Managed XDR

re.xls — malware analysis report

File info

Filename
re.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Name of Creating Application: Microsoft Excel, Create Time/Date: Fri Jun 5 18:17:20 2015, Last Saved Time/Date: Sun Apr 30 12:28:48 2023, Security: 0
File size
5 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
79eaef973a6df77326f77fd6e9ac4a35e707cbbb
SHA256
35d138aeeab22ca5526c31352075a0d67fc19921dd1e4b6344f234f2d62e0d75
MD5
722f3a9de7aca6356a60e79555c23ba4

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1064 office_macros: The document contains macroses (total: 5)
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)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1497.001 antivm_generic_system: Checks the system manufacturer, possibly for anti-virtualization
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Discovery

T1497.001 antivm_generic_system: Checks the system manufacturer, possibly for anti-virtualization
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Command and Control

T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

creates_exe: Creates executable files in the file system
office_summary: The document contains suspicious metadata
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services
yara_rules: Static rules