Managed XDR

scratch-zoo-2025-04-10...95d51f421c555b6dc596f5 (FormBookFormgrabber) — malware analysis report

File info

Filename
scratch-zoo-2025-04-10-420fb0546295d51f421c555b6dc596f5
File type
news or mail, ASCII text, with CRLF line terminators
File size
700.2 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
990276b77e3e9ea465996684674b68ad49e5bf49
SHA256
4b7a25921ad1ae511ed181f06b2ba4306799bce1bc45618a64c0b07db54644da
MD5
420fb0546295d51f421c555b6dc596f5

Malwares

  • FormBookFormgrabber

Signatures

Privilege Escalation

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

T1055.012 injection_runpe: Injects code into another process
T1070.004 deletes_self: Moves to different location or removes the original executable file
T1055.002 inject_write_pe: Writes PE file to another process's 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
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
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
T1070.004 self_removal_command: Executes command to delete itself
T1055 injection_failed: The attempt to inject into a process has failed

Discovery

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

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
ce_info: Formbook Configuration Data found
formbook: FormBook stealer found
dns_without_resolve: DNS query without a response
no_graphical_activity: No graphic activity
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
test_check_service: Starts services
dotnet_suspicious_entrypoint: Dotnet program has suspicious entrypoint

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