Managed XDR

message__2026033111182...ner_rochester_edu_.eml (CloudEyE) — malware analysis report

File info

Filename
message__20260331111823_96f7e1aff45c288d_warner_rochester_edu_.eml
File type
HTML document, ASCII text, with CRLF line terminators
File size
349.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
c755ed3e7ec911861928d8a7dc344393fe6da0cd
SHA256
34c9ecb2d0cb3f7b13c6912a41df2a1ed11954b64a1ba9c4772482854e69aef1
MD5
147d6e8b187bc6c39332a454f6c600c4

Malwares

  • CloudEyE

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the 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

T1045 guloader_behaviour2: Cloudeye/GuLoader specific behavior has been detected
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
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
T1574 dropper_dll: Creates DLL, which is then loaded into the 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
T1027.002 nsis_archive: One of the packages is NSIS archive
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names
T1480 system_default_lang_id_present: Checks the system language

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1518 recon_programs: Collects information about installed programs
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

Command and Control

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

Other

yara_rules: Static rules
network_bind: Starts servers listening at None
unnamed_region_exception_handler: Creates an exception handler in an unnamed region
no_graphical_activity: No graphic activity
creates_exe: Creates executable files in the file system
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
nsis_mouse_movement: NSIS tracks mouse movement

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