Managed XDR

tas.exe — malware analysis report

File info

Filename
tas.exe
File type
PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
File size
642 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7877e943b50d993b6f6cd20b39b143348d86a199
SHA256
5dfe0e467d030075e30cb872b50f21203c7653c9e8a3ebcb6f8566940f345b70
MD5
bf7f75f732ea25c9b6f4b15930f3a8e3

Signatures

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another 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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
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
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_queries_computername: Retrieves the computer name

Impact

T1565 modifies_hostfile: Writes data to system hosts file

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
dotnet_suspicious_module_name: Dotnet program has suspicious module name