Managed XDR

c-windows-x9jab3o.exe — malware analysis report

File info

Filename
c-windows-x9jab3o.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
b336f6e812bdfc17f3b491042053f59260281e19
SHA256
618b0f58c3f2791834f6e78e83911792a281efe1d49b34a796563f23379d16d5
MD5
1bd8fdcf4b48b703079e4212246f8f44

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
T1497 debugs_self: Creates a process and debugs it
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
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