Managed XDR

vtdl_isg1738h (FormBookFormgrabber) — malware analysis report

File info

Filename
vtdl_isg1738h
File type
RFC 822 mail, ASCII text, with CRLF line terminators
File size
859.8 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
8b2733e2d2387e5431dc749943ec0dd03b15ee6f
SHA256
51eba78fff4882827008d90bf95453d845a1cb6ce55dd461e4dd517a88b9b993
MD5
582bcc76edca33861dab7dc25aa6d670

Malwares

  • FormBookFormgrabber

Signatures

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another 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

Defense Evasion

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1036 mimics_extension: Attempts to mimic the file extension
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
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Discovery

T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
dotnet_dropper: Dotnet program is possibly a dropper
static_pe_anomaly: The PE file structure contains anomalies
pe_in_bcryptdecrypt: PE found in BCryptDecrypt function
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
dotnet_obfuscated: Dotnet program is potentially obfuscated
test_check_service: Starts services
dotnet_use_suspicious_functions: Dotnet program potentially uses suspicious functions/modules
pe_overlay: PE file contains overlay
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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