Managed XDR

c-windows-9z7twla.exe (QNAPcrypt, Diavol) — malware analysis report

File info

Filename
c-windows-9z7twla.exe
File type
PE32+ executable (console) x86-64, for MS Windows
File size
76.5 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
933dd001a46c5a7e96844dbc3aca0d698a8cac1f
SHA256
d0466e125c838eb309b3dd961c7cc7cdff6a7f06d0d3c6226156bf9c9e130e7c
MD5
5cba126288ac9244edcd29f818448b0c

Malwares

  • QNAPcrypt
  • Diavol

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_process_token: Opens the access token associated with a process

Defense Evasion

T1564.001 stealth_file: Creates hidden or system files
T1497.001 antivm_vbox_keys: Detects VirtualBox through the presence of a registry key
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497.001 antivm_vbox_keys: Detects VirtualBox through the presence of a registry key
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1497.001 antivm_queries_computername: Retrieves the computer name

Impact

T1486 ransomware_files_2: Ransomware(s) QNAPCrypt indicators detected (creates keys and the instruction on how to unlock the files)

Other

yara_rules: Static rules
ce_info: Diavol Configuration Data found
diavol: Detected Diavol ransomware
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
http_file_not_found: Attempts to download EXE or DLL file but receives HTML with an error
process_crashed: One of the processes has failed
unexpected_exception: Unexpected exception
no_graphical_activity: No graphic activity
test_check_service: Starts services

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