Managed XDR

vtdl_1789889609_uk82fxok (Stealc, Mars Stealer) — malware analysis report

File info

Filename
vtdl_1789889609_uk82fxok
File type
Zip archive data, at least v2.0 to extract
File size
185.9 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
3eb54ed0eddaf5ec6553b87be21813e9af9a4492
SHA256
d3e3cb7c13651f7169aa151a8aa4f9dcccb81452cae4599d1c15da0ed17edd9d
MD5
cafa1b5fbb844eaa29a744890f2bf7ff

Malwares

  • Stealc
  • Mars Stealer

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
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
only_exec_in_archive: The archive contains only an executable file
has_pdb: This executable file has a PDB path
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

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