Managed XDR

drop.doc (Emotet) — malware analysis report

File info

Filename
drop.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Template: Normal, Revision Number: 5, Name of Creating Application: Microsoft Office Word, Create Time/Date: Tue Aug 6 13:21:00 2024, Last Saved Time/Date: Tue Aug 6 13:21:00 2024, Number of Pages: 1, Number of Words: 0, Number of Characters: 0, Security: 0
File size
38 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f9ead3b8eccfaf067bcea5efa542ca3a8d19d220
SHA256
21c89393b676cb6484d117c5907c8bcd9dfa03602729a5908d55b9b189c54288
MD5
46b6846907d84fcfa1a1a0e894967148

Malwares

  • Emotet

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1559.001 com_exec: Execution of Win32_Process.Create COM Method
T1204.002 office_wmi_load: Microsoft Office loads WMI DLL files (WMI usage indicator in macros)
T1064 office_macros: The document contains macroses (total: 5)
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

T1027 office_macros_hex_strings: Lines in hex found in document 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
T1064 office_macros: The document contains macroses (total: 5)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1070 stealth_window: A process created a hidden window

Credential Access

T1555.003 cookie_files: Accesses cookie files
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

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
creates_exe: Creates executable files in the file system
create_process_failed: Could not start the process
office_summary: The document contains suspicious metadata
creates_suspended_process: Creates suspended process
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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