Managed XDR

doc1-1-.doc (njRAT) — malware analysis report

File info

Filename
doc1-1-.doc
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Author: Yousof Nahya, Template: Normal.dotm, Last Saved By: Yousof Nahya, Revision Number: 12, Name of Creating Application: Microsoft Office Word, Total Editing Time: 11:00, Create Time/Date: Tue Jul 1 10:42:00 2025, Last Saved Time/Date: Wed Jul 2 08:19:00 2025, Number of Pages: 1, Number of Words: 7, Number of Characters: 22, Security: 0
File size
59.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
c360ecbbb1c14e6fe3a279a644fb6fb7f465036f
SHA256
44ac8fff9b667c3af455c0ec53d293855949cbce2fa0457f2a7858a604c85dfb
MD5
c072dbafb7ce2d9af651958a686f84d9

Malwares

  • njRAT

Signatures

Initial Access

T1192 html_urls: HTML-document downloads a file

Execution

T1203 office_exploit_creates_cmd: The document exhibits suspicious behaviour (creates a cmd.exe process)
T1064 office_macros_suspicious: Document contains suspicious macro
T1059.003 executes_dropped_cmd: Executes dropped batch files
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)
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
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
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Credential Access

T1555.003 cookie_files: Accesses cookie files
T1552 cookie_files: Accesses cookie files

Discovery

T1082 uses_windows_utilities: Uses Windows utilities for basic Windows functionality
T1497 evasion_trustrecords: Attempts to detect Sandbox exploring trusted documents
T1083 checks_recent_files: Attempt to check recently opened files through registry

Other

yara_rules: Static rules
creates_exe: Creates executable files in the file system
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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