Managed XDR

meeting_notice_43435.pub (njRAT) — malware analysis report

File info

Filename
meeting_notice_43435.pub
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 6.2, Code page: 1252, Author: Windows User
File size
213.5 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
a645a760fe7b4387309d5b2a781bcb129c9b6d01
SHA256
9f6497795716566d6634e33537f70759548ad66f89403ed3eb292b09402aff5c
MD5
d577409a753519b33657b79e155480e7

Malwares

  • njRAT

Signatures

Execution

T1064 office_macros_suspicious: Document contains suspicious macro
T1204.002 office_strings: Office file contains suspicious strings
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

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1064 office_macros_suspicious: Document contains suspicious macro
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey
T1064 office_macros: The document contains 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

T1497.003 antisandbox_sleep: The process attempted to slow down analysis
T1497.002 antivm_usbstor: Reads information about usbdevices from regkey

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
create_rpc_bindings: Creates RPC connection
error_drawtext: An error occured while executing the file
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

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