Managed XDR

vtdl_fsyh25_c (Mimikatz) — malware analysis report

File info

Filename
vtdl_fsyh25_c
File type
PE32 executable (GUI) Intel 80386, for MS Windows
File size
1 MB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
36a35eaf83593f3efa13c025ce80da0b79a2074b
SHA256
3ff8c75de6448c4bf4d0315ec4691f805c50bb6dfe132c8f348da034c68c4180
MD5
4fc2c4cc7494647bc97d4b7480c4c8a5

Malwares

  • Mimikatz

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

T1096 persistence_ads: Creates Alternate Data Stream (ADS)
T1027.002 packer_entropy: Probably contains compressed or encrypted data
T1550.003 pass_the_ticket: Pass The Ticket is detected
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

T1003.001 dumps_lsass: Dumps lsass.exe process (probably, to extract credentials)

Discovery

T1518.001 antidbg_devices: Checks for devices typical for debuggers and forensic tools
T1057 process_interest: Enumerates processes
T1082 fingerprint_to_file: Collects data about system and user and writes it to a text file

Lateral Movement

T1550.003 pass_the_ticket: Pass The Ticket is detected

Other

yara_rules: Static rules
mimikatz2: Reads lsass.exe memory and sets privileges
mimikatz: Mimikatz indicators detected
mimikatz_cmdline_2: Mimikatz indicators detected (command line)
creates_exe: Creates executable files in the file system
executes_dropped_exe: Executes dropped exe files
unexpected_exception: Unexpected exception
static_pe_duplicate_sections: The PE file structure contains anomalies: duplicate section names
no_graphical_activity: No graphic activity
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
get_policy_info: Retrieves information about a Policy object
creates_in_programdata: Creates files in the ProgramData directory
checktokenmembership: Checks user token with CheckTokenMembership call

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