Managed XDR

vtdl_jvm0n1la — malware analysis report

File info

Filename
vtdl_jvm0n1la
File type
SMTP mail, ASCII text, with very long lines, with CRLF line terminators
File size
4.6 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
fa6c4fcafc4940dda7f50612faa9412f60f79b58
SHA256
03065f6668fb8c2f3e88e94d081d765cced3fea49d9cf2082cabf003f6c9d197
MD5
2e88f0514fc3cabfe7eb328eafe13a87

Signatures

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1059 cmd_vbs: Uses cmd.exe to generate VBS
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell
T1059.005 obfuscated_vbs_wmi: Suspicious WMI queries from VBScript file

Privilege Escalation

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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1027 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1027 obfuscated_vbs: Detected obfuscated VBS
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027 obfuscated_vbs_wmi: Suspicious WMI queries from VBScript file
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

T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 wscript_info_discovery: Collects info about system with Wscript.Shell

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
networkdyndns_checkip: Connects to a Dynamic DNS domain
creates_exe: Creates executable files in the file system
modifies_certs: Attempts to generate or modify system certificates
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
origin_langid: Unconventional language of the executable file
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
pe_overlay: PE file contains overlay
suricata_alert: Malicious traffic detected