Managed XDR

20250515_fp_100_77.eml (CloudEyE, Remcos) — malware analysis report

File info

Filename
20250515_fp_100_77.eml
File type
ASCII text
File size
51.6 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
b65c8e9938905b60cad34823a12f695823fddc27
SHA256
9cba11e05ec8c8300a0b11d76ac7b0ee6f2043765d060a856bd46a8864806b50
MD5
18fa6f38b2d1581b2c4de8a80ed4325d

Malwares

  • CloudEyE
  • Remcos

Signatures

Execution

T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_process: Spawns a suspicious process
T1047 has_wmi: Executes one or several WMI requests
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

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
T1055.004 injection_ntqueueapcthread: Injects into another process using NtQueueApcThread
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 guloader_behaviour: Cloudeye/GuLoader specific behaviour has been detected
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1055.004 injection_ntqueueapcthread: Injects into another process using NtQueueApcThread
T1562 dep_disable: Disables DEP
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
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

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1057 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed
T1082 reads_csrss: Attempts to read csrss.exe memory

Collection

T1560.001 archive_via_utility: Detected archiving data via utility

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_openurl: Performs HTTP/HTTPS-requests using InternetOpenUrl

Other

yara_rules: Static rules
ce_info: Remcos Configuration Data found
networkdyndns_checkip: Connects to a Dynamic DNS domain
modifies_certs: Attempts to generate or modify system certificates
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
ip_domains: Identifies an IP address using external resources
suspicious_process_network: Unusual process network activity detected
unexpected_exception: Unexpected exception
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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