Managed XDR

banned-20250616t111330-14874-02 (FormBookFormgrabber) — malware analysis report

File info

Filename
banned-20250616t111330-14874-02
File type
SMTP mail, ASCII text
File size
785.6 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a1aa5b26d5b91c67a0b7926cd9c4f5717fb7a1f0
SHA256
fe7af0e3020faef972679a0f75c99158312dce0bde71e41e1846916202f8700a
MD5
695facf29f5f195be883babf4173779c

Malwares

  • FormBookFormgrabber

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.003 suspicious_process: Spawns a suspicious process

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
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
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
T1070 stealth_window: A process created a hidden window
T1070.004 self_removal_command: Executes command to delete itself

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
T1518 locates_browser: Attempts to identify where browsers are installed

Command and Control

T1568.002 dga_domains: Connects to DGA domains

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
ce_info: Formbook Configuration Data found
formbook: FormBook stealer found
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
suricata_alert: Malicious traffic detected

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