Managed XDR

rev-shell-x64-0001-no-...ncryption-pure-vba.doc — malware analysis report

File info

Filename
rev-shell-x64-0001-no-stomp-no-encryption-pure-vba.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: zerozero, Template: Normal.dotm, Last Saved By: zerozero, Revision Number: 1, Name of Creating Application: Microsoft Office Word, Total Editing Time: 02:00, Create Time/Date: Mon Oct 17 10:51:00 2022, Last Saved Time/Date: Mon Oct 17 10:53:00 2022, Number of Pages: 1, Number of Words: 0, Number of Characters: 0, Security: 0
File size
35.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6a6897aa8f3379035c9d45b9a86de19b641fb60b
SHA256
796f1a169a38a10efec3ae55e26565b4659883786979b0247482620f12608b35
MD5
de5b9e9db4f2f1ecd59132459b2d2ee5

Signatures

Execution

T1203 office_exploit_crash: Microsoft Office process crashes (failed exploitation of a vulnerability is possible)
T1203 office_start_thread: Allocates memory and starts a thread inside an office application
T1064 office_macros_suspicious: Document contains suspicious macro
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_suspicious: Document contains suspicious macro
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
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