Managed XDR

1759319272-212214-7723-14738-1.eml (Brute Ratel) — malware analysis report

File info

Filename
1759319272-212214-7723-14738-1.eml
File type
RFC 822 mail, ASCII text, with CRLF, CR line terminators
File size
174.8 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
fbd8cbec723ffef9f9aa650fe4568c3fa1453238
SHA256
75c2063fdeba641fa7ef0e2ba51854b166d342ba02eb5f7f9b4025574e5eacea
MD5
4b1f1ce1fb6ab4c2fdae6b2b7f0718ec

Malwares

  • Brute Ratel

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.001 suspicious_process: Spawns a suspicious process
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1559.001 com_exec: Execution of Win32_Process.Create COM Method
T1059.005 bad_vbs: Suspicious 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 debugs_self: Creates a process and debugs it
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
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

T1497 debugs_self: Creates a process and debugs it
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

Other

suricata_alert: Malicious traffic detected
no_graphical_activity: No graphic activity
checktokenmembership: Checks user token with CheckTokenMembership call

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