Managed XDR

vtdl_7zj68ltf (Agent Tesla) — malware analysis report

File info

Filename
vtdl_7zj68ltf
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: Thu Dec 8 08:38:36 2022, Security: 0
File size
267 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
b97a01161c15e7462b13f5d65170c19984ecef0b
SHA256
59c1ab21cdd58b8a8d9b4cdf0b8342a874863f16b5870e1db9dd2c1423e91aa8
MD5
6071443d52fc119af0d876a05c83dbba

Malwares

  • Agent Tesla

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 macroses (total: 3)

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges

Defense Evasion

T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1218 bypass_dev_utils: Executing .NET utility in a suspended state, potentially for injection
T1218 suspicious_path_cmdline: Starts process with suspicious command line
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1064 office_macros: The document contains macroses (total: 3)

Discovery

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
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

Impact

T1565 modifies_hostfile: Writes data to system hosts file

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
suspicious_process_network: Unusual process network activity detected
suspicious_process: Spawns a suspicious process
unexpected_exception: Unexpected exception
get_memory_status: Gets information about the virtual and physical memory of the system
break_limit_exceeded: Warning: function calls limit has been exceeded
office_summary: The document contains suspicious metadata
get_sid_domain: Get user's SID
get_username: Gets username
test_check_service: Starts services
create_rpc_bindings: Creates RPC connection

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