Managed XDR

000.tar.gz (Tinba) — malware analysis report

File info

Filename
000.tar.gz
File type
gzip compressed data, from Unix
File size
58.6 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
8a0e77e268d319d2c7ac0ed0198fb13e5a3e2fda
SHA256
77974fc312acbe521668422e44c4419154ee4d2ced7ab67439e76316e19ea7c7
MD5
f397b380dda8f436f2b7ab706c8a495a

Malwares

  • Tinba

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

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

T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1480 system_default_lang_id_present: Checks the system language
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_im: Collects information about installed messengers
T1552 infostealer_ftp: Collects data from local FTP clients
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1057 has_wmi: Executes one or several WMI requests
T1057 process_interest: Enumerates processes
T1497.001 antisandbox_script_timer: Detected script timer window (indicative of sleep style evasion)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1082 reads_csrss: Attempts to read csrss.exe memory
T1082 fingerprint_to_file: Collects data about system and user and writes it to a text file

Command and Control

T1102.003 cloud_github: Connects to cloud services of Github (potentially for malicious payload delivery)

Other

yara_rules: Static rules
network_bind: Starts servers listening at None, 127.0.0.1:0
creates_exe: Creates executable files in the file system
dead_host: Connects to IP addresses that do not respond to requests
executes_dropped_exe: Executes dropped exe files
message_box: Displays a message
error_drawtext: An error occured while executing the file
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
open_winlogon_process: Trying to open winlogon process
many_files_in_archive: The archive contains more than 5 files

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