Managed XDR

vtdl_1786147615_fffom0u6 (BlackMatter, Lockbit, DarkSide) — malware analysis report

File info

Filename
vtdl_1786147615_fffom0u6
File type
Zip archive data, at least v2.0 to extract
File size
793.5 KB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
d772e3a41c4e87d5e3802fd08816585fcee16450
SHA256
9858d26478aa2d94cad5219411ebb73b475541335c8ca8df248383894305e015
MD5
8e29a1df3380d2dddd063cf805778e76

Malwares

  • BlackMatter
  • Lockbit
  • DarkSide

Signatures

Privilege Escalation

T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization
T1134 sets_privilegies_via_rtladjustprivilege: Sets process privilege via RtlAdjustPrivilege
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_mail: Collects personal data from local email clients
T1552.001 infostealer_bitcoin: Attempts to obtain access to Bitcoin/ALTCoin wallets
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
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager
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)
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_printers: Attempts to detect Sandbox by exploring existing printers
T1497.001 antivm_generic_productname: Checks system product name in registry, possibly for anti-virtualization

Collection

T1114 infostealer_mail: Collects personal data from local email clients

Command and Control

T1071.001 winhttp_https: Performs HTTP/HTTPS requests using WinHttp

Impact

T1486 modifies_files2: Cryptolocker indicators detected (500 or more files are modified)

Other

yara_rules: Static rules
cryptolocker_wallpaper: Ransomware indicators detected (changes the desktop wallpaper file)
network_bind: Starts servers listening at None
only_exec_in_archive: The archive contains only an executable file
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
require_administrator: Requests administrator privileges
access_recyclebin: Manipulation with recyclebin detected
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services

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