Managed XDR

temp-116-.eml (Remcos) — malware analysis report

File info

Filename
temp-116-.eml
File type
RFC 822 mail, UTF-8 Unicode text, with CRLF line terminators
File size
193.5 KB
First seen
Last seen

Environment

w11/x64 en

Hashes

SHA1
de1ba0c75a964a503fd4676efbbd10a0e5ec6f4b
SHA256
abc323daf187c75634b2e62fa76efcff1b17a611dc658cd065ae2c45e1d393e5
MD5
1993d68b5a16996915852b17da674583

Malwares

  • Remcos

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process

Persistence

T1037 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1037 persistence_autorun: Makes itself run automatically on Windows startup
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1564.001 stealth_file: Creates hidden or system files
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562 dep_disable: Disables DEP
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1055 injection_failed: The attempt to inject into a process has failed
T1027 many_env_vars: An extensive number of environment variables has been created (possible sign of obfuscation)
T1202 lolbin_conhost: conhost.exe spawning unexpected processes via --headless argument
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1562.001 amsi_patching_attempt: Attempts to patch Microsoft AMSI protection (amsi.dll)
T1070 stealth_window: A process created a hidden window

Discovery

T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)

Command and Control

T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
copies_self: Creates a copy of itself
page_noaccess: Disables access to a memory region
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
process_crashed: One of the processes has failed
network_powershell: PowerShell process network connection detected
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
test_check_service: Starts services
writes_data: Writes big amount of data to disk

Related reports

Managed XDR