Managed XDR

c-kdrcr.exe — malware analysis report

File info

Filename
c-kdrcr.exe
File type
MS-DOS executable, MZ for MS-DOS
File size
93.7 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
06fc00d92c5647b3b9f56c4c0ce22c4f3cecc598
SHA256
f48e2bd31e4861cd0835eac3e997d991daabd9e8e239c4c76206a5c4831d4349
MD5
b8044ebc47a2c836e4ac8d1855fdc22f

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1518 locates_browser: Attempts to identify where browsers are installed
T1016.001 system_network_configuration_discovery: System network configuration discovery detected

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
suspicious_process_network: Unusual process network activity detected
dead_host: Connects to IP addresses that do not respond to requests
suspicious_network_port: Performs TCP or UDP request to non-standard port
pe_overlay: PE file contains overlay