Managed XDR

home-farm-anteroom-b3b...931045e5795cdc5564d000 (Tinba) — malware analysis report

File info

Filename
home-farm-anteroom-b3b-c4c-b3bc4cd58b7df5c2ad4f36ca20da2349e7d588017c931045e5795cdc5564d000
File type
Rich Text Format data, version 1, unknown character set
File size
536.2 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8a35f375e07ed80e2cc457785ab2715df78c7389
SHA256
b3bc4cd58b7df5c2ad4f36ca20da2349e7d588017c931045e5795cdc5564d000
MD5
69799d4cc17ac3f564b7ecd26326d434

Malwares

  • Tinba

Signatures

Execution

T1059.001 suspicious_powershell: Suspicious document behaviour (creates powershell process)
T1203 exploit_CVE_2017_11882: Exploits CVE-2017-11882 vulnerability
T1203 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1059.003 suspicious_process: Spawns a suspicious process
T1059.003 executes_dropped_cmd: Executes dropped batch files
T1047 has_wmi: Executes one or several WMI requests
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

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

T1036 copies_utilities: Copies and runs system utility with different name
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
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

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

Discovery

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 reads_csrss: Attempts to read csrss.exe memory
T1083 checks_recent_files: Attempt to check recently opened files through registry

Collection

T1560.001 archive_via_utility: Detected archiving data via utility

Command and Control

T1071.001 office_exploit_http: The document exhibits suspicious behaviour (performs HTTP requests)
T1105 lolbin_extrac32: Download or Copy file with Extrac32
T1071.004 office_exploit_dns: The document exhibits suspicious behaviour (performs DNS requests)
T1102.003 cloud_onedrive: Connects to cloud services of Onedrive (potentially for malicious payload delivery)
T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
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
dbatloader_behaviour: DBatLoader/ModiLoader behaviour
suspicious_process_network: Unusual process network activity detected
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call

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