Managed XDR

c-users-user-appdata-l...8834-705115ac0418-.tmp (XWorm) — malware analysis report

File info

Filename
c-users-user-appdata-local-microsoft-windows-inetcache-content.word-wrf-9a6546bb-49f9-4591-8834-705115ac0418-.tmp
File type
Composite Document File V2 Document, Cannot read section info
File size
80.4 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
4bd2598f43ed590a38b782e33b7a58c518b5e072
SHA256
e287b84860ef07951950d26594ab824b94007d1a37e7cc95f53a09973bc0a31d
MD5
2134192cdff211094064350c0f634cea

Malwares

  • XWorm

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Privilege Escalation

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

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_queries_computername: Retrieves the computer name
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

Credential Access

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1082 has_wmi: Executes one or several WMI requests
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1056.001 infostealer_keylogger: Keylogger (intercepts keystrokes)

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
critical_process: Makes the process critical to the system (the system shuts down when it's terminated)
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
suspicious_network_port: Performs TCP or UDP request to non-standard port
checktokenmembership: Checks user token with CheckTokenMembership call
dotnet_downloader_possible_network_problem: Dotnet program possibly has network problem

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