Analysis by: Ricardo III Valdez
ALIASES:

Python/Riskware.LdapDump.A (NOD32)

 PLATFORM:

Windows

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Hacking Tool

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel: Downloaded from the Internet, Dropped by other malware

This Hacking Tool arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size: 13,857,421 bytes
File Type: EXE
Memory Resident: No
Initial Samples Received Date: 30 Jul 2023

Arrival Details

This Hacking Tool arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Other Details

This Hacking Tool does the following:

  • It is a domain information dumper via LDAP.
  • It is capable of dumping users/computers/groups and OS/membership information to HTML/JSON/greppable output.

It accepts the following parameters:

  • Usage:
    • {Malware Filename}.exe [-h] [-u USERNAME] [-p PASSWORD] [-at {NTLM,SIMPLE}] [-o DIRECTORY] [--no-html] [--no-json] [--no-grep] [--grouped-json] [-d DELIMITER] [-r] [-n DNS_SERVER] [-m] HOSTNAME
  • Required Options:
    • HOSTNAME, specifies the hostname/IP or ldap://host:port connection string to connect to (Use ldaps:// to use SSL)
  • Main Options:
    • -h, --help, Displays a help message and exits
    • -u {USERNAME}, --user {USERNAME}, Specifies the DOMAIN\username for authentication, leave empty for anonymous authentication
    • -p {PASSWORD}, --password {PASSWORD}, Specifies the password or LM:NTLM hash; will prompt if not specified.
    • -at {NTLM,SIMPLE}, --authtype {NTLM,SIMPLE}, Specifies the authentication type to use (NTLM or SIMPLE, Default: NTLM)
  • Output Options:
    • -o {DIRECTORY}, --outdir {DIRECTORY}, Specifies the directory in which the dump will be saved (Default: current directory)
    • --no-html, Disables HTML output
    • --no-json, Disables JSON output
    • --no-grep, Disables Greppable output
    • --grouped-json, Also write JSON files for grouped files (Default: disabled)
    • -d {DELIMITER}, --delimiter {DELIMITER}, Specifies the field delimiter for greppable output (Default: tab)
  • Misc Options:
    • -r, --resolve, Resolves computer hostnames (Might take a while and cause high traffic on large networks)
    • -n {DNS_SERVER}, --dns-server {DNS_SERVER}, Use custom DNS resolver instead of system DNS (Try a domain controller IP)
    • -m, --minimal, Only query minimal set of attributes to limit memory usage

  SOLUTION

Minimum Scan Engine: 9.800
SSAPI PATTERN File: 2.645.00
SSAPI PATTERN Date: 03 Aug 2023

Step 1

Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.

Step 2

Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.

Step 3

Scan your computer with your Trend Micro product to delete files detected as HackTool.Win64.LDAPDomainDump.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:


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