Managed XDR

c0r9215t81851741.eml — malware analysis report

File info

Filename
c0r9215t81851741.eml
File type
SMTP mail, ASCII text
File size
771.6 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
db1d5615ed2d17cdf98941ece94b826f0c96db18
SHA256
b75454438ca4a41fc774fe39591b03b168b937be1b223292018cfa3c94cef284
MD5
778386af2819ac72e3dd3b4d189b406f

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 has_wmi: Executes one or several WMI requests
T1059 suspicious_process: Spawns a suspicious process
T1059.001 suspicious_process: Spawns a suspicious process
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell
T1059.005 bad_vbs: Suspicious VBScript file
T1059.005 obfuscated_vbs_wmi: Suspicious WMI queries from VBScript file

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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

T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
T1070 stealth_window: A process created a hidden window
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
T1027 obfuscated_vbs_wmi: Suspicious WMI queries from VBScript file
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

T1057 has_wmi: Executes one or several WMI requests
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
T1082 reads_csrss: Attempts to read csrss.exe memory
T1082 wscript_info_discovery: Collects info about system with Wscript.Shell
T1033 wscript_info_discovery: Collects info about system with Wscript.Shell

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
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