Managed XDR

r2.exe (Conti) — malware analysis report

File info

Filename
r2.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
354.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
10ca8b4501705f00c5d6e6b5fa7e4393d074d358
SHA256
67a2509a9d55161138699d442c69662ecb85108c92c6efbeee67faf899c32116
MD5
883c0f592acaa47b3e0205e5b36f5d61

Malwares

  • Conti

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

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

T1070.001 wevtutil_clear_log: Clears event log using wevtutil
T1562 firewall_disable: Disables Firewall
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
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

T1057 has_wmi: Executes one or several WMI requests
T1057 process_interest: Enumerates processes
T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Impact

T1490 wbadmin_delete_backup: Removes system backup copies using wbadmin utility
T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
ransomware_shadowcopy: Removes volume shadow copies
ransomware_bcdedit: Runs bcdedit commands specific to ransomware
creates_in_windows: Creates files in the Windows directory
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
test_check_service: Starts services

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