Managed XDR

home-petik-ss-malware-...f_darkside_elex_neshta (BlackMatter, Lockbit, Neshta) — malware analysis report

File info

Filename
home-petik-ss-malware-2025-04-21_303eb0514e712272949688d11dda291f_darkside_elex_neshta
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
193.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
118822a7d9c35aa91b68bb23d3e7be43be0bad5f
SHA256
0225ded4dc1850d79f0ee3a717c2938d3b6436fdca4a1138dfc427095e8fe878
MD5
303eb0514e712272949688d11dda291f

Malwares

  • BlackMatter
  • Lockbit
  • Neshta

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

T1055.012 injection_runpe: Injects code into another process
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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

T1055.012 injection_runpe: Injects code into another process
T1562.001 disables_security: Disables Windows Security options
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1036 system_filename: Created a file named as a common system file
T1574.011 persistence_services: Modifies Services registry key
T1218 suspicious_cmdline_keywords: Cmdline with suspicious keywords
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
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

T1518.001 antiav_detectservice: Attempts to detect installed antiviruses by a certain service
T1497 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Collection

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

Impact

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_message: Ransomware indicators detected (possible ransom message creation)
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
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
creates_in_windows: Creates files in the Windows directory
unsigned_driver_drop: Sample is not signed and drops a device driver
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
neshta_mutexes: Neshta is detected: mutex
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay

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