Managed XDR

c-windows-system32-9y0hsobts.dll — malware analysis report

File info

Filename
c-windows-system32-9y0hsobts.dll
File type
Microsoft Excel 2007+
File size
85.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
faf27c4061844928a4ecae22f02e29b32a147bd5
SHA256
003d183700271ae679dbaa95dc4173d230ca6fc32a948fd2436352b6cc746d1d
MD5
7f687f349d2d9a86ff4515c945cc5904

Signatures

Execution

T1559 suspicious_process: Spawns a suspicious process
T1047 has_wmi: Executes one or several WMI requests
T1559.001 com_exec: Execution of Win32_Process.Create COM Method
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

T1218 wmic_create_process: Creates a process using wmic.exe utility
T1497 debugs_self: Creates a process and debugs it
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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

T1552 cookie_files: Accesses cookie files
T1555.003 cookie_files: Accesses cookie files

Discovery

T1497 debugs_self: Creates a process and debugs it
T1057 has_wmi: Executes one or several WMI requests
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1135 server_share_info: Retrieves information about each shared resource on a server
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
xlsb_macrosheet: Contains xlsb macro sheet
creates_exe: Creates executable files in the file system
creates_doc: Creates (office) documents in the file system
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call