Managed XDR

c-windows-3ig1w9mm.exe (Conti) — malware analysis report

File info

Filename
c-windows-3ig1w9mm.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
195.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
c5e8280545ad70efece87eb904bddb2b21652b72
SHA256
e433029c62b59761e97103c3200874aafd58b08b7db595b2a940b0579f899a17
MD5
bee9004a3527c43169fea794f8f16c57

Malwares

  • Conti

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

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
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

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574.011 persistence_services: Modifies Services registry key
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
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

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1016 get_hostname: Attempts to get hostname

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Impact

T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)
T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)

Other

yara_rules: Static rules
network_bind: Starts servers listening at None
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_in_programdata: Creates files in the ProgramData directory
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk

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