Managed XDR

msorun.dll (Tinba) — malware analysis report

File info

Filename
msorun.dll
File type
PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
File size
681 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3939f365e6a9fb33d5178d7d23d716fbb916e93b
SHA256
fb9eef8e8d3ed04289e3272dd67dc1540b524e8f595a6e87f5d49b7153fc95ce
MD5
6f1db8dcf8a5ca7be69d6badb65c6d4b

Malwares

  • Tinba

Signatures

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
T1055 injection_failed: The attempt to inject into a process has failed

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.001 antivm_disk_size: Checks the amount of free disk space
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
T1055 injection_failed: The attempt to inject into a process has failed

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1518 locates_browser: Attempts to identify where browsers are installed

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
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
access_recyclebin: Manipulation with recyclebin detected
writes_data: Writes big amount of data to disk

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