Managed XDR

autorecovery-save-of-cs.asd (Cobalt Strike) — malware analysis report

File info

Filename
autorecovery-save-of-cs.asd
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: whoami ., Template: Normal.dotm, Last Saved By: whoami ., Revision Number: 2, Name of Creating Application: Microsoft Office Word, Total Editing Time: 01:00, Create Time/Date: Sun Feb 23 09:09:00 2025, Last Saved Time/Date: Sun Feb 23 09:09:00 2025, Number of Pages: 1, Number of Words: 0, Number of Characters: 0, Security: 0
File size
45.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
cebf61c7d0908f43c60f5fd19fdf33c7b588be7d
SHA256
15c8ff93d53e7873e39c5018155353bfd58917270d45dba8ac9e4ccc008c8f38
MD5
97ac63199248918c0db1c2c553574ce3

Malwares

  • Cobalt Strike

Signatures

Execution

T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macro
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
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document 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

Discovery

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
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
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
checktokenmembership: Checks user token with CheckTokenMembership call

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