Managed XDR

tonerdumping-rechnung-2024-1082252.eml (TeslaCrypt) — malware analysis report

File info

Filename
tonerdumping-rechnung-2024-1082252.eml
File type
SMTP mail, ASCII text, with CRLF line terminators
File size
467.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e2dc2f5e54faf0a6da13b53065d4b21b74491ea9
SHA256
30f5001bd335793a7d4f684709908b411bbd357308ac8bcd45a76f199f5a1100
MD5
f12a912d9accf8ddf9fe2615307a6526

Malwares

  • TeslaCrypt

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.007 bad_js: Suspicious Javascript file
T1059.001 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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