Managed XDR

keygen.exe — malware analysis report

File info

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

Environment

win7/x86 en

Hashes

SHA1
d460b048f78b472260e6fc99933ca4490fe332ae
SHA256
a4b64831abb47db6a5a79039322fc8fa3739bcb3b991cf972b4196ff274ea645
MD5
1faa25cfa099352a69631cc6b5e582f1

Signatures

Execution

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

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

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1027.002 packer_vb: The executable file is packed using VB
T1480 system_default_lang_id_present: Checks the system language
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

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
dns_without_resolve: DNS query without a response
executes_dropped_exe: Executes dropped exe files
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
error_drawtext: An error occured while executing the file
pe_overlay: PE file contains overlay