Managed XDR

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

File info

Filename
c-users-user-desktop-attachment.doc-copy
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Title: Berkshire, Subject: multi-byte, Keywords: Avon, Comments: Euro, Template: Normal, Revision Number: 1, Name of Creating Application: Microsoft Office Word, Create Time/Date: Tue Oct 15 08:32:00 2019, Last Saved Time/Date: Tue Nov 5 07:59:00 2024, Number of Pages: 1, Number of Words: 30, Number of Characters: 176, Security: 0
File size
234.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
cf948b4cebf5f797940eb4d2b383d86873fd6dc5
SHA256
7ed730f4783a7faa2e060036b22cc8adb99048755906b311ed0d03b4ebc19094
MD5
b8344e50a0ed249a0f450da3a4cb6553

Malwares

  • Emotet

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
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)
T1064 office_macros_suspicious: Document contains suspicious macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

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 debugs_self: Creates a process and debugs it
T1064 office_macros_suspicious: Document contains suspicious 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
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1497 debugs_self: Creates a process and debugs it

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1568.002 dga_domains: Connects to DGA domains
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
create_rpc_bindings: Creates RPC connection
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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