Managed XDR

xxx.exe (Ryuk) — malware analysis report

File info

Filename
xxx.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
142 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
269c58b9a9c7bc05e3767b50f46792f6dc172dbc
SHA256
11cdfe7c4801a46f534128caf2d98ecf6a8899b88892fe3b8541f31798539821
MD5
370975171527a97dc939141c02ed2367

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

T1564.001 stealth_file: Creates hidden or system files
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1070 stealth_window: A process created a hidden window
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 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)

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

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