Managed XDR

c-windows-d6nnfk.exe — malware analysis report

File info

Filename
c-windows-d6nnfk.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
4.1 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
058a5e621e423d0258bb7a23c314e1afc58cc057
SHA256
6dc4c6be1f3df75de4359e434ca7a7bb68abf3458f526d84ff24317e220615b1
MD5
5f98a97b748e8814c8c15101313281a0

Signatures

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 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

T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_network_adapters: Checks NIC addresses
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

Discovery

T1497 debugs_self: Creates a process and debugs it
T1497.001 antivm_network_adapters: Checks NIC addresses

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
no_graphical_activity: No graphic activity
net_dumps_in_native: .Net dumps have been found in native PE
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
error_drawtext: An error occured while executing the file
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
ce_info: ScreenConnect Configuration Data found