Managed XDR

design-autosaved-311915164114609264-.asd (njRAT) — malware analysis report

File info

Filename
design-autosaved-311915164114609264-.asd
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Virus Lab, Template: Normal.dotm, Last Saved By: Replication System, Revision Number: 3, Name of Creating Application: Microsoft Office Word, Create Time/Date: Wed Jun 16 21:03:00 1999, Last Saved Time/Date: Tue Feb 4 20:38:00 2003, Number of Pages: 1, Number of Words: 0, Number of Characters: 0, Security: 0
File size
81.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
505e2d7cb4a4ba6c053214964c8a318feef83be4
SHA256
27bdaebf7437d3efa3920857d45a80f2802f036af32983e79dc6985c9c6ff25c
MD5
b5391cd97452d9a4920b615810aeef87

Malwares

  • njRAT

Signatures

Execution

T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macroses (total: 2)
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_suspicious: Document contains suspicious macro
T1564 office_vba_stomping: VBA Stomping was detected in the document (the VBA source code and P-code are different)
T1064 office_macros: The document contains macroses (total: 2)
T1064 office_macros_strings: Feature lines found in document macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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

T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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
office_summary: The document contains suspicious metadata
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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