Analysis
- max time kernel
148s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
20/08/2026, 19:15
General
- Target 2026-08-20_1fb52a145fa4aca611912bde6442e046_cryptbot_icedid_luca-stealer_njrat_stealc.exe
- Size 4.5MB
- Sample260820-xym8daxtds
- SHA256 e05087d0559b7532380617e3e7a83ecc878d7cae857a38923da469aa41d08bc2
Malware Config
Signatures
- Detects executables manipulated with Fody 2 IoCs
- Executes dropped EXE 1 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Costura .NET executable packer 1 IoCs
Costura packer aka Costura Fody, is an add-in for the .NET framework that embeds all external dependency .dll files as resources inside main executable.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks SCSI registry key(s) 3 TTPs 8 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Modifies registry class 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 4 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-20_1fb52a145fa4aca611912bde6442e046_cryptbot_icedid_luca-stealer_njrat_stealc.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-20_1fb52a145fa4aca611912bde6442e046_cryptbot_icedid_luca-stealer_njrat_stealc.exe"1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\mspaint.exe"C:\Windows\system32\mspaint.exe" "C:\Users\Admin\AppData\Local\Temp\image.jpg"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
-
-
C:\Users\Admin\AppData\Local\Temp\fsociety2.exe"C:\Users\Admin\AppData\Local\Temp\fsociety2.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4148 -s 21443⤵
- Program crash
-
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService1⤵
- Checks SCSI registry key(s)
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4148 -ip 41481⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
fsociety2.exe
image.jpg
memory/4148-18-0x00000000058F0000-0x0000000005908000-memory.dmp
memory/4148-24-0x0000000005C30000-0x0000000005CA6000-memory.dmp
memory/4148-16-0x0000000005930000-0x0000000005ABE000-memory.dmp
memory/4148-21-0x0000000005B00000-0x0000000005B22000-memory.dmp
memory/4148-23-0x0000000005B70000-0x0000000005B8E000-memory.dmp
memory/4148-22-0x00000000060E0000-0x000000000669A000-memory.dmp
memory/4148-20-0x0000000005AD0000-0x0000000005AF6000-memory.dmp
memory/4148-19-0x0000000005910000-0x0000000005920000-memory.dmp
memory/4148-15-0x0000000000A20000-0x0000000000E30000-memory.dmp
memory/4148-17-0x00000000058D0000-0x00000000058EA000-memory.dmp
memory/4148-26-0x0000000005C10000-0x0000000005C2E000-memory.dmp
memory/4148-27-0x0000000006080000-0x0000000006096000-memory.dmp
memory/4148-28-0x00000000060A0000-0x00000000060AE000-memory.dmp
memory/4148-30-0x00000000060C0000-0x00000000060CA000-memory.dmp
memory/4148-29-0x00000000060B0000-0x00000000060BA000-memory.dmp
memory/4148-31-0x00000000066A0000-0x00000000066B0000-memory.dmp
memory/4148-32-0x0000000006B80000-0x0000000006B88000-memory.dmp
memory/4148-33-0x0000000006DE0000-0x0000000006DEA000-memory.dmp
memory/4148-34-0x0000000006DF0000-0x0000000006EA2000-memory.dmp
memory/4148-35-0x0000000007A80000-0x0000000007AA2000-memory.dmp