Managed XDR

relatorios2.doc (Emotet) — malware analysis report

File info

Filename
relatorios2.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Template: Normal.dotm, Revision Number: 3, Name of Creating Application: Microsoft Office Word, Create Time/Date: Wed Apr 3 15:25:00 2024, Last Saved Time/Date: Wed Apr 3 15:25:00 2024, Number of Pages: 1, Number of Words: 0, Number of Characters: 0, Security: 0
File size
37.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6a6add5b1c1592ccf1d06b3817c9183320adceff
SHA256
a2324fcfa34e6450b0ae8bd199c8867df606e8e8b104cea37aa77a90d41b4e7c
MD5
bfbd3e7cfbc87bc824840ed04c31ca7a

Malwares

  • Emotet

Signatures

Execution

T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros: The document contains macroses (total: 3)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204 office_mshtml_load: Microsoft Office loads MSHTML DLL files (indicator of ActiveX usage)
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

T1027 office_macros_hex_strings: Lines in hex found in document macro
T1070 stealth_window: A process created a hidden window
T1064 office_macros: The document contains macroses (total: 3)
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

T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
dead_host: Connects to IP addresses that do not respond to requests
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
checktokenmembership: Checks user token with CheckTokenMembership call

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