Managed XDR

payment-advice-advice-...ref_-u-3april2904-.eml (Agent Tesla) — malware analysis report

File info

Filename
payment-advice-advice-ref_-a29pffm66g6b-in-_-priority-payment-_-customer-ref_-u-3april2904-.eml
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
1.1 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
4e46dc966019b3bac86b85af13482c82bef317a3
SHA256
0db2d321f8ae482bc22fcf7aac18ebe46139302524041e50ba3530dd78e90f8a
MD5
b7c7afe2495787c3ddbe50647578a432

Malwares

  • Agent Tesla

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1064 office_macros: The document contains macro
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)

Privilege Escalation

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.002 inject_write_pe: Writes PE file to another process's memory
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
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1564.004 removes_zoneid_ads: Attempts to hide the indications that the file was downloaded from the Internet
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1064 office_macros: The document contains macro
T1055 injection_failed: The attempt to inject into a process has failed

Discovery

T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1083 checks_recent_files: Attempt to check recently opened files through registry

Command and Control

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

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
unpacker_wrong_base: Possibly, an error occured in the file unpacker
pe_in_bcryptdecrypt: PE found in BCryptDecrypt function
multiple_useragents: Uses more than one unique User-Agent
copies_self: Creates a copy of itself
page_noaccess: Disables access to a memory region
suspicious_process_network: Unusual process network activity detected
creates_doc: Creates (office) documents in the file system
suspicious_process: Spawns a suspicious process
unexpected_exception: Unexpected exception
office_summary: The document contains suspicious metadata
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
creates_suspended_process: Creates suspended process
dotnet_obfuscated: Dotnet program is potentially obfuscated
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
suricata_alert: Malicious traffic detected

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