Managed XDR

bvvnqaeq.exe (Tinba) — malware analysis report

File info

Filename
bvvnqaeq.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
11.2 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
5124c56a0c642d9714ab985ee3e6403bd09582d1
SHA256
342b34bedcab57bc3c877d732272c7712f8929bf244ca99475a032a9c67b112e
MD5
a145ee2b86574ea8c7d07913b5674c4a

Malwares

  • Tinba

Signatures

Execution

T1569.002 persistence_service: Starts newly created service

Persistence

T1543.003 creates_service: Creates a service, that will start automatically

Privilege Escalation

T1543.003 creates_service: Creates a service, that will start automatically
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: Code was executed in unnamed regions
T1562.004 firewall_add_rule: Modifies Firewall rules
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality

Other

yara_rules: Static rules
creates_in_windows: Creates files in the Windows directory
creates_exe: Creates executable files in the file system
no_graphical_activity: No graphic activity
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

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