Managed XDR

banned-20251006t044402-23809-02 (Remcos) — malware analysis report

File info

Filename
banned-20251006t044402-23809-02
File type
SMTP mail, ASCII text
File size
1.1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
184b6582ceecfc9c881ebe38c6634fffc19685c7
SHA256
86bd0b99188f4d563b4f5c68a2c9507df447ad642d27b4628c4eeddbabc55b5f
MD5
ce1c7a7f682679c0cb70c782f1b80dcc

Malwares

  • Remcos

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059 autoit: AutoIt script execution detected
T1059 autoit_suspicious_script: Autoit contains suspicious script

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055.012 injection_runpe: Injects code into another process
T1055 sets_debug_registers: Sets debug registers for a thread in a different 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

Defense Evasion

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
T1055 sets_debug_registers: Sets debug registers for a thread in a different process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562 dep_disable: Disables DEP
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Command and Control

T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Other

yara_rules: Static rules
modifies_certs: Attempts to generate or modify system certificates
copies_self: Creates a copy of itself
ip_domains: Identifies an IP address using external resources
creates_exe: Creates executable files in the file system
suspicious_process: Spawns a suspicious process
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
suspicious_network_port: Performs TCP or UDP request to non-standard port
checktokenmembership: Checks user token with CheckTokenMembership call
suricata_alert: Malicious traffic detected

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