Managed XDR

sysqemcyfne.exe — malware analysis report

File info

Filename
sysqemcyfne.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
File size
94.7 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e6b6bc439cc3c6693601ec05670aff48c59a5557
SHA256
9ba9efc4d573769eb8714101cc8a466ea1134a4e1eb1fd831ba73eb9cc4d2ad9
MD5
b7b72dff0d7901228d51dcbfc76a86fe

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
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
T1027.002 packer_polymorphic: Creates a modified copy of itself
T1027.002 packer_upx: The executable file is compressed using UPX
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1027.002 packer_entropy: Probably contains compressed or encrypted data

Discovery

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_many_processes: Spawns a lot of processes (over 70)
caon_rat_behavior: Exhibits behavior characteristics of BoxCaon RAT
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
pe_overlay: PE file contains overlay