Managed XDR

255d590335803fadbdbcaf...350a6f7703c620b2d7.eml (FormBookFormgrabber) — malware analysis report

File info

Filename
255d590335803fadbdbcafc397e312eda34b6682c7becc350a6f7703c620b2d7.eml
File type
UTF-8 Unicode text, with very long lines, with CRLF line terminators
File size
904.9 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
b09a0df41345942e3a02a7915360344ce2c331da
SHA256
1a9e7bc368372c36d1e5ca2c44ba7135517ed529de6985a24f7aecd93b7a74fe
MD5
f2cc1fc0fa3688cbe51d087d205caf76

Malwares

  • FormBookFormgrabber

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.003 suspicious_process: Spawns a suspicious process

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1502 stealth_childproc: Changes the parent of the spawned 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

T1055.012 injection_runpe: Injects code into another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1070.004 deletes_self: Moves to different location or removes the original executable file
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
T1497.001 antivm_generic_system: Checks the system manufacturer, possibly for anti-virtualization
T1502 stealth_childproc: Changes the parent of the spawned process
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_idletime: Detects Windows Idle Time to determine the uptime
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1480 system_default_lang_id_present: Checks the system language
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
T1070 stealth_window: A process created a hidden window
T1070.004 self_removal_command: Executes command to delete itself

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.001 antivm_generic_system: Checks the system manufacturer, possibly for anti-virtualization
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_idletime: Detects Windows Idle Time to determine the uptime
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1016 system_network_configuration_discovery: System network configuration discovery detected
T1135 server_share_info: Retrieves information about each shared resource on a server
T1082 recon_systeminfo: Collects system information (ipconfig, netstat, systeminfo, net)

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
ce_info: Formbook Configuration Data found
formbook: FormBook stealer found
kills_explorer: Terminates explorer.exe process
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
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
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_suspicious_module_name: Dotnet program has suspicious module name

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