Managed XDR

c-users-user-desktop-file.exe (Tinba) — malware analysis report

File info

Filename
c-users-user-desktop-file.exe
File type
PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
File size
75.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
5be1fc5e18f2beff9314cb1930d565a1c6f41670
SHA256
7994e6e331d9f15cb01bfb4b950241bc966e15df70fed1cc90261db73cff2957
MD5
1cce0a5b7a48f4f2d1c779672269dac7

Malwares

  • Tinba

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
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_polymorphic: Creates a modified copy of itself
T1027.002 packer_upx: The executable file is compressed using UPX
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
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

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Impact

T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
create_process_failed: Could not start the process
no_graphical_activity: No graphic activity
access_recyclebin: Manipulation with recyclebin detected
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay

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