Managed XDR

pg_320_mpi-srl_20240607_100526.xls (Agent Tesla) — malware analysis report

File info

Filename
pg_320_mpi-srl_20240607_100526.xls
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Name of Creating Application: Microsoft Excel, Create Time/Date: Sat Sep 16 00:00:00 2006, Last Saved Time/Date: Tue Jul 23 04:50:24 2024, Security: 1
File size
1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a7fb3d4e0a71bc522df5334d1d2efb92207f1065
SHA256
5080e38aaf9a00af84a5baf06d1eeb1881dd24a389ff719add6b7b650d1ddaea
MD5
f75d330398f3c1726675357616731264

Malwares

  • Agent Tesla

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1059 suspicious_process: Spawns a suspicious process
T1059.001 suspicious_process: Spawns a suspicious process
T1064 office_macros: The document contains macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

Privilege Escalation

T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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

T1064 office_macros: The document contains macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1135 server_share_info: Retrieves information about each shared resource on a server
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
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
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
creates_doc: Creates (office) documents in the file system
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

Related reports