Managed XDR

calc.exe — malware analysis report

File info

Filename
calc.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
300 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
f28033ac8d3ed82231e6f03613f699ef778f7952
SHA256
046212f75ffcd566a657dc6bcbbd21b0f790240692bc9842b60cbc2b3a7e9941
MD5
90efaaed531943e83450bad94d6ab90e

Signatures

Execution

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Persistence

T1053.005 creates_tasks: Creates a delayed task using Task Scheduler

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1053.005 creates_tasks: Creates a delayed task using Task Scheduler
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1562.001 disables_security: Disables Windows Security options
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
T1562 dep_disable: Disables DEP
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1480 system_default_lang_id_present: Checks the system language
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
T1027.002 packer_vb: The executable file is packed using VB

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions

Other

copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
suspicious_process: Spawns a suspicious process
executes_dropped_exe: Executes dropped exe files
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
get_policy_info: Retrieves information about a Policy object
Managed XDR