Managed XDR

c-windows-9flksny.exe — malware analysis report

File info

Filename
c-windows-9flksny.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
324 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8882874b40870cd9209cf8065929edb2d132a443
SHA256
7bc2f1471b99efd57ad46ba36a1a1e575bdb9c8084be2505653c5d131dcf6249
MD5
4a2e41e1be7c4f983ff40405d9c98f38

Signatures

Persistence

T1547.004 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1055.012 injection_runpe: Injects code into another process
T1547.004 persistence_autorun: Makes itself run automatically on Windows startup
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
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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

T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1055.012 injection_runpe: Injects code into another process
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
T1070.004 deletes_self: Moves to different location or removes the original executable file
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

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

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at 0.0.0.0:30375
suspicious_process_network: Unusual process network activity detected
dns_without_resolve: DNS query without a response
dead_host: Connects to IP addresses that do not respond to requests
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
checktokenmembership: Checks user token with CheckTokenMembership call
open_winlogon_process: Trying to open winlogon process
Managed XDR