Managed XDR

confirming-aviso-de-pago.msg — malware analysis report

File info

Filename
confirming-aviso-de-pago.msg
File type
CDFV2 Microsoft Outlook Message
File size
210 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
05ed73edef7a2b08d289bd71d7a8670ae0c593a2
SHA256
0dd71512780c285c178a8912f603ec67d470e00c9c2a4632958e00f016dea217
MD5
c3aa06016394a29a7c365829305fbff9

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious powershell process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1047 has_wmi: Executes one or several WMI requests
T1059 suspicious_process: Spawns a suspicious process
T1059.001 suspicious_process: Spawns a suspicious process
T1059.005 obfuscated_vbs: Detected obfuscated VBS
T1059 wscript_info_discovery: Collects info about system with Wscript.Shell
T1059.005 bad_vbs: Suspicious VBScript file
T1059.005 obfuscated_vbs_wmi: Suspicious WMI queries from VBScript file

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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

T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
T1070 stealth_window: A process created a hidden window
T1027 obfuscated_vbs: Detected obfuscated VBS
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 obfuscated_vbs_wmi: Suspicious WMI queries from VBScript file
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Discovery

T1057 has_wmi: Executes one or several WMI requests
T1082 reads_csrss: Attempts to read csrss.exe memory
T1082 wscript_info_discovery: Collects info about system with Wscript.Shell
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1033 wscript_info_discovery: Collects info about system with Wscript.Shell

Other

suspicious_pdf_link: PDF file with suspicious hyperlink or content
creates_exe: Creates executable files in the file system
suspicious_pdf: PDF file with suspicious content
pdf_page: Contains only one page
create_rpc_bindings: Creates RPC connection
pdf_compressed_stream: Contains an object with compressed stream
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
office_links: Office file contains external links
checktokenmembership: Checks user token with CheckTokenMembership call
Managed XDR