Managed XDR

vtdl_c_phnllv (DNS Sinkhole, Zeus, Hupigon) — malware analysis report

File info

Filename
vtdl_c_phnllv
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
2.4 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3401fbe7be33d69033f437c1b92d3fc1423642e8
SHA256
33fffc45f6b5a5b14eee4bcb3e7b14b9c7080e271ec1d28827e43f5b915c9fd1
MD5
1f81ead8526261c352c398dd4fc5a83c

Malwares

  • DNS Sinkhole
  • Zeus
  • Hupigon

Signatures

Persistence

T1546.010 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1546.010 installs_appinit: Installs itself in AppInit to inject into new processes
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1546.010 persistence_autorun: Makes itself run automatically on Windows startup
T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1546.010 installs_appinit: Installs itself in AppInit to inject into new processes
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
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
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1055.012 injection_runpe: Injects code into another process
T1055 injection_runpe_2: Executes injected code in another process
T1564.001 stealth_file: Creates hidden or system files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

Credential Access

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

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

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
copies_self: Creates a copy of itself
smtp_live: Connects to smtp.live.com, possibly to send SPAM messages or leak data
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
suspicious_process: Spawns a suspicious process
unexpected_exception: Unexpected exception
network_ftp: Performs FTP requests
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
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

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