Analysis
- max time kernel
148s - max time network
118s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
10/09/2026, 02:38
General
- Target jaffacakes118_MCS Converter.exe
- Size 6.3MB
- Sample260910-c4xc1svamb
- SHA256 ea649d18b1d3803b1543beab5db272907f60478fe94f8edbbcf4c467006d233d
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- UPX packed file 14 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 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 12 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\jaffacakes118_MCS Converter.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_MCS Converter.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Secure-Soft Stealer\Update.exe"C:\Users\Admin\AppData\Roaming\Secure-Soft Stealer\Update.exe"2⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Update.exe
memory/1036-0-0x0000000000400000-0x0000000000612000-memory.dmp
memory/1036-1-0x0000000000611000-0x0000000000612000-memory.dmp
memory/1036-3-0x0000000000400000-0x0000000000612000-memory.dmp
memory/1036-4-0x0000000000400000-0x0000000000612000-memory.dmp
memory/1036-16-0x0000000000400000-0x0000000000612000-memory.dmp
memory/3396-14-0x0000000000400000-0x0000000000612000-memory.dmp
memory/3396-15-0x0000000000400000-0x0000000000612000-memory.dmp
memory/3396-13-0x0000000000400000-0x0000000000612000-memory.dmp
memory/3396-17-0x0000000010000000-0x000000001005A000-memory.dmp
memory/3396-18-0x0000000010000000-0x000000001005A000-memory.dmp
memory/3396-19-0x0000000000400000-0x0000000000612000-memory.dmp
memory/3396-20-0x0000000000400000-0x0000000000612000-memory.dmp
memory/3396-23-0x0000000000400000-0x0000000000612000-memory.dmp
memory/3396-25-0x0000000000400000-0x0000000000612000-memory.dmp