Managed XDR

attachment.xls — malware analysis report

File info

Filename
attachment.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1254, Author: Microsoft, Last Saved By: Microsoft, Name of Creating Application: Microsoft Excel, Create Time/Date: Tue Jun 28 05:22:11 2022, Last Saved Time/Date: Tue Jun 28 05:22:13 2022, Security: 0
File size
41 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
197dbfa66399d0785cf3baaf67698ba8c44fbc4d
SHA256
7f0535744915d1effc9e7e4f3906aea1c2e6f981183e2489a042cf3bd0c60666
MD5
e3030c2844c747ecc5bef4f200c523a7

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)
T1059.001 suspicious_process: Spawns a suspicious process
T1064 office_macros: The document contains macroses (total: 3)
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL

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

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: 3)
T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
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

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

T1102.003 cloud_github: Connects to cloud services of Github (potentially for malicious payload delivery)

Other

creates_exe: Creates executable files in the file system
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
suricata_alert: Malicious traffic detected