Managed XDR

c-windows-591wxm.exe (BlackMatter, Lockbit) — malware analysis report

File info

Filename
c-windows-591wxm.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
5 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
91591adf0932b26752f047332d1ecfa2df632b50
SHA256
39a0d65704ec87db105f0ace0b42d1ad566bbdc06ed431e24d82a79aae0df404
MD5
485cbe99cbb28af401f27b5c77db96de

Malwares

  • BlackMatter
  • Lockbit

Signatures

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 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 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
network_bind: Starts servers listening at None
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
pe_overlay: PE file contains overlay

Related reports

Managed XDR