Managed XDR

d151caec-df5b-8d15-8eb2-27cb56b870bc.eml (FormBookFormgrabber) — malware analysis report

File info

Filename
d151caec-df5b-8d15-8eb2-27cb56b870bc.eml
File type
RFC 822 mail, ASCII text, with very long lines, with CRLF line terminators
File size
1.3 MB
First seen
Last seen

Environment

w10/x64 en

Hashes

SHA1
5f9b615d4aa65e1fbc5117f38f885c64c0a6208c
SHA256
bbb2721aa702d12f637056a6f88a336f7df177fd38623899dd59c2423e3cc85b
MD5
2a93db7241c927a3ead14df43439cccb

Malwares

  • FormBookFormgrabber

Signatures

Execution

T1059.001 suspicious_powershell: Creates suspicious PowerShell process

Privilege Escalation

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
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

T1055.002 inject_write_pe: Writes PE file to another process's memory
T1055.012 injection_runpe: Injects code into another process
T1497 manual_ntdll_load: Creates copy of ntdll.dll in memory
T1027.002 unnamed_memory_regions_contains_pe: One or several unnamed memory regions are PE files
T1027.002 unnamed_memory_regions: Code was executed in unnamed regions
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
T1027.002 packer_entropy: Probably contains compressed or encrypted data
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1562.001 windows_defender_add_exclusion: Adds a path to Microsoft Defender exclusion list
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 stealth_window: A process created a hidden window

Credential Access

T1555.004 windows_credential_manager: Acquire credentials from the Windows Credential Manager

Discovery

T1497 manual_ntdll_load: Creates copy of ntdll.dll in memory
T1497 antidbg_query_system: Checks for kernel debugger (SystemKernelDebuggerInformation)
T1497 antidbg_query_process: Checks if the process is being debugged (ProcessDebugPort)
T1497.003 antisandbox_idletime: Detects Windows Idle Time to determine the uptime
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
T1497.003 antisandbox_sleep: The process attempted to slow down analysis

Command and Control

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

Other

steganographic_png: Possible malicious steganographic PNG
yara_rules: Static rules
network_bind: Starts servers listening at None
no_graphical_activity: No graphic activity
has_pdb: This executable file has a PDB path
dotnet_suspicious_module_name: Dotnet program has suspicious module name
creates_suspended_process: Creates suspended process
suspicious_network_port: Performs TCP or UDP request to non-standard port
test_check_service: Starts services
checktokenmembership: Checks user token with CheckTokenMembership call

Related reports