Managed XDR

raid-kostada2-outputs_...07e9415ddb3e.oa.oa.sr1 (BlackMatter, Lockbit) — malware analysis report

File info

Filename
raid-kostada2-outputs_reduced_dataset-mab_1772715072-minimal-bazaar.2023.01__heur-trojan-ransom.win32_ransom.generic-4cefaa9c547f282b73828d5330a47d774fbf23e9cdafe1e4dc7507e9415ddb3e.oa.oa.sr1
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
4.4 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
879c5c85e85e64e550b98315bcf5cd45d7bdb511
SHA256
afe6400052c7862d881f82fe13e3a5f9432aac16cf33ba09640c067bc7a67a49
MD5
477ab04d6385902a757d846c7f1a74e7

Malwares

  • BlackMatter
  • Lockbit

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

Persistence

T1543.003 persistence_services: Modifies Services registry key
T1574.011 persistence_services: Modifies Services registry key

Privilege Escalation

T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
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

T1562.001 disables_security: Disables Windows Security options
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1574.011 persistence_services: Modifies Services registry key
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1486 ransomware_windows_possible: Ransomware indicators detected (possible ransom window creation)
T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1489 stops_service: Stops Windows services
T1561 wiper_zeroed_bytes: Overwrites multiple files with zero bytes (hex 00)
T1486 ransomware_files: Ransomware indicators detected BlackMatter (creates keys and the instruction on how to unlock the files)
T1565.001 overwrites_firefox_settings: Modifies Mozilla Firefox settings
T1489 service_control_stop: Stops services via ControlService

Other

yara_rules: Static rules
ce_info: Lockbit Configuration Data found
accesses_mailslot: Performs a Mailslot ping, possibly used to get Domain Controller information
network_bind: Starts servers listening at None
opens_document: Opens office documents
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay

Related reports

Managed XDR