Managed XDR

c-windows-zb9uz.exe — malware analysis report

File info

Filename
c-windows-zb9uz.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
330 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
b40752e47e7b2dee21d8de09817237ea275805aa
SHA256
afffbf8c7a5fc8620f8035fb178c7f011810f56e75b495ffc3c17ee4885c035a
MD5
e309922a20e0ebc8848be8e2fdb95992

Signatures

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1055 injection_thread: Code injection to a remote process using CreateRemoteThread or NtQueueApcThread
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1564.001 stealth_file: Creates hidden or system files
T1497 antidbg_windows: Checks for open windows typical for debuggers and forensic tools
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 antidbg_windows: Checks for open windows typical for debuggers and forensic tools
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

executes_dropped_exe: Executes dropped exe files
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
copies_self: Creates a copy of itself
network_bind: Starts servers listening at None
creates_suspended_process: Creates suspended process
message_box: Displays a message
error_drawtext: An error occurred while executing the file
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
yara_rules: Static rules
Managed XDR