Managed XDR

lexviewer.exe — malware analysis report

File info

Filename
lexviewer.exe
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
2.6 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
57951ee02e90d4f30c5f89540614a3444f609d94
SHA256
57472045c2ef7f71a022f190aadefb75d8cfc59cda7aa84fbdf8a4eda31f41e2
MD5
c39fd0b488ad9e912323ea5b22ae4031

Signatures

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

Defense Evasion

T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_queries_computername: Retrieves the computer name
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.001 antivm_queries_computername: Retrieves the computer name

Command and Control

T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

rat_teamviewer: TeamViewer indicators detected (registry or mutexes)
rat_teamviewer_files: TeamViewer indicators detected (files)
dns_without_resolve: DNS query without a response
create_rpc_bindings: Creates RPC connection
has_pdb: This executable file has a PDB path
get_policy_info: Retrieves information about a Policy object
checktokenmembership: Checks user token with CheckTokenMembership call