Managed XDR

vtdl_49t_wbsl (njRAT) — malware analysis report

File info

Filename
vtdl_49t_wbsl
File type
Microsoft Word 2007+
File size
150 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
2cee061f2f9cfff09ca18eb14395143c6a917707
SHA256
eedd7c7db23f986904469667c28cd6acc1dfa79e4fdf0261731d5f55582e7e82
MD5
524aba4045edd8275f3e1dda6bb12eaf

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

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

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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