Managed XDR

c-users-user-appdata-local-temp-bzrdl.exe — malware analysis report

File info

Filename
c-users-user-appdata-local-temp-bzrdl.exe
File type
MS-DOS executable, MZ for MS-DOS
File size
298.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
bbaa4245fc87be3e6f4b4c97bdc753c54fad6ba7
SHA256
1d213bfc3e295e567006f91f92cd9bbcf9d47f788e4e252afc89c000329ba3ed
MD5
4fc0a0a38d87850ac0be8260c5c96c83

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 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

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1036 copies_utilities: Copies and runs system utility with different name
T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1027.002 packer_vmprotect: Executable file is likely compressed using VMProtect
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
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
T1574 dropper_dll: Creates DLL, which is then loaded into the 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
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
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
dead_host: Connects to IP addresses that do not respond to requests
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
suspicious_network_port: Performs TCP or UDP request to non-standard port
pe_overlay: PE file contains overlay