Managed XDR

vtdl_ne0px8bh (FormBookFormgrabber) — malware analysis report

File info

Filename
vtdl_ne0px8bh
File type
Microsoft Excel 2007+
File size
672 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7956777362b38d2cf93b4950d742f91634f533b3
SHA256
e8e1bb30718d69a9cc0cef49255dd7d6a27a633ee8d31c142f7a6cb103ff8125
MD5
e6a63606ae2875873fac1edea8ec9ebd

Malwares

  • FormBookFormgrabber

Signatures

Execution

T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)

Persistence

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

Privilege Escalation

T1055 injection_runpe_2: Executes injected code in another process
T1055.012 injection_runpe: Injects code into another process
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1055 injection_runpe_2: Executes injected code in another process
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Credential Access

T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

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 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
suspicious_process: Spawns a suspicious process
unexpected_exception: Unexpected exception
process_crashed: One of the processes has failed
get_memory_status: Gets information about the virtual and physical memory of the system
creates_in_programdata: Creates files in the ProgramData directory
get_sid_domain: Get user's SID
get_username: Gets username
test_check_service: Starts services
create_rpc_bindings: Creates RPC connection
checktokenmembership: Checks user token with CheckTokenMembership call

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