Managed XDR

design-autosaved-312106111518662144-.asd (njRAT) — malware analysis report

File info

Filename
design-autosaved-312106111518662144-.asd
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Title: RedwaRe, Subject: Hidrosis, Keywords: Ariosto, Comments: Widish, Template: Normal.dotm, Revision Number: 1, Name of Creating Application: Microsoft Office Word, Create Time/Date: Tue May 19 09:11:00 2020, Last Saved Time/Date: Tue May 19 09:11:00 2020, Number of Pages: 1, Number of Words: 0, Number of Characters: 0, Security: 0
File size
40.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
03d6dfa7370c4f020801929f4884e4a729ac6a65
SHA256
f236b5ecb2dbe08650854fc355118377a30a10352e905f70ebed65e177da4e1a
MD5
44d88313e278ab04e6ad60928e820a7f

Malwares

  • njRAT

Signatures

Execution

T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains 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

T1027 office_macros_empty_space: The document contains a macro with a lot of spaces or empty lines
T1064 office_macros_suspicious: Document contains suspicious 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
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1497.001 antivm_queries_computername: Retrieves the computer name

Discovery

T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
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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