Managed XDR

240515-bctt-du-toan-bv...an-7.-kc-than-bt4.xlsm — malware analysis report

File info

Filename
240515-bctt-du-toan-bv-2.-bang-th-va-du-toan-chi-tiet-du-toan-ha-tien-2.5.2024-sua-tt-dt-khu-biet-thu-3.-ket-cau-than-7.-kc-than-bt4.xlsm
File type
Microsoft Excel 2007+
File size
570.4 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6b73d1b0e60e6bf81c53bc186ba4c1f25b632258
SHA256
43d18a3aad93253795f494f11b47dce394cc4a6b64f9381544ff4896a3fe1afa
MD5
d2a75f44e583e30ccf5d0a3acf95085e

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

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

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

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

Other

yara_rules: Static rules
create_rpc_bindings: Creates RPC connection
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