Managed XDR

vtdl_nj4xegej (FormBookFormgrabber) — malware analysis report

File info

Filename
vtdl_nj4xegej
File type
Zip archive data, at least v2.0 to extract
File size
33.1 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
e396fac69de70f604518eb59cff25a8f61acc4c7
SHA256
fd4524a4581365fb9f4336149516338c8c88dff9f758b0e34c6ddd750abf6b62
MD5
49b2041f2b306b11db269027f0e1a264

Malwares

  • FormBookFormgrabber

Signatures

Persistence

T1574 dropper_dll: Creates DLL, which is then loaded into the process

Privilege Escalation

T1055 injection_runpe_2: Executes injected code in another process
T1055.012 injection_runpe: Injects code into another process
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Defense Evasion

T1055 injection_runpe_2: Executes injected code in another process
T1055.012 injection_runpe: Injects code into another process
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1036.001 invalid_authenticode: Digital signature of the executable file has failed the verification
T1055.002 inject_write_pe: Writes PE file to another process's memory
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.001 antivm_network_adapters: Checks NIC addresses
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1574 dropper_dll: Creates DLL, which is then loaded into the process

Credential Access

T1552 infostealer_browser: Retrieves personal information from local Internet browsers
T1503 infostealer_browser: Retrieves personal information from local Internet browsers
T1552 infostealer_mail: Collects personal data from local email clients
T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.001 antivm_network_adapters: Checks NIC addresses
T1518 locates_browser: Attempts to identify where browsers are installed
T1497 evasion_diskenum: Sandbox evasion using enumeration of partitions
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Collection

T1114 infostealer_mail: Collects personal data from local email clients
T1115 checks_clipboard: Monitors clipboard data

Command and Control

T1071.001 network_cnc_http: Suspicious HTTP traffic
T1071.001 network_http: Performs HTTP requests
T1071.001 wininet_https: Performs HTTP/HTTPS requests using WinInet

Other

yara_rules: Static rules
suricata_alert: Malicious traffic detected
creates_exe: Creates executable files in the file system
only_exec_in_archive: The archive contains only an executable file
pe_overlay: PE file contains overlay
get_memory_status: Gets information about the virtual and physical memory of the system
creates_in_programdata: Creates files in the ProgramData directory
get_sid_domain: Get user's SID
get_username: Gets username
test_check_service: Starts services
create_rpc_bindings: Creates RPC connection
checktokenmembership: Checks user token with CheckTokenMembership call
has_pdb: This executable file has a PDB path

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