Managed XDR

vtdl_1744311392_limdk4kr (ISFBv3, ISFB) — malware analysis report

File info

Filename
vtdl_1744311392_limdk4kr
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
319.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
474f5129acb1b730732f3608d2537f84488d2844
SHA256
940e1fa2deb2f981f5baf96458feb1c1c6d7e4c691faba0631eadb125bf78341
MD5
89d322009198261bd8e21b72657c1fe5

Malwares

  • ISFBv3
  • ISFB

Signatures

Execution

T1059.003 executes_dropped_cmd: Executes dropped batch files

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

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
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
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1112 disables_spdy_ie: Disables SPDY support in Internet Explorer to simplify data stealing
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1070 stealth_window: A process created a hidden window

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Command and Control

T1568.002 dga_domains: Connects to DGA domains
T1071 internet_security_options: Sets Internet connections options that are not secure
T1032 internet_security_options: Sets Internet connections options that are not secure
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
ce_info: Gozi static config Configuration Data found
gozi: gozi-isfb banking Trojan detected
gozi_mutex: Gozi banking Trojan indicators detected
gozi_downloader: GOZI family trojan downloader detected (undefined version)
dns_tld_onion: Connects to TLD .onion (TOR), possibly malware
ip_domains: Identifies an IP address using external resources
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object

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