Managed XDR

vtdl_1762972226_za0jnd37 — malware analysis report

File info

Filename
vtdl_1762972226_za0jnd37
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
52 KB
First seen
Last seen

Environment

w10/x86 en

Hashes

SHA1
ed378ecfa212999203df1e45fd56eaa7e6b39d47
SHA256
2f6eabce7627a5321188fc9105916aff511d29f58afa215b8968015b2953e8f7
MD5
3b2cb009659afd5dca9946c213d39d30

Signatures

Persistence

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup

Privilege Escalation

T1547.001 persistence_autorun: Makes itself run automatically on Windows startup
T1548.002 uac_bypass_diskcleanup: Bypassing Windows User Account Control (DiskCleanup method)
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

T1548.002 uac_bypass_diskcleanup: Bypassing Windows User Account Control (DiskCleanup method)
T1070 stealth_webhistory: Clears browsing history
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1027.002 pe_features: Executable file has PE anomalies (may be false positive)
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1497.001 antivm_queries_computername: Retrieves the computer name

Credential Access

T1552 infostealer_mail: Collects personal data from local email clients
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1057 process_interest: Enumerates processes
T1518 locates_browser: Attempts to identify where browsers are installed
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 500 or more files)
T1561 wiper_zeroed_bytes: Overwrites multiple files with zero bytes (hex 00)
T1565.001 overwrites_firefox_settings: Modifies Mozilla Firefox settings

Other

creates_exe: Creates executable files in the file system
copies_self: Creates a copy of itself
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
break_limit_exceeded: Warning: function calls limit has been exceeded
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
writes_data: Writes big amount of data to disk
Managed XDR