Managed XDR

scratch-zoo-2025-04-10...577206f3b7b8d2004a2a38 (FormBookFormgrabber) — malware analysis report

File info

Filename
scratch-zoo-2025-04-10-b618b9756b577206f3b7b8d2004a2a38
File type
RFC 822 mail, ASCII text, with CRLF line terminators
File size
419.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
4dfb576755008b52b764fa235cc90a02b0695ae5
SHA256
994842c8b90cd53640d850185e152809ed9b8d4f231c793576002071fc9a1078
MD5
b618b9756b577206f3b7b8d2004a2a38

Malwares

  • FormBookFormgrabber

Signatures

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension
T1059.003 suspicious_process: Spawns a suspicious process
T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055 sets_debug_registers: Sets debug registers for a thread in a different 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
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
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
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
T1027.002 nsis_archive: One of the packages is NSIS archive
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names
T1480 system_default_lang_id_present: Checks the system language
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)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1568.002 dga_domains: Connects to DGA domains
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
ce_info: Formbook Configuration Data found
formbook: FormBook stealer found
dns_without_resolve: DNS query without a response
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
creates_exe: Creates executable files in the file system
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay

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