Managed XDR

dnsbench.exe — malware analysis report

File info

Filename
dnsbench.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, PECompact2 compressed
File size
245.1 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9ea30ba5bb7e4764c5ad511baa3ed5179588b357
SHA256
490c3e5cd20dc28acd57d8f017f71796fc40c4b7c86f262fc2c61967622230dd
MD5
404469993fe15a54fe0c0ac130dae7f4

Signatures

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
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
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

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

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

T1568.002 dga_domains: Connects to DGA domains
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
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

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
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process