Managed XDR

sample-20201016-ransom...5c49e08b050ea402141a3f (Ryuk) — malware analysis report

File info

Filename
sample-20201016-ransom_one_trans-a0ca1e30a45c49e08b050ea402141a3f
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
130.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
3c14f0a054e5b636de7d66329cf46a3378b6d644
SHA256
0176c39ce9d4dc7bc18f025f3505d518ed4332351400ae9fce9562b2d383d8c6
MD5
a0ca1e30a45c49e08b050ea402141a3f

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)
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
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

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
static_pe_anomaly: The PE file structure contains anomalies
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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