Managed XDR

40870000 (CloudEyE) — malware analysis report

File info

Filename
40870000
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Name of Creating Application: Microsoft Excel, Create Time/Date: Sat Sep 16 00:00:00 2006, Last Saved Time/Date: Mon May 20 09:20:58 2024, Security: 1
File size
293 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
6556a4e126ed64063e668d37e2374305070c47d5
SHA256
712ab0e1a7e40f24ead8b998cf8cc6693927e9a73d3fd97c2b78f6b6e1f79bd8
MD5
92ed25234f47c4e7a9403472f1f17dec

Malwares

  • CloudEyE

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1064 office_macros: The document contains macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Credential Access

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

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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

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 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

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
suricata_alert: Malicious traffic detected
suspicious_process_network: Unusual process network activity detected
suspicious_process: Spawns a suspicious process
unnamed_region_exception_handler: Creates an exception handler in an unnamed region
unexpected_exception: Unexpected exception
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call

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