Managed XDR

dttcodexgigas.b9816944...60a21b9bdb0de492328981 — malware analysis report

File info

Filename
dttcodexgigas.b9816944f5e868067e60a21b9bdb0de492328981
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.1, Code page: 1251, Name of Creating Application: Microsoft Excel, Last Printed: Wed Jun 22 15:59:22 2022, Create Time/Date: Fri Jun 5 18:19:34 2015, Last Saved Time/Date: Tue Apr 9 06:40:55 2024, Security: 0
File size
168 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
b9816944f5e868067e60a21b9bdb0de492328981
SHA256
9ac5fa37f5cf3d0201f0e70a3e6527e58250ddcff77370262b8cb377e8c5995f
MD5
9a784e04ea826bb50f2172f57d7d3f2d

Signatures

Execution

T1203 office_write_exe: Office document dropped an executable file
T1203 office_runs_dll: Suspicious document behaviour (tries to execute dll file)
T1559 suspicious_process: Spawns a suspicious process
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

Persistence

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

Privilege Escalation

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

T1218.011 rundll_shell32: Uses ShellExec_RunDLL to run an executable file
T1574 dropper_dll: Creates DLL, which is then loaded into the process
T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1497 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1082 windows_enumthread: Attempts to enumerate windows using EnumThreadWindows and SendMessage for text obtaining
T1135 server_share_info: Retrieves information about each shared resource on a server
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
modifies_certs: Attempts to generate or modify system certificates
creates_exe: Creates executable files in the file system
suspicious_process_network: Unusual process network activity detected
process_crashed: One of the processes has failed
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
creates_suspended_process: Creates suspended process
break_limit_exceeded: Warning: function calls limit has been exceeded
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card