Managed XDR

617369303.eml (Neshta, HawkEye) — malware analysis report

File info

Filename
617369303.eml
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
1.1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7ce31ac5b540f4ca0d385482f98a4890e8182e46
SHA256
ba0777a7f451f459acdba0cd4acab225c9fe46427781e31855a7e02bc20ccb1f
MD5
89632cb32f6e79d73a538ff035ec7c5f

Malwares

  • Neshta
  • HawkEye

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1112 stealth_hiddenreg: Attempts to change Explorer settings so that hidden files won't be displayed
T1070 stealth_webhistory: Clears browsing history
T1036 system_filename: Created a file named as a common system file
T1027.004 compiles_code: Compiles VB.NET code
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
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
T1070 stealth_window: A process created a hidden window
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1555.003 retrieves_passwords: Attempts to extract passwords from browsers and email clients
T1552 infostealer_im: Collects information about installed messengers
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
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_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1115 checks_clipboard: Monitors clipboard data

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Impact

T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
hawkeye: HawkEye RAT indicators detected
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
ip_domains: Identifies an IP address using external resources
network_bind: Starts servers listening at 127.0.0.1:0
dead_host: Connects to IP addresses that do not respond to requests
unsigned_driver_drop: Sample is not signed and drops a device driver
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
access_recyclebin: Manipulation with recyclebin detected
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
neshta_mutexes: Neshta is detected: mutex
test_check_service: Starts services
pe_overlay: PE file contains overlay

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