Managed XDR

werkhau2.doc — malware analysis report

File info

Filename
werkhau2.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 4.10, Code page: 1252, Author: Atelier fr, Template: Normal.dot, Last Saved By: Edith Khnle, Revision Number: 2, Name of Creating Application: Microsoft Word 8.0, Last Printed: Thu Mar 30 04:39:00 2000, Create Time/Date: Thu Mar 29 08:42:00 1900, Last Saved Time/Date: Thu Mar 30 04:41:00 2000, Number of Pages: 2, Number of Words: 406, Number of Characters: 2319, Security: 0
File size
44 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
209f18415b5d1f0929bc95e7856a684965e3674c
SHA256
0763b5d9174056e9f3cb3fece062860f54152a8fe9a42b76d3cf17d6fcecb844
MD5
72ea3e36b0f0cac913b3a892cdb1685a

Signatures

Execution

T1559 suspicious_process: Spawns a suspicious process
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_strings: Feature lines found in document 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_suspicious: Document contains suspicious macro
T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
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
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server

Other

yara_rules: Static rules
create_process_failed: Could not start the process
dead_host: Connects to IP addresses that do not respond to requests
unsigned_driver_drop: Sample is not signed and drops a device driver
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call