Managed XDR

4.20240827.20250315.36...t.web.cspambo08.nm.eml (CloudEyE, Remcos) — malware analysis report

File info

Filename
4.20240827.20250315.363453.7727.140079364306688.1.spamreport.web.cspambo08.nm.eml
File type
ASCII text, with very long lines, with CRLF line terminators
File size
741.1 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
356739039650a28815a744dce3de4b35bfdf56f4
SHA256
e0d435c9ea75755043819ef6bec2e5a7432513f4dcba974d9ae0d4ae83581cf6
MD5
f59fe563525f6fc40d7d3b63d56f5a20

Malwares

  • CloudEyE
  • Remcos

Signatures

Execution

T1204.002 mimics_extension: Attempts to mimic the file extension
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1047 has_wmi: Executes one or several WMI requests
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks
T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055.012 injection_runpe: Injects code into another process
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

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
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036 mimics_extension: Attempts to mimic the file extension
T1562 dep_disable: Disables DEP
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names
T1027.002 nsis_archive: One of the packages is NSIS archive
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
T1480 system_default_lang_id_present: Checks the system language
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 has_wmi: Executes one or several WMI requests
T1082 reads_csrss: Attempts to read csrss.exe memory

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)
T1115 checks_clipboard: Monitors clipboard data

Command and Control

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
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
unexpected_exception: Unexpected exception
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
creates_in_programdata: Creates files in the ProgramData directory
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay

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