Managed XDR

aurora6291.docx — malware analysis report

File info

Filename
aurora6291.docx
File type
Microsoft Word 2007+
File size
7.4 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
0aa049d850f227306e6d2059ae487f7024772901
SHA256
6ff4841d2b1247608951e593dbae60243cdfe273b72ee8a8d803877076efd187
MD5
fa1f2a7c2a6a9179b14f482300d9635e

Signatures

Execution

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059.006 drops_python_dll: Drops python dll

Persistence

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1053.005 persistence_autorun: Makes itself run automatically on Windows startup
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1057 process_interest: Enumerates processes
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents

Other

creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
office_embedded: Office document contains embedded executable file(s)
has_pdb: This executable file has a PDB path
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
yara_rules: Static rules