Managed XDR

b1g-wacatac-vb-sample-huge-master.zip — malware analysis report

File info

Filename
b1g-wacatac-vb-sample-huge-master.zip
File type
Zip archive data, at least v1.0 to extract
File size
1.1 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
b299a80034fd8275b3a30dfa551b92a594e5511a
SHA256
2ecfad6247a9062f8bed77607d6e3a4eddf4ec991d491e04d292ef874e5d7835
MD5
e165c815c1bd0b29c65fcd3a9840468b

Signatures

Privilege Escalation

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

T1036.001 invalid_authenticode: Digital signature of one or several attached files has failed to be verified
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed

Other

creates_many_processes: Spawns a lot of processes (over 70)
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
message_box: Displays a message
error_drawtext: An error occured while executing the file
dotnet_obfuscated: Dotnet program is potentially obfuscated
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
many_files_in_archive: The archive contains more than 5 files