Managed XDR

vtdl_iadz281n (Tinba) — malware analysis report

File info

Filename
vtdl_iadz281n
File type
PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, UPX compressed
File size
81.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
0e8dbbabe6369b2fef41293e6ef9d8054ccbcd5b
SHA256
c6341698029eb7e6b197cccd9710f7a85fcd02ffa4d6be54db988a266cb27866
MD5
532f9f064dabdeb81e4f965f4f5b10b9

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
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
T1082 reads_csrss: Attempts to read csrss.exe memory

Impact

T1486 modifies_files2: Cryptolocker indicators detected (50 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
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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