Managed XDR

vtdl_rjc2_j99 (njRAT) — malware analysis report

File info

Filename
vtdl_rjc2_j99
File type
Microsoft Word 2007+
File size
151 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
53149acbf58086efc9fb5ee48489de56e1d11e24
SHA256
3329704805d14ae90ae5b20be19d72e93c085e1c54ec0a02879ddd295f47e2b0
MD5
899c579582b19ac685460f2b4f78a87f

Malwares

  • njRAT

Signatures

Execution

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
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

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

T1497.002 async_mouse: Watches for mouse clicks using GetAsyncKeyState to detect human activity
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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

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

Other

yara_rules: Static rules
get_policy_info: Retrieves information about a Policy object
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call

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