Managed XDR

vtdl_81_yf7vz (GandCrab) — malware analysis report

File info

Filename
vtdl_81_yf7vz
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
93 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
5684772747353695141719063a9b9098e569553d
SHA256
6f9693fe49dec98721b25ec53888e0bf25ca38dcc600c67adbd7af14eb91235c
MD5
773a29630aca740e0fb8c349236fdce2

Malwares

  • GandCrab

Signatures

Execution

T1047 has_wmi: Executes one or several WMI requests

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

T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name
T1070 stealth_window: A process created a hidden window
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

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497.001 antivm_generic_cpu: Checks the CPU name, possibly for anti-virtualization
T1497.001 antivm_disk_size: Checks the amount of free disk space
T1057 process_interest: Enumerates processes
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.001 antivm_queries_computername: Retrieves the computer name

Collection

T1113 screenshot_file: Possibly, makes a screenshot and saves it to a file

Command and Control

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

Impact

T1486 ransomware_windows_possible: Ransomware indicators detected (possible ransom window creation)
T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
ransomware_shadowcopy: Removes volume shadow copies
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
dns_without_resolve: DNS query without a response
unexpected_exception: Unexpected exception
create_rpc_bindings: Creates RPC connection
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services

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