Managed XDR

vtdl_lju3yczx (njRAT) — malware analysis report

File info

Filename
vtdl_lju3yczx
File type
Microsoft OOXML
File size
128.6 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
171180e569249e865b456d0649d13f13233a8cf6
SHA256
02d0c65716dfbf74d0164cd0c3956eb1d2d4e12bdaec5730d79ab5ee78071351
MD5
fcbb52347eb734bfdb49cd1121b43f30

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
T1497.001 antivm_queries_computername: Retrieves the computer name
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
T1497.001 antivm_queries_computername: Retrieves the computer name
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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