Managed XDR

lb3.exe — malware analysis report

File info

Filename
lb3.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
144.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
2e8997d33bb0aa29a881bc1e5c1e12f48f7d0f35
SHA256
3ad8feba2ccff42c7de178112d567fa476c654a61088b7fcfc0bf954b1c7b0bc
MD5
7fde836229e3cde41fbcb717cbb0860f

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

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
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1055.012 injection_runpe: Injects code into another process
T1562.001 disables_security: Disables Windows Security options
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1574.011 persistence_services: Modifies Services registry key
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1070 stealth_window: A process created a hidden window

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Collection

T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)
T1489 stops_service: Stops Windows services
T1561 wiper_zeroed_bytes: Overwrites multiple files with zero bytes (hex 00)
T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call