Analysis
- max time kernel
143s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
- submitted
21/01/2025, 17:31
General
- Target JaffaCakes118_064efdf7c9d0c6a3409f901f04bcfd5f.exe
- Size 2.5MB
- Sample250121-v3qsysvlbt
- SHA256 e2c58e0fa8956237e61a82583672dbdab5552532c3dfa198067ff711b3af2d18
Malware Config
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- UPX packed file 3 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 use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_064efdf7c9d0c6a3409f901f04bcfd5f.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_064efdf7c9d0c6a3409f901f04bcfd5f.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Crypted.exe"C:\Users\Admin\AppData\Local\Temp\Crypted.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\fly.exe"C:\Users\Admin\AppData\Roaming\fly.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Crypted.exe
fly.exe
memory/3164-3-0x000000001BDA0000-0x000000001C26E000-memory.dmp
memory/3164-0-0x00007FFCCA625000-0x00007FFCCA626000-memory.dmp
memory/3164-4-0x000000001C380000-0x000000001C41C000-memory.dmp
memory/3164-5-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp
memory/3164-6-0x00000000014C0000-0x00000000014C8000-memory.dmp
memory/3164-7-0x000000001C4E0000-0x000000001C52C000-memory.dmp
memory/3164-8-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp
memory/3164-2-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp
memory/3164-18-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp
memory/3164-1-0x000000001B800000-0x000000001B8A6000-memory.dmp
memory/3180-27-0x0000000000400000-0x0000000000680000-memory.dmp
memory/3180-30-0x0000000000400000-0x0000000000680000-memory.dmp