Managed XDR

ff2ea3770e81afd0027ec5...dcc0df58ec28c50e1a.eml (FormBookFormgrabber) — malware analysis report

File info

Filename
ff2ea3770e81afd0027ec5925edd48501bca5b61ee9fdadcc0df58ec28c50e1a.eml
File type
HTML document, ASCII text, with very long lines, with CRLF line terminators
File size
935.1 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
4e730e7b50a19103f2a60996e0f1e816da84baeb
SHA256
5f137c7106f802ce3b817b50a59a40ea18a8fb4179e2a617690d327dfddeee62
MD5
90d734ac13918d0bf6700177f5bc0ce7

Malwares

  • FormBookFormgrabber

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
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 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
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1497 manual_ntdll_load: Creates copy of ntdll.dll in memory
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
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
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
T1055 injection_failed: The attempt to inject into a process has failed
T1070 stealth_window: A process created a hidden window

Discovery

T1497 manual_ntdll_load: Creates copy of ntdll.dll in memory
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

steganographic_png: Possible malicious steganographic PNG
yara_rules: Static rules
unpacker_wrong_base: Possibly, an error occured in the file unpacker
create_rpc_bindings: Creates RPC connection
dotnet_suspicious_module_name: Dotnet program has suspicious module name
creates_suspended_process: Creates suspended process
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay

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