Managed XDR

c-users-user-appdata-l...l41dehc.f2n-update.exe (Lockbit) — malware analysis report

File info

Filename
c-users-user-appdata-local-temp-el41dehc.f2n-update.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
142.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
a12003f029cc46f92432ed707cfc071057806544
SHA256
df6179384733b9eacd9dec84de988e63c4210df7ef444e19ee84ad472e964073
MD5
01423b2eb6a7a7f960c5909430b52d03

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 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
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
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
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

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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