Managed XDR

check_vista.exe — malware analysis report

File info

Filename
check_vista.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
1.7 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9c19c59eff10c0e6546096c12bb64c37bfee25de
SHA256
bf8ca19da405d42a45d0b23fcd665cde6cd9514117493622a0795290aede2c48
MD5
adab781d228f8489ba2287758656591d

Signatures

Persistence

T1546.010 persistence_autorun: Makes itself run automatically on Windows startup
T1546.010 installs_appinit: Installs itself in AppInit to inject into new processes
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1546.010 persistence_autorun: Makes itself run automatically on Windows startup
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1546.010 installs_appinit: Installs itself in AppInit to inject into new processes
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

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files
T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
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