Managed XDR

rurkbdxn.exe (Tinba) — malware analysis report

File info

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

Environment

win7/x86 en

Hashes

SHA1
1bcb0c8fa266bb08fa2733d4c44b9304315b96e0
SHA256
bb05d2cb5f97ec2599fb79aa9fa0f5ea2f941bf26a19d0c11fcd7700e22fa91d
MD5
97f724035770720fe72b38404ca929e6

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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