Managed XDR

wrnx_mikrotik.zip — malware analysis report

File info

Filename
wrnx_mikrotik.zip
File type
Zip archive data, at least v1.0 to extract
File size
528.5 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
e5d191b30f0c2791721d37fea35e72229ea2e73f
SHA256
d41d3d935eef81a093b6da1de797b9a9879c29d138d991b011259bf4220f767b
MD5
c77645e8510f44d1f7f933a1561b805e

Signatures

Execution

T1059.001 url_cmdline: Cmdline of process contains URL
T1059.003 url_cmdline: Cmdline of process contains URL
T1204.002 mimics_extension: Attempts to mimic the file extension

Persistence

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

Privilege Escalation

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

T1564.001 stealth_file: Creates hidden or system files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 antidbg_writewatch: Checks, if there was an access to a specific memory region (typical behaviour for debuggers)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1036 mimics_extension: Attempts to mimic the file extension
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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
T1480 system_default_lang_id_present: Checks the system language
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Discovery

T1497 antidbg_writewatch: Checks, if there was an access to a specific memory region (typical behaviour for debuggers)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Impact

T1485 deletes_files: Removes 100 or more files from C: drive

Other

creates_exe: Creates executable files in the file system
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
has_pdb: This executable file has a PDB path
dotnet_suspicious_module_name: Dotnet program has suspicious module name
creates_suspended_process: Creates suspended process
dotnet_obfuscated: Dotnet program is potentially obfuscated
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