Managed XDR

locker.exe (Conti) — malware analysis report

File info

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

Environment

win7/x86 en

Hashes

SHA1
0c616602882d08fb5bf3175839f22a5e921bd7b1
SHA256
1df9398f6de2d0abe0400180f3499f93bc77f6b769d68ed9f4298c488c4e48db
MD5
cc378f899d56f8d3c76b9905b47a84a6

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

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

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1555.003 cookie_files: Accesses cookie files
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1057 process_interest: Enumerates processes
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1518 locates_browser: Attempts to identify where browsers are installed

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Impact

T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 ransomware_files: Ransomware indicators detected Conti (creates keys and the instruction on how to unlock the files)
T1486 ransomware_files_2: Ransomware(s) Conti indicators detected (creates keys and the instruction on how to unlock the files)

Other

yara_rules: Static rules
ransomware_shadowcopy: Removes volume shadow copies
no_graphical_activity: No graphic activity
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services

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