Managed XDR

blackcatransomware.rar (ALPHV) — malware analysis report

File info

Filename
blackcatransomware.rar
File type
RAR archive data, vb0, flags: Locked, Authenticated,
File size
1.3 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
368dec2edaaadaaafd1f8dd3789f091caa8f625f
SHA256
8c588b92ed3da59b2395d377b550b3fd0f39fbfb3f19cdef2a5df2661e0a1079
MD5
05fdb5c16bc4227795cc56ddca954b75

Malwares

  • ALPHV

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
T1134 opens_process_token: Opens the access token associated with a process
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

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
ce_info: Blackcat Configuration Data found
network_bind: Starts servers listening at None
only_exec_in_archive: The archive contains only an executable file
no_graphical_activity: No graphic activity
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

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