Managed XDR

fltldr.exe — malware analysis report

File info

Filename
fltldr.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
151.6 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
59f47af7d4fbee65bc4f82e129ef9cbead7ab1f2
SHA256
4998ce27a98aa6099bcfdd4dc8dc9427ac95c731a1299caea64cb0f8c49feff5
MD5
9eb4f048bc932c01978d328c617db2ae

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another 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 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.012 injection_runpe: Injects code into another process
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
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
T1480 system_default_lang_id_present: Checks the system language
T1497.001 antivm_queries_computername: Retrieves the computer name

Discovery

T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call