Managed XDR

c-programdata-synaptics-synaptics.exe (BlackMatter) — malware analysis report

File info

Filename
c-programdata-synaptics-synaptics.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
899 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
d9c147a71487114ff9833ed36fac8a40a13aec60
SHA256
957adba32dc3a4fe9d4798ce1088517332364a4c61680d22133cd62120c35558
MD5
1fa3bba15ca17a9ed90b129dff6476fb

Malwares

  • BlackMatter

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests
T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_com_load: Microsoft Office loads COM DLL files (indicator of COM usage in macros)
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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

T1564.001 stealth_file: Creates hidden or system files
T1574.011 persistence_services: Modifies Services registry key
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1064 office_macros_suspicious: Document contains suspicious macro
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
T1480 system_default_lang_id_present: Checks the system language
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers

Discovery

T1033 sam_users_discovery: Enumerates users or groups in system with SAM API
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497.001 antivm_queries_computername: Retrieves the computer name
T1135 server_share_info: Retrieves information about each shared resource on a server

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl
T1102.003 cloud_google: Connects to cloud services of Google (potentially for malicious payload delivery)

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1561 wiper_zeroed_bytes: Overwrites multiple files with zero bytes (hex 00)
T1489 stops_service: Stops Windows services
T1486 ransomware_files: Ransomware indicators detected BlackMatter (creates keys and the instruction on how to unlock the files)
T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
networkdyndns_checkip: Connects to a Dynamic DNS domain
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

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