Managed XDR

virusshare_bcfcf7492bf...7fe89128eba138479.docx (Cobalt Strike) — malware analysis report

File info

Filename
virusshare_bcfcf7492bfeb307fe89128eba138479.docx
File type
Zip archive data, at least v2.0 to extract
File size
2.3 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
9254c0c8ddd7e7f25fdbcb0abbd49081611df960
SHA256
09efb9bffd1a37be31e0ca3506a96cfde84a9ad0b8a70f6a7770401049012719
MD5
eee6a77f558be2600e6bbf9a114f0fad

Malwares

  • Cobalt Strike

Signatures

Execution

T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

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_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

Other

yara_rules: Static rules
cobaltstrike_loader: CobaltStrike loader is detected
office_embedded: Office document contains embedded executable file(s)
executes_dropped_exe: Executes dropped exe files
creates_suspended_process: Creates suspended process
test_check_service: Starts services

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