Managed XDR

c-users-user-desktop-tgpdkjcpylan.exe (Ryuk) — malware analysis report

File info

Filename
c-users-user-desktop-tgpdkjcpylan.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
124.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
17ecc37cd71aed30f24444d1cf768e6b534bcf76
SHA256
ce4452f21e567299cb6140ae00949bf9bee74a63e43ca1ddbf5d632f041bf93f
MD5
c275cd1feb0d4d0fd428a4c817f3dd37

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
T1222 icacls: May obtain or change Discretionary access control lists (DACLs)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1070 stealth_window: A process created a hidden window

Discovery

T1057 process_interest: Enumerates processes
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Collection

T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)
T1486 ransomware_files: Ransomware indicators detected Ryuk (creates keys and the instruction on how to unlock the files)
T1486 ransomware_extensions: Ransomware(s) Ryuk indicators detected (specific extension is added to files)
T1486 ransomware_files_2: Ransomware(s) Ryuk indicators detected (creates keys and the instruction on how to unlock the files)

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
creates_in_programdata: Creates files in the ProgramData directory

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