Managed XDR

vtdl_vh4pbnrm — malware analysis report

File info

Filename
vtdl_vh4pbnrm
File type
PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows
File size
23.6 MB
First seen
Last seen

Environment

win7/x64 en

Hashes

SHA1
3bbfb8b7d90e5170fd91349f2ba103a14be15925
SHA256
234884cbeb0c6432fecf9d0d621c0ee05e74891cb6c565358141139e5f23797d
MD5
d7721d69a0a97dfa168e04dfca3ca5bd

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

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 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
T1036 system_filename: Created a file named as a common system file
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1574 dropper_dll: Creates DLL, which is then loaded into the process
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

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1082 reads_csrss: Attempts to read csrss.exe memory

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests

Impact

T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)

Other

creates_exe: Creates executable files in the file system
create_process_failed: Could not start the process
executes_dropped_exe: Executes dropped exe files
pe_overlay: PE file contains overlay