Analysis
- max time kernel
150s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
26/08/2026, 11:09
General
- Target b5fec0ac0d625a8a4ef0efedb2d2957e279d4742a4bad6872da9f72dafe7af09.exe
- Size 411KB
- Sample260826-m84yrsvset
- SHA256 b5fec0ac0d625a8a4ef0efedb2d2957e279d4742a4bad6872da9f72dafe7af09
Malware Config
Signatures
- Family: Simda, Shiz
Simda aka Shiz is a stealer and backdoor written in C++.
- Detects Simda aka Shiz backdoor 6 IoCs
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Executes dropped EXE 1 IoCs
- Modifies WinLogon 2 TTPs 2 IoCs
- Drops file in Windows directory 2 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 2 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\b5fec0ac0d625a8a4ef0efedb2d2957e279d4742a4bad6872da9f72dafe7af09.exe"C:\Users\Admin\AppData\Local\Temp\b5fec0ac0d625a8a4ef0efedb2d2957e279d4742a4bad6872da9f72dafe7af09.exe"1⤵
- Modifies WinLogon
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
C:\Windows\apppatch\svchost.exe"C:\Windows\apppatch\svchost.exe"2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
svchost.exe
memory/1056-61-0x0000000003D10000-0x0000000003D11000-memory.dmp
memory/1056-60-0x0000000003D00000-0x0000000003D01000-memory.dmp
memory/1056-13-0x0000000002BD0000-0x0000000002C6B000-memory.dmp
memory/1056-14-0x0000000002BD0000-0x0000000002C6B000-memory.dmp
memory/1056-16-0x0000000002BD0000-0x0000000002C6B000-memory.dmp
memory/1056-44-0x0000000003C80000-0x0000000003C81000-memory.dmp
memory/1056-46-0x0000000003CA0000-0x0000000003CA1000-memory.dmp
memory/1056-43-0x0000000003C90000-0x0000000003C91000-memory.dmp
memory/1056-82-0x0000000002BD0000-0x0000000002C6B000-memory.dmp
memory/1056-81-0x0000000003D90000-0x0000000003D91000-memory.dmp
memory/1056-79-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/1056-78-0x0000000003D80000-0x0000000003D81000-memory.dmp
memory/1056-75-0x0000000003D70000-0x0000000003D71000-memory.dmp
memory/1056-74-0x0000000003D60000-0x0000000003D61000-memory.dmp
memory/1056-72-0x0000000003D40000-0x0000000003D41000-memory.dmp
memory/1056-71-0x0000000003D50000-0x0000000003D51000-memory.dmp
memory/1056-67-0x0000000003D30000-0x0000000003D31000-memory.dmp
memory/1056-65-0x0000000003D10000-0x0000000003D11000-memory.dmp
memory/1056-64-0x0000000003D20000-0x0000000003D21000-memory.dmp
memory/1056-19-0x0000000003BF0000-0x0000000003BF1000-memory.dmp
memory/1056-10-0x0000000002A00000-0x0000000002A8C000-memory.dmp
memory/1056-58-0x0000000003CE0000-0x0000000003CE1000-memory.dmp
memory/1056-23-0x0000000003BF0000-0x0000000003BF1000-memory.dmp
memory/1056-57-0x0000000003CF0000-0x0000000003CF1000-memory.dmp
memory/1056-54-0x0000000003CE0000-0x0000000003CE1000-memory.dmp
memory/1056-53-0x0000000003CD0000-0x0000000003CD1000-memory.dmp
memory/1056-51-0x0000000003CB0000-0x0000000003CB1000-memory.dmp
memory/1056-50-0x0000000003CC0000-0x0000000003CC1000-memory.dmp
memory/1056-47-0x0000000003CB0000-0x0000000003CB1000-memory.dmp
memory/1056-39-0x0000000003C70000-0x0000000003C71000-memory.dmp
memory/1056-37-0x0000000003C50000-0x0000000003C51000-memory.dmp
memory/1056-36-0x0000000003C60000-0x0000000003C61000-memory.dmp
memory/1056-33-0x0000000003C50000-0x0000000003C51000-memory.dmp
memory/1056-32-0x0000000003C40000-0x0000000003C41000-memory.dmp
memory/1056-30-0x0000000003C20000-0x0000000003C21000-memory.dmp
memory/1056-29-0x0000000003C30000-0x0000000003C31000-memory.dmp
memory/1056-26-0x0000000003C20000-0x0000000003C21000-memory.dmp
memory/1056-25-0x0000000003C10000-0x0000000003C11000-memory.dmp
memory/1056-22-0x0000000003C00000-0x0000000003C01000-memory.dmp
memory/1056-21-0x0000000003C00000-0x0000000003C01000-memory.dmp
memory/1084-9-0x0000000000370000-0x00000000003D7000-memory.dmp