Managed XDR

h-s-ab79211a-725d-42b2...er-e-support-y-guest-r — malware analysis report

File info

Filename
h-s-ab79211a-725d-42b2-8744-e36627725904-i-huntington-20surf-20server-e-support-y-guest-r
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
14.1 MB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
31909bc2cde4d79289af415748053ad095632466
SHA256
b9366902cefb753e3d16c62ce4d70ec0b49dc535249601a2c5327987959103b9
MD5
51714c06571e4834dae5f52f28765749

Signatures

Execution

T1569.002 persistence_service: Starts newly created service

Persistence

T1543.003 creates_service: Creates a service, that will start automatically
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1543.003 creates_service: Creates a service, that will start automatically
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

T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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

T1033 sam_users_discovery: Enumerates users or groups in system with SAM API
T1087.001 local_account_discovery: Enumerates local accounts
T1049 list_ts_rdp_sessions: Lists ts/rdp sessions

Exfiltration

T1022 encrypts_pc_info: Collects and encrypts information about the computer (possibly for exfiltration)

Other

yara_rules: Static rules
prevents_safeboot: Prevents booting in Safe Mode
creates_exe: Creates executable files in the file system
create_rpc_bindings: Creates RPC connection
require_administrator: Requests administrator privileges
has_pdb: This executable file has a PDB path
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
message_box: Displays a message
test_check_service: Starts services
writes_data: Writes big amount of data to disk
pe_overlay: PE file contains overlay
ce_info: ScreenConnect Configuration Data found
valid_authenticode: The digital signature has been verified