analysis
- max time kernel
149s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
09/04/2026, 00:43
General
- Target 2026-04-09_8639de1014ac3c7230f128ec77d1cd00_cobalt-strike_icedid_luca-stealer_njrat_satacom_vidar.exe
- Size 355KB
- Sample260409-a3a3aahw9t
- SHA256 e8bd02f671b2724d44c54babae21b99f6702622def7a26bffabd2c2aded35758
Malware Config
Extracted
-
valleyrat_s2
-
1.0
-
38.45.125.58:6666
-
38.45.125.58:8888
-
127.0.0.1:80
-
campaign_date
2026. 4. 8
Signatures
- Detects ValleyRAT payload 8 IoCs
- ValleyRat
ValleyRat stage2 is a backdoor written in C++.
- Valleyrat_s2 family
- Custom signatureUPX dump on OEP (original entry point) 11 IoCs
- Downloads MZ/PE file 1 IoCs
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 2 IoCs
- Enumerates connected drives 3 TTPs 44 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in System32 directory 30 IoCs
- UPX packed file 11 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-09_8639de1014ac3c7230f128ec77d1cd00_cobalt-strike_icedid_luca-stealer_njrat_satacom_vidar.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-09_8639de1014ac3c7230f128ec77d1cd00_cobalt-strike_icedid_luca-stealer_njrat_satacom_vidar.exe"1⤵
- Downloads MZ/PE file
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Public\Downloads\pocket.exe"C:\Users\Public\Downloads\pocket.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /query /tn "WindowsUpdateHelper"3⤵
- System Location Discovery: System Language Discovery
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "WindowsUpdateHelper" /tr "\"C:\Users\Public\Downloads\pocket.exe\"" /sc onlogon /rl highest /f3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
-
C:\Users\Public\Downloads\pocket.exe"C:\Users\Public\Downloads\pocket.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exeschtasks /query /tn "WindowsUpdateHelper"2⤵
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
1.bin
pocket.exe
pocketBase.dll
memory/416-55-0x0000000002D90000-0x0000000002DC8000-memory.dmp
memory/416-48-0x00000000022D0000-0x00000000022F0000-memory.dmp
memory/416-73-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/416-69-0x0000000003E50000-0x0000000003EAE000-memory.dmp
memory/416-32-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/416-61-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/416-56-0x0000000002D90000-0x0000000002DC8000-memory.dmp
memory/416-44-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/416-36-0x00000000022D0000-0x00000000022F0000-memory.dmp
memory/416-37-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/416-46-0x00000000022D0000-0x00000000022F0000-memory.dmp
memory/416-53-0x0000000002D90000-0x0000000002DC8000-memory.dmp
memory/416-40-0x00000000022D0000-0x00000000022F0000-memory.dmp
memory/416-41-0x00000000022D0000-0x00000000022F0000-memory.dmp
memory/416-52-0x00000000022D0000-0x00000000022F0000-memory.dmp
memory/416-45-0x00000000022F0000-0x0000000002309000-memory.dmp
memory/416-49-0x0000000002D90000-0x0000000002DC8000-memory.dmp
memory/4524-0-0x00007FF697ED0000-0x00007FF697F2E000-memory.dmp
memory/4524-26-0x00007FF697ED0000-0x00007FF697F2E000-memory.dmp
memory/5812-38-0x00000000022E0000-0x0000000002300000-memory.dmp
memory/5812-34-0x0000000002250000-0x00000000022D1000-memory.dmp
memory/5812-43-0x00000000027A0000-0x00000000027B9000-memory.dmp
memory/5812-51-0x00000000022E0000-0x0000000002300000-memory.dmp
memory/5812-50-0x0000000002D80000-0x0000000002DB8000-memory.dmp
memory/5812-42-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/5812-39-0x00000000022E0000-0x0000000002300000-memory.dmp
memory/5812-54-0x0000000002D80000-0x0000000002DB8000-memory.dmp
memory/5812-35-0x00000000022E0000-0x0000000002300000-memory.dmp
memory/5812-47-0x00000000022E0000-0x0000000002300000-memory.dmp
memory/5812-57-0x0000000002D80000-0x0000000002DB8000-memory.dmp
memory/5812-58-0x0000000002D80000-0x0000000002DB8000-memory.dmp
memory/5812-59-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/5812-33-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/5812-63-0x00000000022E0000-0x0000000002300000-memory.dmp
memory/5812-64-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/5812-66-0x0000000002A10000-0x0000000002A6E000-memory.dmp
memory/5812-24-0x00000000755A0000-0x00000000755DF000-memory.dmp
memory/5812-29-0x0000000000500000-0x0000000000501000-memory.dmp