Managed XDR

internaltaskoptio.exe (Agent Tesla) — malware analysis report

File info

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

Environment

win7/x86 en

Hashes

SHA1
639a2aa6167c993d78faf28187617ec78c20b219
SHA256
9426665143b93ea0b7a2ff2c8de8bacb12729c456c58b2f7c7d0f3503ae13711
MD5
1b3aee8204a5f42a8ba4abf7667dc91f

Malwares

  • Agent Tesla

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

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
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
T1564.004 removes_zoneid_ads: Attempts to hide the indications that the file was downloaded from the Internet
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

Other

yara_rules: Static rules
steganographic_png: Possible malicious steganographic PNG
copies_self: Creates a copy of itself
creates_exe: Creates executable files in the file system
no_graphical_activity: No graphic activity
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object

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