Managed XDR

17dc00186646012628717a2d5eedb889.virus (Tinba) — malware analysis report

File info

Filename
17dc00186646012628717a2d5eedb889.virus
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
305e47e8521e578d1517677831727a1548029964
SHA256
d673e4cfcb8248494552c083c08fa9534fda6f0731474287f5eb5fd67e7dab22
MD5
17dc00186646012628717a2d5eedb889

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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_upx: The executable file is compressed using UPX
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
T1082 reads_csrss: Attempts to read csrss.exe memory

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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