Managed XDR

2ec5256a7edb90b1c05c92...35aa83c30b8dbbeff8.exe (Ryuk) — malware analysis report

File info

Filename
2ec5256a7edb90b1c05c92f79e8a48c205b29e1ac910a535aa83c30b8dbbeff8.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
134.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
2ab44cf5338ef5ed118365b4e8452b906c0dab4b
SHA256
2ec5256a7edb90b1c05c92f79e8a48c205b29e1ac910a535aa83c30b8dbbeff8
MD5
a5c70086b3bc4fe64f4e7a0aa452e620

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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