Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20251015-en - resource tags
arch:x64arch:x86image:win11-20251015-enlocale:en-usos:windows11-21h2-x64system - submitted
12/12/2025, 11:18
Behavioral task
behavioral1
Sample
sample.exe
Resource
win10v2004-20251211-en
14 signatures
150 seconds
General
- Target sample.exe
- Size 524KB
- Sample251212-necsvszpgm
- 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
- Detects Macoute worm 6 IoCs
resource yara_rule behavioral2/memory/3744-0-0x0000000000400000-0x00000000004BF000-memory.dmp family_macoute behavioral2/memory/3744-1-0x0000000000400000-0x00000000004BF000-memory.dmp family_macoute behavioral2/files/0x001a00000002b125-6.dat family_macoute behavioral2/memory/3744-11-0x0000000000400000-0x00000000004BF000-memory.dmp family_macoute behavioral2/memory/3124-12-0x0000000000400000-0x00000000004BF000-memory.dmp family_macoute behavioral2/memory/3124-13-0x0000000000400000-0x00000000004BF000-memory.dmp family_macoute - Macoute family
- Executes dropped EXE 1 IoCs
pid Process 3124 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" sample.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) \??\b: msn.exe File opened (read-only) \??\i: msn.exe File opened (read-only) \??\p: msn.exe File opened (read-only) \??\r: msn.exe File opened (read-only) \??\u: msn.exe File opened (read-only) \??\v: msn.exe File opened (read-only) \??\z: msn.exe File opened (read-only) \??\g: msn.exe File opened (read-only) \??\h: msn.exe File opened (read-only) \??\j: msn.exe File opened (read-only) \??\l: msn.exe File opened (read-only) \??\q: msn.exe File opened (read-only) \??\k: msn.exe File opened (read-only) \??\m: msn.exe File opened (read-only) \??\n: msn.exe File opened (read-only) \??\o: msn.exe File opened (read-only) \??\s: msn.exe File opened (read-only) \??\t: msn.exe File opened (read-only) \??\w: msn.exe File opened (read-only) \??\x: msn.exe File opened (read-only) \??\a: msn.exe File opened (read-only) \??\e: msn.exe File opened (read-only) \??\y: msn.exe - Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\win sample.exe File created C:\Program Files (x86)\win\msn.exe sample.exe File opened for modification C:\Program Files (x86)\win\msn.exe sample.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 sample.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msn.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1912098173-3310702793-1420386224-1000\Software\Microsoft\Internet Explorer\IntelliForms\Storage2 msn.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3124 msn.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3744 wrote to memory of 3124 3744 sample.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.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:3744 -
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
PID:3124
-
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