Managed XDR

c-users-user-desktop-po-54789.doc-copy (Emotet) — malware analysis report

File info

Filename
c-users-user-desktop-po-54789.doc-copy
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: cobalt, Template: Normal, Last Saved By: george, Revision Number: 9, Name of Creating Application: Microsoft Office Word, Total Editing Time: 09:00, Create Time/Date: Tue Jan 29 17:10:00 2019, Last Saved Time/Date: Wed Oct 30 19:04:00 2024, Number of Pages: 1, Number of Words: 11, Number of Characters: 64, Security: 0
File size
169 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
2e405c9337d78e78be54b156fcb75e4dbef1096c
SHA256
e657fdcdac529f04d1b714147b1b779e6cf247eef4f93ddcc0318646a348e2b6
MD5
dbc7a227bb62b9260e0ec5779976ee8c

Malwares

  • Emotet

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 office_write_exe: Office document dropped an executable file
T1559.001 com_exec: Execution of Win32_Process.Create COM Method
T1059.001 suspicious_process: Spawns a suspicious process
T1204.002 office_wmi_load: Microsoft Office loads WMI DLL files (WMI usage indicator in macros)
T1059.003 suspicious_batch: Suspicious batch
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Persistence

T1037 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1037 persistence_autorun: Makes itself run automatically on Windows startup
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

T1036 copies_utilities: Copies and runs system utility with different name
T1027 office_macros_hex_strings: Lines in hex found in document macro
T1140 unpacking_utilities: Uses Windows utilities to unpack data
T1497 debugs_self: Creates a process and debugs it
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 macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497 debugs_self: Creates a process and debugs it

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
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
checktokenmembership: Checks user token with CheckTokenMembership call
regsvr_scriptlet_ex: Uses regsvr32 for scriptlet execution, perhaps for AWL bypass

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