Analysis
- max time kernel
144s - max time network
155s - platform
windows11-21h2_x64 - resource
win11-20250410-en - resource tags
arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system - submitted
24/04/2025, 14:39
Behavioral task
behavioral1
Sample
msn.exe
Resource
win10v2004-20250410-en
13 signatures
150 seconds
General
- Target msn.exe
- Size 524KB
- Sample250424-r1c8astvbz
- SHA256 6f10fa3bdb3bfcf6c52c23d31808f365701b433987841cf12c65c577f0977c13
- MD5 1baa80c205c372a6c4698c5b0183346b
- SHA1 135791056070213f082edf033763c88719ac9107
- SHA512 33bf050066d8403be6386656d4131469685ced5e4ac05a9711783918b0fa349ff64417ac38599ea26ca567978d0934022d87f1a136e03981d4e8decd14cd9603
- SSDEEP 6144:yafsiuvAQ+tTm6cyERSiytj71cWE4jKS6v9afsiuQafsiuQafsium:PCvAQ+q6ctRt636WfjO6CtCtCm
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
macoute
C2
-
87.98.185.184
Signatures
- Macoute family
- Executes dropped EXE 1 IoCs
pid Process 5872 msn.exe - 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
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\apo5 = "C:\\Program Files (x86)\\win\\msn.exe" msn.exe - Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\k: msn.exe File opened (read-only) \??\l: msn.exe File opened (read-only) \??\m: msn.exe File opened (read-only) \??\o: msn.exe File opened (read-only) \??\q: msn.exe File opened (read-only) \??\e: msn.exe File opened (read-only) \??\g: msn.exe File opened (read-only) \??\r: msn.exe File opened (read-only) \??\s: msn.exe File opened (read-only) \??\v: msn.exe File opened (read-only) \??\w: msn.exe File opened (read-only) \??\y: msn.exe File opened (read-only) \??\z: msn.exe File opened (read-only) \??\a: msn.exe File opened (read-only) \??\t: msn.exe File opened (read-only) \??\u: msn.exe File opened (read-only) \??\x: msn.exe File opened (read-only) \??\b: msn.exe File opened (read-only) \??\n: msn.exe File opened (read-only) \??\p: msn.exe File opened (read-only) \??\h: msn.exe File opened (read-only) \??\i: msn.exe File opened (read-only) \??\j: msn.exe - Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\win\msn.exe msn.exe File opened for modification C:\Program Files (x86)\win msn.exe File created C:\Program Files (x86)\win\msn.exe msn.exe - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msn.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2627618461-2240074273-3604016983-1000\Software\Microsoft\Internet Explorer\IntelliForms\Storage2 msn.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4700 wrote to memory of 5872 4700 msn.exe 80 PID 4700 wrote to memory of 5872 4700 msn.exe 80 PID 4700 wrote to memory of 5872 4700 msn.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\msn.exe"C:\Users\Admin\AppData\Local\Temp\msn.exe"1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700 -
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
PID:5872
-
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Program Files (x86)\win\msn.exe1⤵PID:5600
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
- Path C:\Program Files (x86)\win\msn.exe
- Size 524KB
- SHA256 6f10fa3bdb3bfcf6c52c23d31808f365701b433987841cf12c65c577f0977c13
- MD5 1baa80c205c372a6c4698c5b0183346b
- SHA1 135791056070213f082edf033763c88719ac9107
- SHA512 33bf050066d8403be6386656d4131469685ced5e4ac05a9711783918b0fa349ff64417ac38599ea26ca567978d0934022d87f1a136e03981d4e8decd14cd9603
- SSDEEP 6144:yafsiuvAQ+tTm6cyERSiytj71cWE4jKS6v9afsiuQafsiuQafsium:PCvAQ+q6ctRt636WfjO6CtCtCm
- MD5 SHA1 SHA512 SSDEEP