Managed XDR

vtdl_lte_z8gc (FormBookFormgrabber) — malware analysis report

File info

Filename
vtdl_lte_z8gc
File type
RAR archive data, v5
File size
952.1 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
0684605ee367e97cc76fadb25c6f739cb782146b
SHA256
56c2d42cc69d42ea1ef6967086bd13e39152ae53cd40d4cd4e2963fb961ddedf
MD5
f44c404eecb5e1c473ab3a763ef44e4b

Malwares

  • FormBookFormgrabber

Signatures

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension
T1059.003 suspicious_process: Spawns a suspicious process

Privilege Escalation

T1055 injection_runpe_2: Executes injected code in another process
T1055.012 injection_runpe: Injects code into another process
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
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 injection_runpe_2: Executes injected code in another process
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
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)
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1070 stealth_window: A process created a hidden window
T1027.002 nsis_archive: One of the packages is NSIS archive
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1480 system_default_lang_id_present: Checks the system language

Discovery

T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
ce_info: Formbook Configuration Data found
formbook: FormBook stealer found
executes_dropped_exe: Executes dropped exe files
only_exec_in_archive: The archive contains only an executable file
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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