Managed XDR

k-kb_sample-4b67e32962...536df99e100903c49175a6 — malware analysis report

File info

Filename
k-kb_sample-4b67e32962536df99e100903c49175a6
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
12.6 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a1879d6dfe585cec420af67d4771d1be1c83d67d
SHA256
e448dd380b84f54894f48ff28e1ecf8a8d5c52258f88f038a844d19f8e57788a
MD5
4b67e32962536df99e100903c49175a6

Signatures

Privilege Escalation

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
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1497.001 antivm_vbox_keys: Detects VirtualBox through the presence of a registry key
T1497.001 antivm_hyperv_keys: Attempts to detect Hyper-V
T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1480 system_default_lang_id_present: Checks the system language
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

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

Discovery

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1497.001 antivm_vbox_keys: Detects VirtualBox through the presence of a registry key
T1497.001 antivm_hyperv_keys: Attempts to detect Hyper-V
T1082 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1057 process_interest: Enumerates processes
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
network_bind: Starts servers listening at 127.0.0.1:3724, 127.0.0.1:3400, 127.0.0.1:3700, 127.0.0.1:3900, 127.0.0.1:6688, 127.0.0.1:8085
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
network_anomaly: Network anomalies occured during the analysis
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
get_policy_info: Retrieves information about a Policy object
suspicious_network_port: Performs TCP or UDP request to non-standard port