Managed XDR

c-autoprocess-vtscoret...a2fcff70ef4defece0.exe (Ryuk) — malware analysis report

File info

Filename
c-autoprocess-vtscoretemp-virus-ransomware-f71c8ba616f936a2fcff70ef4defece0.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
135 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3e8010e87ca92c52059ef2efd139c41e7c5bd6e7
SHA256
5e2c9d80fa4528fe9777738a9cba9ede08cdae353fd4cb2d9caf0c9801fd5711
MD5
f71c8ba616f936a2fcff70ef4defece0

Malwares

  • Ryuk

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

Defense Evasion

T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1564.001 stealth_file: Creates hidden or system files
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window

Discovery

T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Other

yara_rules: Static rules
ryuk: Detected Ryuk ransomware
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
get_policy_info: Retrieves information about a Policy object
pe_overlay: PE file contains overlay

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