Managed XDR

dll-artifact-ransom.zip (Lockbit) — malware analysis report

File info

Filename
dll-artifact-ransom.zip
File type
Zip archive data, at least v2.0 to extract
File size
3 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
f3fb08354351958c65a257bb6174825670ace150
SHA256
4ecedb2583c9524444f54c22431237b545ea9825ced5415ceee28f3f694565db
MD5
5f24740cb839e6e558cef69ec126d76a

Malwares

  • Lockbit

Signatures

Execution

T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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
T1480 system_default_lang_id_present: Checks the system language
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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1082 has_wmi: Executes one or several WMI requests
T1057 has_wmi: Executes one or several WMI requests
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

Command and Control

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

Other

yara_rules: Static rules
static_pe_anomaly: The PE file structure contains anomalies
network_bind: Starts servers listening at None
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
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
many_files_in_archive: The archive contains more than 5 files

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