Managed XDR

winlogon.exe — malware analysis report

File info

Filename
winlogon.exe
File type
MS-DOS executable
File size
320.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e64a63df4186a24b4b1a995bda93934f0b40783f
SHA256
376cd4c1e8d87187e9c66ca2688c8c372970374d71a4705580247fc81f94f2fd
MD5
547eab90679c32340c3015e0040a415f

Signatures

Privilege Escalation

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1036 system_filename: Created a file named as a common system file
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_vb: The executable file is packed using VB
T1480 system_default_lang_id_present: Checks the system language

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
static_pe_anomaly: The PE file structure contains anomalies
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
suspicious_process: Spawns a suspicious process
unexpected_exception: Unexpected exception
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
no_graphical_activity: No graphic activity
break_limit_exceeded: Warning: function calls limit has been exceeded
pe_overlay: PE file contains overlay