Managed XDR

vtdl_5cjs8n65 — malware analysis report

File info

Filename
vtdl_5cjs8n65
File type
CDFV2 Microsoft Outlook Message
File size
648 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
01f20cef35939d7b20d2dceb666b94fb32074fb3
SHA256
36c00393760544b407dbd6c0bb7adee701339654531038b8d35cdd5656074d56
MD5
6d36722c0a93b56fc8d2f81762beb74a

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
T1059.001 suspicious_powershell: Creates suspicious powershell process
T1204.002 mimics_extension: Attempts to mimic the file extension

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 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

T1036 mimics_extension: Attempts to mimic the file extension
T1564.001 stealth_file: Creates hidden or system files
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1070 stealth_window: A process created a hidden window
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list

Discovery

T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
creates_exe: Creates executable files in the file system
copies_self: Creates a copy of itself
create_process_failed: Could not start the process
process_crashed: One of the processes has failed
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
dotnet_suspicious_module_name: Dotnet program has suspicious module name
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call