Managed XDR

vtdl_csa_0k14 (Tinba) — malware analysis report

File info

Filename
vtdl_csa_0k14
File type
Zip archive data, at least v2.0 to extract
File size
1.1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a8dc2764259e4b877a450891d467145b8e142261
SHA256
76f90988d5dc9fced2bbef4aafa86a48379619e9060c14d9a2ef3423797e7463
MD5
5790c4bd0266c93bf3545f20e0575d50

Malwares

  • Tinba

Signatures

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

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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_queries_computername: Retrieves the computer name
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

T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp
T1102.003 cloud_onedrive: Connects to cloud services of Onedrive (potentially for malicious payload delivery)

Other

yara_rules: Static rules
process_crashed: One of the processes has failed
pdf_compressed_stream: Contains an object with compressed stream
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
office_links: Office file contains external links
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
susp_callbacks: Suspicious usage of some WinAPI with callbacks

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