Managed XDR

changemacaddressportable.exe — malware analysis report

File info

Filename
changemacaddressportable.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
File size
3.2 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a273d4061392154403d06ba7a962cfd2ac642dff
SHA256
10dee4a4c2dd61423f8b414960fa2729a826023232a6245ee7f5f4b7134c839b
MD5
b2d90e50e1d78bbfcd544e5472d0357a

Signatures

Execution

T1059.003 executes_dropped_cmd: Executes dropped batch files
T1106 susp_callbacks: Suspicious usage of some WinAPI with callbacks

Persistence

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

Privilege Escalation

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

T1564.001 stealth_file: Creates hidden or system files
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1027.002 packer_upx: The executable file is compressed using UPX
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027 many_env_vars: An extensive number of environment variables has been created (possible sign of obfuscation)
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070 stealth_window: A process created a hidden window
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Discovery

T1497.001 antivm_disk_size: Checks the amount of free disk space
T1057 process_interest: Enumerates processes
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1135 server_share_info: Retrieves information about each shared resource on a server

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
pe_overlay: PE file contains overlay