Managed XDR

vtdl_uy8okyz3 (FormBookFormgrabber) — malware analysis report

File info

Filename
vtdl_uy8okyz3
File type
SMTP mail, ASCII text
File size
869.6 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
e549aa0a9b6b49d28bfe44002673cd244a505808
SHA256
3935227a43005e1bac2b02a324605f04776df9f0016c1f7e340bccb364116f36
MD5
4dae6584a7f459c3b9020fa8ee1877f1

Malwares

  • FormBookFormgrabber

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

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 injection_runpe_2: Executes injected code in another process
T1055.012 injection_runpe: Injects code into another process
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

Defense Evasion

T1055.002 inject_write_pe: Writes PE file to another process's memory
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
T1036 mimics_extension: Attempts to mimic the file extension
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
T1070 stealth_window: A process created a hidden window

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_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
no_graphical_activity: No graphic activity
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
dotnet_suspicious_module_name: Dotnet program has suspicious module name
creates_suspended_process: Creates suspended process
test_check_service: Starts services

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