Managed XDR

9lhmcc-naxiyr9fkqf-nszn.eml (CloudEyE, DarkCloud) — malware analysis report

File info

Filename
9lhmcc-naxiyr9fkqf-nszn.eml
File type
RFC 822 mail, ASCII text
File size
915.9 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
fbecb0248e5a35659b9dce5582a0ae04791786a3
SHA256
5aac8c8079bd8cf628c548b9c216f6ca57f0beacebbe3807b7ac0eb4f1d62949
MD5
5fb349b336aae6b739798c09c232dccf

Malwares

  • CloudEyE
  • DarkCloud

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1204.002 mimics_extension: Attempts to mimic the file extension
T1047 has_wmi: Executes one or several WMI requests
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

T1055.012 injection_runpe: Injects code into another process
T1055.004 injection_ntqueueapcthread: Injects into another process using NtQueueApcThread
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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 behaviour has been detected
T1055.012 injection_runpe: Injects code into another process
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1027.002 guloader_behaviour: Cloudeye/GuLoader specific behaviour has been detected
T1055.004 injection_ntqueueapcthread: Injects into another process using NtQueueApcThread
T1036 mimics_extension: Attempts to mimic the file extension
T1562 dep_disable: Disables DEP
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1480 system_default_lang_id_present: Checks the system language
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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 packer_vb: The executable file is packed using VB
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names

Discovery

T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 has_wmi: Executes one or several WMI requests
T1518 locates_browser: Attempts to identify where browsers are installed

Command and Control

T1102.003 cloud_google: Connects to cloud services of Google (potentially for malicious payload delivery)
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
unpacker_wrong_base: Possibly, an error occured in the file unpacker
runs_utility_without_cmdline: Runs system utility without arguments (non-typical usage)
suspicious_process_network: Unusual process network activity detected
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
creates_exe: Creates executable files in the file system
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
executes_dropped_exe: Executes dropped exe files

Related reports