Managed XDR

nodcerta.doc (Emotet) — malware analysis report

File info

Filename
nodcerta.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Title: Certificado de Retenciones e ingresos a cuenta del Impuesto sobre la Renta de las Personas Fsicas, Author: Jordi Floriach Salmern, Template: Normal.dotm, Last Saved By: Jordi Floriach Salmern, Revision Number: 4, Name of Creating Application: Microsoft Office Word, Total Editing Time: 04:00, Last Printed: Tue Feb 7 08:05:00 2017, Create Time/Date: Tue Feb 7 07:51:00 2017, Last Saved Time/Date: Tue Sep 5 11:49:00 2017, Number of Pages: 1, Number of Words: 575, Number of Characters: 3168, Security: 0
File size
158.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
875d6fa268f57957b318992e14f6e26aea7957c6
SHA256
c0e5cc05f4ba562c84da5d555ded67764a3162aba756cfe072e596be86522b0f
MD5
985bbd34f85ea1eb6b2922198c013411

Malwares

  • Emotet

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

Credential Access

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

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
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
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
create_rpc_bindings: Creates RPC connection
error_drawtext: An error occured while executing the file
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

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