Managed XDR

home-petik-ss-malware-...e-loader_stealc_tofsee (Tofsee) — malware analysis report

File info

Filename
home-petik-ss-malware-2025-07-07_457e7c55c61b05f240730994f2719536_elex_gcleaner_rhadamanthys_smoke-loader_stealc_tofsee
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
12.3 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
9214bc4702378196f540527b1b3ca9151a5c3b8a
SHA256
926d8a222c56ae3acae3a74c325914c799e4631f4e8d2094a4e308a6db019f6f
MD5
457e7c55c61b05f240730994f2719536

Malwares

  • Tofsee

Signatures

Resource Development

T1586.001 social_instagram: Connects to Instagram domains (potentially for information gathering)
T1585.001 social_instagram: Connects to Instagram domains (potentially for information gathering)
T1586.001 social_telegram: Connects to Telegram (potentially for information gathering)
T1585.001 social_telegram: Connects to Telegram (potentially for information gathering)

Execution

T1569.002 persistence_service: Starts newly created service

Persistence

T1543.003 creates_service: Creates a service, that will start automatically

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1543.003 creates_service: Creates a service, that will start automatically
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_contains_pe: One or several unnamed memory regions are PE files
T1070.004 deletes_self: Moves to different location or removes the original executable file
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1562.001 disables_security: Disables Windows Security options
T1562.004 firewall_add_rule: Modifies Firewall rules
T1096 persistence_ads: Creates Alternate Data Stream (ADS)
T1112 creates_largekey: Saves very large data in the registry, can be used to save the configuration or body of the malware
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.001 antivm_network_adapters: Checks NIC addresses
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1218 suspicious_cmdline_keywords: Cmdline with suspicious keywords
T1070 stealth_window: A process created a hidden window
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.001 antivm_queries_computername: Retrieves the computer name

Discovery

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.003 network_smtp: Sends emails, possibly SPAM
T1071.001 network_http: Performs HTTP requests

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_in_windows: Creates files in the Windows directory
network_bind: Starts servers listening at 0.0.0.0:5570
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
suspicious_process: Spawns a suspicious process
network_ftp: Performs FTP requests
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
origin_langid: Unconventional language of the executable file
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

Related reports

Managed XDR