Managed XDR

fwd-usd94590-payment-received-42.5kb-.msg (H-Worm) — malware analysis report

File info

Filename
fwd-usd94590-payment-received-42.5kb-.msg
File type
CDFV2 Microsoft Outlook Message
File size
56.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f3f43e757749975f3da9bc7f79051c2cd1f1c639
SHA256
2c1e5a372650c658139946a094ca97fd6ebc0ba372e6c25b54435be1215e9296
MD5
38db40b8983b8ae296ca32d5e2df1413

Malwares

  • H-Worm

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059 network_wscript_downloader: Wscript.exe initiated network communication
T1059.007 bad_js: Suspicious Javascript file
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell

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
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
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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

T1033 recon_beacon: The process has sent information about the computer over the network
T1082 has_wmi: Executes one or several WMI requests
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1082 wscript_info_discovery: Collects info about system with Wscript.Shell
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1033 wscript_info_discovery: Collects info about system with Wscript.Shell

Command and Control

T1071 network_wscript_downloader: Wscript.exe initiated network communication
T1071.001 recon_beacon: The process has sent information about the computer over the network
T1071.001 network_cnc_http: Suspicious HTTP traffic
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
suricata_alert: Malicious traffic detected
networkdyndns_checkip: Connects to a Dynamic DNS domain
code_share_services: Connects to text storage services (potentially for malicious payload delivery)
modifies_certs: Attempts to generate or modify system certificates
copies_self: Creates a copy of itself
ip_domains: Identifies an IP address using external resources
creates_exe: Creates executable files in the file system
no_graphical_activity: No graphic activity
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
checktokenmembership: Checks user token with CheckTokenMembership call

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