Managed XDR

vtdl_zp_hsg0f (SideWinder.Stealer.NET) — malware analysis report

File info

Filename
vtdl_zp_hsg0f
File type
Zip archive data, at least v2.0 to extract
File size
4.5 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
b1fb77cfa292aa4ffed80fe6c7a429caa5c9e60b
SHA256
4e0d6d1dda2f939574d117827bafc07ce6406e78a8356e8a9dbdee6239006398
MD5
6866048d223f3b6af43fba4c0ad78a45

Malwares

  • SideWinder.Stealer.NET

Signatures

Execution

T1059.003 executes_dropped_cmd: Executes dropped batch files
T1047 antivm_wmi: Uses WMI to detect virtual environment
T1047 has_wmi: Executes one or several WMI requests

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
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 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
T1497.001 antivm_firmware: Attempts to detect VM by firmware
T1497.001 antivm_vbox_acpi: Detects virtualization using ACPI
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1027.001 static_overlay_padding: Overlay contents padding
T1134 sets_privilegies_via_adjusttokenprivileges: Sets process privilege via AdjustTokenPrivileges
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window
T1480 system_default_lang_id_present: Checks the system language
T1574 dropper_dll: Creates DLL, which is then loaded into the 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_im: Collects information about installed messengers
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1552.001 infostealer_winscp: Collects information from configuration file of WinSCP
T1552.002 infostealer_steam: Attempts to collect information about Steam account
T1552 infostealer_mail: Collects personal data from local email clients
T1552 infostealer_ftp: Collects data from local FTP clients
T1552.001 infostealer_vpn: Collects information about installed VPN software
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 antidbg_setinformationthread: Attempts to evade debugger using NtSetInformationThread
T1497.001 antivm_generic_bios: Checks the BIOS version, possibly for anti-virtualization
T1497.001 antivm_firmware: Attempts to detect VM by firmware
T1497.001 antivm_vbox_acpi: Detects virtualization using ACPI
T1033 sam_users_discovery: Enumerates users or groups in system with SAM API
T1497.001 antivm_wmi: Uses WMI to detect virtual environment
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1082 has_wmi: Executes one or several WMI requests
T1518 recon_programs: Collects information about installed programs
T1518.001 wmi_check_av: Uses WMI to check for installed antivirus software
T1057 has_wmi: Executes one or several WMI requests
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1497.001 antivm_generic_video: Checks information about video adapters in registry, possibly for anti-virtualization
T1497.001 antivm_queries_computername: Retrieves the computer name
T1082 checks_firmware: Attempts to read firmware information (potentially for evasion)
T1135 server_share_info: Retrieves information about each shared resource on a server

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
executes_dropped_exe: Executes dropped exe files
sidewinder_apt_behavior: Demonstrates behavioral characteristics of SideWinder backdoor
creates_exe: Creates executable files in the file system
suricata_alert: Malicious traffic detected
create_process_failed: Could not start the process
unexpected_exception: Unexpected exception
dotnet_suspicious_resources_names: Dotnet program has suspicious resources names
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
dotnet_import_unmanaged_code: Dotnet program statically imports unmanaged functions/modules
message_box: Displays a message
static_compression_ratio: Very high compression ratio of a file
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
static_big_overlay: Executable file contains an enormously big overlay

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