Managed XDR

vtdl_1731809293_tuk7fz2b — malware analysis report

File info

Filename
vtdl_1731809293_tuk7fz2b
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: -535, Keywords: 187, Comments: 52, Thumbnail: 26373, 0x17: 917504CDFV2 Microsoft Word
File size
148 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e0e36d104478677270283fc0e4288cd3c4e0ea9b
SHA256
71c5f0d22ba9ab90c93b9bb326917e035e75f5d6cbb5dca61cb601defe5c7534
MD5
dbe690e7e604f442e10f2d570ed3e78b

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1059 powershell_cmd_longcommandline: Suspiciously long commandline
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1559.001 com_exec: Execution of Win32_Process.Create COM Method
T1059.001 suspicious_process: Spawns a suspicious process
T1059.003 suspicious_process: Spawns a suspicious process
T1204.002 office_wmi_load: Microsoft Office loads WMI DLL files (WMI usage indicator in macros)
T1059.003 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

Privilege Escalation

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

T1497 debugs_self: Creates a process and debugs it
T1027 suspicious_cmd: Executes cmd.exe with a suspicious command line
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_autoexec: The document contains an auto-start macro
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497 debugs_self: Creates a process and debugs it

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
no_graphical_activity: No graphic activity
office_summary: The document contains suspicious metadata
message_box: Displays a message
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call
suricata_alert: Malicious traffic detected