Managed XDR

bac_453628q.xls — malware analysis report

File info

Filename
bac_453628q.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1251, Author: KVBGuhcvk, Last Saved By: KVBGuhcvk, Name of Creating Application: Microsoft Excel, Create Time/Date: Mon Nov 17 17:08:45 2014, Last Saved Time/Date: Thu Dec 4 19:47:18 2014, Security: 0
File size
253 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
3f4f595d88d47df34ab5600ed51a2fcaae14f02c
SHA256
bf32bda80bc739432765338f7d0ccd5a0fcbbef954ea0e41bc7be8da11d90f92
MD5
e0ee3027a7cbd0164365fbfbfd24a0ef

Signatures

Execution

T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros_suspicious: Document contains suspicious macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

Defense Evasion

T1027 office_macros_hex_strings: Lines in hex found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1064 office_macros: The document contains macroses (total: 4)
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

dead_host: Connects to IP addresses that do not respond to requests
office_summary: The document contains suspicious metadata
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services
writes_data: Writes big amount of data to disk
yara_rules: Static rules