Managed XDR

c-windows-wpbsx.exe (Stealc) — malware analysis report

File info

Filename
c-windows-wpbsx.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
204 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
21e956dcf03cd9ec4c38c4dde22e20583a9ed10c
SHA256
f8d6552af1bdb44f5c2418213c5638a3d89aa423a0d8e95bb01d0efbbb3a9381
MD5
a4c2ebce9bc7d940c80aef9985571144

Malwares

  • Stealc

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1480 system_default_lang_id_present: Checks the system language
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
network_bind: Starts servers listening at None
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
break_limit_exceeded: Warning: function calls limit has been exceeded
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

Related reports