Managed XDR

vtdl_1748593103_yucidob6 (RMS) — malware analysis report

File info

Filename
vtdl_1748593103_yucidob6
File type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
File size
17.3 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
b701c393a0d6776560b15dd4eee1b032e0cf316e
SHA256
b35cc4c6fb80b115f2588481ce4a702b136f908d1f6bd888e2f3ea7252c330a5
MD5
43dc6bead0ad5dbda151e8f7a37d78a5

Malwares

  • RMS

Signatures

Execution

T1569.002 persistence_service: Starts newly created service

Persistence

T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the 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

T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
T1036 system_filename: Created a file named as a common system file
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497 debugs_self: Creates a process and debugs it
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
T1497.001 antivm_network_adapters: Checks NIC addresses
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
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 antidbg_strings: Checks for malware analysis tools (specific strings found)
T1497.001 antivm_generic_msi: Checks installed MSI pakages, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window

Discovery

T1497.001 antisandbox_productid: Obtains Windows ProductID, probably to fingerprint a sandbox
T1518 recon_programs: Collects information about installed programs
T1497 debugs_self: Creates a process and debugs it
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497 antidbg_strings: Checks for malware analysis tools (specific strings found)
T1497.001 antivm_generic_msi: Checks installed MSI pakages, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Impact

T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
rms_admin: Remote Manipulator System indicators detected (files or registry)
creates_in_windows: Creates files in the Windows directory
rms_lms_bins: Listens on port 5650 used by RMS\LiteManager
network_bind: Starts servers listening at 0.0.0.0:5650
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
process_crashed: One of the processes has failed
unsigned_driver_drop: Sample is not signed and drops a device driver
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
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
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process
valid_authenticode: The digital signature has been verified

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