Managed XDR

nlaapi.dll (TrickBot) — malware analysis report

File info

Filename
nlaapi.dll
File type
PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
File size
531.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
721ff362ff9203bca18827517f40f07b5ad5db17
SHA256
bbb4e949731184689f6105950d6b5460582f297d9339a4b349625b73cdcb61e9
MD5
f44484309747c04e1b664f6ee986f9bd

Malwares

  • TrickBot

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.001 suspicious_process: Spawns a suspicious process

Persistence

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
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
T1562.001 disables_security: Disables Windows Security options
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
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_upx: The executable file is compressed using UPX
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1574.011 persistence_services: Modifies Services registry key
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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

Discovery

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed

Impact

T1489 stops_service: Stops Windows services
T1489 net_stop: Stops services through the use of net stop

Other

yara_rules: Static rules
copies_self: Creates a copy of itself
static_pe_anomaly: The PE file structure contains anomalies
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process

Related reports