Managed XDR

admin_download.eml (TeslaCrypt) — malware analysis report

File info

Filename
admin_download.eml
File type
RFC 822 mail, ASCII text, with CRLF line terminators
File size
27.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8164a890a6a5d79ca2a020a39a85ed51f84894fb
SHA256
3592d09f927bdd4f4516372073463efa4c1724df2ef0e8a31b1fd10a68ce4d3e
MD5
b5db5e3d5bb713954b78822243d2406a

Malwares

  • TeslaCrypt

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

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

T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
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)
T1497.003 antisandbox_sleep_utilities: Uses Windows utilities for pausing the execution
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
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call

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