Managed XDR

endotoxin.exe — malware analysis report

File info

Filename
endotoxin.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive
File size
241.4 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
d6284b2628716c740f79503db8e205e5a294431d
SHA256
64eed9b265e3983a12fb838562fbfd2c8730b6f348e5621e0d1a528642931dbd
MD5
9807a804ce67fd6fbe19a4dcea2cf1c0

Signatures

Execution

T1059 nsis_suspicious_filenames: Nsis contains files with suspicious names

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 nsis_archive: One of the packages is NSIS archive
T1027.002 nsis_suspicious_filenames: Nsis contains files with suspicious names

Credential Access

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1057 process_interest: Enumerates processes

Other

yara_rules: Static rules
create_process_failed: Could not start the process
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_exe: Creates executable files in the file system
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay
open_winlogon_process: Trying to open winlogon process
executes_dropped_exe: Executes dropped exe files