Managed XDR

vtdl_1730886641_8xq4fm5z (TeslaCrypt) — malware analysis report

File info

Filename
vtdl_1730886641_8xq4fm5z
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
423.4 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3a9e8386f975da71801c7879b3c794bd3bd10e8f
SHA256
3e80208ed2015b424ea80a627c65c8122fb38374b80a46aaa8af52f14e1c0757
MD5
b7dfe3b73ab9c6d61e1b20c37d67e06a

Malwares

  • TeslaCrypt

Signatures

Execution

T1059.007 bad_js: Suspicious Javascript file
T1059.003 suspicious_process: Spawns a suspicious process

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

T1070 stealth_window: A process created a hidden window
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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1082 recon_systeminfo: Collects system information (ipconfig, netstat, systeminfo, net)
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

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
no_graphical_activity: No graphic activity
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call

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