Managed XDR

spreadsheet.xls — malware analysis report

File info

Filename
spreadsheet.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.0, Code page: 1251, Name of Creating Application: Microsoft Excel, Last Printed: Fri Jan 20 19:12:13 2006, Create Time/Date: Tue Nov 5 10:16:36 1996, Last Saved Time/Date: Tue Aug 8 06:15:25 2017, Security: 0
File size
75.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
647091fd11dfe717ebe1452bae3b8b6442a6b8f6
SHA256
865debb17c827c06988e92f0e96e3ed34e0e3d3d8b982a13ffb8218f47170f35
MD5
56037a29d83db5294c44143eb654e35b

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros_suspicious: Document contains suspicious macro
T1059.001 suspicious_process: Spawns a suspicious process
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1059.003 url_cmdline: Cmdline of process contains URL
T1064 office_macros: The document contains macroses (total: 4)
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
T1027 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1064 office_macros: The document contains macroses (total: 4)
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

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
create_process_failed: Could not start the process
dead_link: Attempts to run a file from a dead or blocked URL
suricata_alert: Malicious traffic detected
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
office_summary: The document contains suspicious metadata
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card