Managed XDR

5daf11b2-612d-92eb-9714-277aae1137f3.eml (Remcos) — malware analysis report

File info

Filename
5daf11b2-612d-92eb-9714-277aae1137f3.eml
File type
ASCII text, with very long lines, with CRLF line terminators
File size
1.4 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
9482d8408f3dc7003565b0eb103affa0ff89ce0f
SHA256
34e65d7621dca1769550f21487db63aef2c3efe69b8dd24b201f9ef1adeeda88
MD5
93d197285b6b1bd725f2c1df89e144f8

Malwares

  • Remcos

Signatures

Execution

T1059.003 suspicious_process: Spawns a suspicious process
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests
T1059.003 suspicious_batch: Suspicious batch

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 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
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
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1140 unpacking_utilities: Uses Windows utilities to unpack data
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
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

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1518 recon_programs: Collects information about installed programs
T1057 has_wmi: Executes one or several WMI requests
T1082 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
networkdyndns_checkip: Connects to a Dynamic DNS domain
creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at None
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
unnamed_region_exception_handler: Creates an exception handler in an unnamed region
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

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