Managed XDR

c-users-user-appdata-l...ocal-temp-ultrbwdr.exe — malware analysis report

File info

Filename
c-users-user-appdata-local-temp-ultrbwdr.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
10.2 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
7a911314141d5b2f5ada2562c07e7ca1f66b6a71
SHA256
b2b28230b0c61428aff5c5cb7c530c59ff522a12517029c770dea31446fdd85f
MD5
75f6eae6a0344c2827ecea0be3be3cfc

Signatures

Execution

T1569.002 persistence_service: Starts newly created service

Persistence

T1543.003 creates_service: Creates a service, that will start automatically

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1543.003 creates_service: Creates a service, that will start automatically
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562.004 firewall_add_rule: Modifies Firewall rules
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_disk_size: Checks the amount of free disk space
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

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497.001 antivm_disk_size: Checks the amount of free disk space

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk