Managed XDR

v1.exe (Ryuk) — malware analysis report

File info

Filename
v1.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
137.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
59f5a27c077b7dc9ce3ea53a8ef42993d7c2118b
SHA256
be2e948108f5e6ba83bd376886a0e20423bbf3220fb9774eddc4eda55e85f7c9
MD5
f0fb0100761720dfec35dc989887280f

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)
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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)
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

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