Managed XDR

pwsh.doc — malware analysis report

File info

Filename
pwsh.doc
File type
Microsoft Word 2007+
File size
26.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
eea73ab3cb189cf36dafb4ac823f74818be8c81a
SHA256
0fcb89074c1fb5489974d5e8e0cf3bf1f245642d51d247197da969f9c19a0198
MD5
44979ce34e5b83c9bc355d4c6c79f5a1

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059.001 suspicious_process: Spawns a suspicious process
T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL
T1064 office_macros: The document contains macro
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: The document contains macro
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
T1070 stealth_window: A process created a hidden window

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
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1102.003 references_github: Contains links to cloud services of Github (potentially for malicious payload delivery)

Other

yara_rules: Static rules
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call