Managed XDR

vtdl_1762678073_07dq_mpk (Ragnar Locker, RagnarLocker) — malware analysis report

File info

Filename
vtdl_1762678073_07dq_mpk
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
60.8 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
0cf8c5ecef981557e00de858a1e76fe6e6412ee3
SHA256
27cae5ef4e82d7130581324a34b7d03b13f7139e49e8ac73e831934b0bd00983
MD5
feab4d702f93d5fa980e273f33efb1cb

Malwares

  • Ragnar Locker
  • RagnarLocker

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

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
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
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497.001 antivm_generic_services: Enumerates services, possibly for anti-virtualization
T1497.001 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1082 antivm_generic_disk: Checks information on disk, possibly for anti-virtualization or checking privileges
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1057 process_interest: Enumerates processes
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Impact

T1486 ransomware_files_2: Ransomware(s) RagnarLocker indicators detected (creates keys and the instruction on how to unlock the files)
T1486 ransomware_files: Ransomware indicators detected Ragnar Locker (creates keys and the instruction on how to unlock the files)
T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1486 ransomware_extensions: Ransomware(s) RagnarLocker indicators detected (specific extension is added to files)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies

Other

ransomware_ragnarlocker: Detected RagnarLocker ransomware
ransomware_shadowcopy: Removes volume shadow copies
accesses_mailslot: Performs a Mailslot ping, possibly used to get Domain Controller information
creates_suspended_process: Creates suspended process
test_check_service: Starts services
writes_data: Writes big amount of data to disk

Related reports

Managed XDR