Managed XDR

raid-kostada2-outputs_...b89df0.sr1.oa.sr.oa.oa (Neshta, Sodinokibi) — malware analysis report

File info

Filename
raid-kostada2-outputs_reduced_dataset-mab_1772715072-minimal-bazaar.2023.02__virus.win32.neshta_neshta.a-6bfd4fd81e590d1aee9451d5fde3cf5d22706a85e71583a4cce1683d50b89df0.sr1.oa.sr.oa.oa
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
2.4 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
9fb370a5a8e2d15199aea53e5da90d8ac726bc22
SHA256
81f0bf3fcd57a4a640ff5db48488238171a304f96a9f9ed56d5d1c0a0f2196c3
MD5
7dbd77f084f97207c93c84775ebe4fe1

Malwares

  • Neshta
  • Sodinokibi

Signatures

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1036 system_filename: Created a file named as a common system file
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
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_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
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

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 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Impact

T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)

Other

yara_rules: Static rules
ce_info: REvil config Configuration Data found
creates_exe: Creates executable files in the file system
creates_in_windows: Creates files in the Windows directory
create_process_failed: Could not start the process
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
creates_suspended_process: Creates suspended process
access_recyclebin: Manipulation with recyclebin detected
neshta_mutexes: Neshta is detected: mutex
suspicious_network_port: Performs TCP or UDP request to non-standard port
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

Related reports

Managed XDR