Managed XDR

temp-9-.eml (Remcos) — malware analysis report

File info

Filename
temp-9-.eml
File type
RFC 822 mail, ASCII text, with CRLF line terminators
File size
192.3 KB
First seen
Last seen

Environment

w11/x64 en

Hashes

SHA1
a993108dc00551b55fd6b84d759256355fcee279
SHA256
8c175548c6128b4d420a01c53c26c1c0478b289eb3ba0f6756a0a3d724ed726f
MD5
67d4e599648681bd84767a88f424c220

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
T1055 injection_failed: The attempt to inject into a process has failed
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
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
T1564.001 stealth_file: Creates hidden or system files
T1055 injection_failed: The attempt to inject into a process has failed
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
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
T1562.001 amsi_patching_attempt: Attempts to patch Microsoft AMSI protection (amsi.dll)
T1070 stealth_window: A process created a hidden window
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_im: Collects information about installed messengers
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1518 recon_programs: Collects information about installed programs
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)

Collection

T1114 infostealer_mail: Collects personal data from local email clients

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
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