Managed XDR

whatsapp-masivo-8.2023.1203_.xlsm — malware analysis report

File info

Filename
whatsapp-masivo-8.2023.1203_.xlsm
File type
Zip archive data, at least v2.0 to extract
File size
3.7 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
53ecb007b5f58d0ba74b59f14454fead911e21ea
SHA256
6cfb5bc3f7103d83433bd94661deeae59f59ab95579839cf0140ea0beff8ae2e
MD5
a572378c2dab086c167b3671f6ca0079

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1064 office_macros_suspicious: Document contains suspicious macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)
T1064 office_macros: The document contains macroses (total: 14)
T1064 office_macros_autoexec: The document contains an auto-start macro

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1027 office_macros_entropy: The document contains a macro with high entropy (a possible sign of obfuscation)
T1064 office_macros_suspicious: Document contains suspicious macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1064 office_macros: The document contains macroses (total: 14)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

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

Other

creates_exe: Creates executable files in the file system
break_limit_exceeded: Warning: function calls limit has been exceeded
test_check_service: Starts services
office_links: Office file contains external links
writes_data: Writes big amount of data to disk
Managed XDR