Managed XDR

c-users-user-desktop-readme.docm-copy (BluStealer) — malware analysis report

File info

Filename
c-users-user-desktop-readme.docm-copy
File type
Microsoft Word 2007+
File size
39.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
7e8a3631fcc0ca708c0f4f27b26dd40af46b7593
SHA256
466b300745fac73e5263e175fe7130eb54c486785d42bb455b69cff810ed03b9
MD5
9693479249077ef560a1cc9606e90fb6

Malwares

  • BluStealer

Signatures

Execution

T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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

T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro
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

T1518 locates_browser: Attempts to identify where browsers are installed
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

suricata_alert: Malicious traffic detected
test_check_service: Starts services
yara_rules: Static rules

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