Managed XDR

vtdl_8vbmg9x6 (njRAT) — malware analysis report

File info

Filename
vtdl_8vbmg9x6
File type
Microsoft Word 2007+
File size
149.9 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
7795a63ff618a40ced25823647dfd60df73d4eb6
SHA256
ce9f4c1bd44ff0a9131e63cf4f8c0ce5c1c8e4eb77bffe843a325d08b34eb9bb
MD5
80fd5db1b1ba6cfbab12ccc73c7c8d92

Malwares

  • njRAT

Signatures

Execution

T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Privilege Escalation

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

T1497.001 antivm_queries_computername: Retrieves the computer name
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
T1064 office_macros: The document contains macro
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro

Discovery

T1497.001 antivm_queries_computername: Retrieves the computer name
T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
T1083 checks_recent_files: Attempt to check recently opened files through registry
T1135 server_share_info: Retrieves information about each shared resource on a server

Other

yara_rules: Static rules
create_rpc_bindings: Creates RPC connection
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
checktokenmembership: Checks user token with CheckTokenMembership call

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