Managed XDR

vtdl_iopvw_xw (ALPHV) — malware analysis report

File info

Filename
vtdl_iopvw_xw
File type
PE32 executable (console) Intel 80386 (stripped to external PDB), for MS Windows
File size
5.2 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
63c31bcda20194821d142a0ed131eb32649aa32e
SHA256
595cd80f8c84bc443eff619add01b86b8839097621cdd148f30e7e2214f2c8cb
MD5
bd1efe953875f35cc8b787c0980e8a75

Malwares

  • ALPHV

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

T1070.004 deletes_self: Moves to different location or removes the original executable file
T1497.001 antivm_network_adapters: Checks NIC addresses
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process
T1070.004 self_removal_command: Executes command to delete itself

Credential Access

T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1083 crawls_directories: Opens a huge number of directories all over disk C: (possibly, searches for sensitive data)
T1057 process_interest: Enumerates processes
T1497.001 antivm_network_adapters: Checks NIC addresses

Collection

T1074.001 access_recyclebin: Manipulation with recyclebin detected

Impact

T1490 vssadmin_delete_shadows: Attempt to delete volume shadow copies
T1486 modifies_files2: Cryptolocker indicators detected (100 or more files are modified)
T1486 modifies_files: Cryptolocker indicators detected (renamed 100 or more files)
T1486 ransomware_message: Ransomware indicators detected (possible ransom message creation)

Other

yara_rules: Static rules
ransomware_shadowcopy: Removes volume shadow copies
unsigned_driver_drop: Sample is not signed and drops a device driver
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call
writes_data: Writes big amount of data to disk

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