Managed XDR

wextract.exe-.mui (Tinba) — malware analysis report

File info

Filename
wextract.exe-.mui
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
4.3 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
fde2f1aa350cc48a96b54224fd3a725081e56f62
SHA256
970b97a023c52106dcb42358b4a67c17c59e662f2d0b9b90cce548027ae83a9e
MD5
9e815e3ba725999851f8070ec97bb5e0

Malwares

  • Tinba

Signatures

Execution

T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.003 suspicious_batch: Suspicious batch

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 packer_themida: Themida packer signatures detected
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 packer_enigma: Enigma protector indicators detected
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization
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

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
create_process_failed: Could not start the process
codepage: Checks the system code page
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
executes_dropped_exe: Executes dropped exe files

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