Managed XDR

vtdl_rexz1xm3 (FormBookFormgrabber) — malware analysis report

File info

Filename
vtdl_rexz1xm3
File type
RAR archive data, v5
File size
349.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a3f1ee654bbec1ead33b6fdcdbed6b000b7d39ac
SHA256
38fa7dbe647c6e42c3c5c3cbc28fafbd89c234bcbcff1f61b5b4087bdaee2ace
MD5
ba3cf60ac8e6d4441fcf06b1859d637f

Malwares

  • FormBookFormgrabber

Signatures

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
T1055 sets_debug_registers: Sets debug registers for a thread in a different 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
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_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1070 stealth_window: A process created a hidden window
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1027.002 nsis_archive: One of the packages is NSIS archive
T1480 system_default_lang_id_present: Checks the system language
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

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files
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 evasion_diskenum: Sandbox evasion using enumeration of partitions

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1115 checks_clipboard: Monitors clipboard data

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
multiple_useragents: Uses more than one unique User-Agent
creates_exe: Creates executable files in the file system
suspicious_process: Spawns a suspicious process
executes_dropped_exe: Executes dropped exe files
only_exec_in_archive: The archive contains only an executable file
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
suricata_alert: Malicious traffic detected

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