MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1fb135c4d92c08dc4f8862c318d63dd6a4c328497eb87a970001d929a9ac4f4. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


MassLogger


Vendor detections: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1fb135c4d92c08dc4f8862c318d63dd6a4c328497eb87a970001d929a9ac4f4
SHA3-384 hash: 4d5b9aa756164f65504a4993425b7fce87404a5cb14ffa8fb11d099fa61384725803738bcc805a253a9a15c8732d58f1
SHA1 hash: 264e3110852e281bccb9f8b423ae2d17b6ef96ba
MD5 hash: 5a030d29c4bdf66d89ffefda352cf4f4
humanhash: uniform-mountain-seven-south
File name:MT103 -PL94970 08102025.PDF.z
Download: download sample
Signature MassLogger
Create hunting rule
File size:641'719 bytes
First seen:2025-10-09 13:16:40 UTC
Last seen:Never
File type: z
MIME type:application/x-rar
ssdeep 12288:osPNYRc1zdhgatJznGdssllJ00hDOfghZRwxqNYjSsroT1X+Vs/elCVHGNXHQZ:cwzLgatlGeslc0A+ZR6uYDJVsRVHGNXg
TLSH T1D8D4336C738BB54A2DA9604726F2ED03418BE235911E1CEA76BC37560847CFD1AB37E1
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter cocaman
Tags:MassLogger payment z


Avatar
cocaman
Malicious email (T1566.001)
From: "Jessy Li<jessy@lantiantcca.com>" (likely spoofed)
Received: "from lantiantcca.com (unknown [158.94.208.200]) "
Date: "9 Oct 2025 06:11:13 -0700"
Subject: "Overdue Payment"
Attachment: "MT103 -PL94970 08102025.PDF.z"

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:MT103 -PL94970 08102025.exe
File size:672'768 bytes
SHA256 hash: d46843479cda8643d472722e93d81c268b38f743ba8874e9e3d52aa837ad35eb
MD5 hash: 91b5344dfc13378633bb8a37183368a8
MIME type:application/x-dosexec
Signature MassLogger
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e7b5c37f305fa2545df414
Tags:
infosteal shell spawn sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/68e7b5da5a3bccf09ebf293b/reports/f8ad0b79-b5b1-4fc8-a4fe-c282c6b428ab/overview
Verdict:
Suspicious
Labled as:
Mal/DrodRar
Link:
https://www.hybrid-analysis.com/sample/c1fb135c4d92c08dc4f8862c318d63dd6a4c328497eb87a970001d929a9ac4f4
Verdict:
Malicious
File Type:
rar
First seen:
2025-10-09T04:11:00Z UTC
Last seen:
2025-10-11T09:22:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/c1fb135c4d92c08dc4f8862c318d63dd6a4c328497eb87a970001d929a9ac4f4/results?tab=lookup
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1fb135c4d92c08dc4f8862c318d63dd6a4c328497eb87a970001d929a9ac4f4/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/c1fb135c4d92c08dc4f8862c318d63dd6a4c328497eb87a970001d929a9ac4f4
Threat name:
ByteCode-MSIL.Trojan.XWorm
Create hunting rule
Status:
Malicious
First seen:
2025-10-09 12:58:24 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yh5rgxcnslai3rhyqywdddld3vveymues7vypklqaaozfgu2yt2a._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/c1fb135c4d92c08dc4f8862c318d63dd6a4c328497eb87a970001d929a9ac4f4

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win32_dotnet_form_obfuscate
Create hunting rule
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

MassLogger

z c1fb135c4d92c08dc4f8862c318d63dd6a4c328497eb87a970001d929a9ac4f4

(this sample)

MassLogger

Executable exe d46843479cda8643d472722e93d81c268b38f743ba8874e9e3d52aa837ad35eb

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 d46843479cda8643d472722e93d81c268b38f743ba8874e9e3d52aa837ad35eb
  
Dropping
MassLogger
  
Dropping
MD5 91b5344dfc13378633bb8a37183368a8

Comments