Analysis
- max time kernel
144s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20250410-en - resource tags
- submitted
24/04/2025, 14:39
General
- Target msn.exe
- Size 524KB
- Sample250424-r1c8astvbz
- SHA256 6f10fa3bdb3bfcf6c52c23d31808f365701b433987841cf12c65c577f0977c13
Malware Config
Extracted
-
macoute
-
87.98.185.184
Signatures
- Macoute
Macoute is a Windows worm.
- Macoute family
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Drops file in Program Files directory 3 IoCs
- 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.
- Modifies Internet Explorer settings 1 TTPs 1 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\msn.exe"C:\Users\Admin\AppData\Local\Temp\msn.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Program Files (x86)\win\msn.exe"C:\Program Files (x86)\win\msn.exe"2⤵
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Program Files (x86)\win\msn.exe1⤵
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
msn.exe
memory/3316-12-0x0000000000400000-0x00000000004BF000-memory.dmp
memory/3316-13-0x0000000000400000-0x00000000004BF000-memory.dmp
memory/3552-0-0x0000000000400000-0x00000000004BF000-memory.dmp
memory/3552-1-0x0000000000400000-0x00000000004BF000-memory.dmp
memory/3552-11-0x0000000000400000-0x00000000004BF000-memory.dmp