Managed XDR

instalador.exe — malware analysis report

File info

Filename
instalador.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
File size
2.8 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e7bf7701d7457bd0d13df19bd492b9c3dc877a43
SHA256
a5cb9db5cf95d63223c109463c7294407ae6a21ea1370c4ab4db84cbd333fa5d
MD5
eeb9d0bcad74458db0ed57e937c93e73

Signatures

Execution

T1569.002 persistence_service: Starts newly created service
T1047 has_wmi: Executes one or several WMI requests

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 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027.002 nsis_archive: One of the packages is NSIS archive
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
T1070 stealth_window: A process created a hidden window

Discovery

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

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

Impact

T1489 net_stop: Stops services through the use of net stop

Other

AteraAgent: AteraAgent application detected
creates_in_windows: Creates files in the Windows directory
modifies_certs: Attempts to generate or modify system certificates
create_process_failed: Could not start the process
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
creates_doc: Creates (office) documents in the file system
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
creates_suspended_process: Creates suspended process
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
pe_overlay: PE file contains overlay
ce_info: AteraAgent Configuration Data found