Managed XDR

rev-shell-x64-0001-stomping-fin.doc — malware analysis report

File info

Filename
rev-shell-x64-0001-stomping-fin.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: 2, Name of Creating Application: Microsoft Office Word, Total Editing Time: 02:00, Create Time/Date: Mon Oct 17 10:01:00 2022, Last Saved Time/Date: Mon Oct 17 10:03:00 2022, Number of Pages: 1, Number of Words: 2, Number of Characters: 12, Security: 0
File size
39.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6d153d319ea91234d385c6222c11676dd7e8bf47
SHA256
657e2bef082a4f516309f3022b1695dc991556f9f2fe35a7883680c0fdbc3aee
MD5
842200aa93d23d8940c0e90fff3b7675

Signatures

Execution

T1064 office_macros_nulled: The document contains a macro with removed source code
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 2)
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_nulled: The document contains a macro with removed source code
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_autoexec: The document contains an auto-start macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

Other

yara_rules: Static rules
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