Managed XDR

sort (Tofsee) — malware analysis report

File info

Filename
sort
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
167.5 KB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
e7b818055af9fd7195bc969aaa6573a7a2386afc
SHA256
5147c9153446aa678865da973a75dac3e9a33c4f720213758df8812ba49605a6
MD5
c26c9121ee5f20bdbdbdbe24aced49d1

Malwares

  • Tofsee

Signatures

Execution

T1059.003 executes_dropped_cmd: Executes dropped batch files
T1059.003 suspicious_batch: Suspicious batch

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1574.011 persistence_services: Modifies Services registry key
T1543.003 persistence_services: Modifies Services registry key

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1055.002 inject_write_pe: Writes PE file to another process's memory
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 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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1070.004 deletes_self: Moves to different location or removes the original executable file
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1564.001 stealth_file: Creates hidden or system files
T1070.004 self_delete_bat: Creates and runs a .bat file that removes the original binary file
T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1574.011 persistence_services: Modifies Services registry key
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1070 stealth_window: A process created a hidden window
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_queries_computername: Retrieves the computer name

Discovery

T1497.001 antivm_generic_scsi: Attempts to detect virtualization by SCSI Disk Identifier
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
dead_host: Connects to IP addresses that do not respond to requests
suspicious_process: Spawns a suspicious process
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process

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