MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5656e875b83bebc1cf7858d3ba52e4d6ce3d0dadc46ca291fa7902b70b0f7c02. 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: 7


Intelligence 7 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5656e875b83bebc1cf7858d3ba52e4d6ce3d0dadc46ca291fa7902b70b0f7c02
SHA3-384 hash: 540527919651680e2a86bf31d935b25b964e2b4fffaa11e9818565e51fae0558f046da9e3567ff02f60b9a4f905d7352
SHA1 hash: f6e8567f5be00e93b2310bbe7f499176984df83a
MD5 hash: f381004d472c1d7004cb774e6cadcdc1
humanhash: don-undress-six-four
File name:PO 2025-TY25.r00
Download: download sample
Signature MassLogger
Create hunting rule
File size:477'130 bytes
First seen:2025-04-10 10:25:58 UTC
Last seen:Never
File type: r00
MIME type:application/x-rar
ssdeep 12288:ok6NadCcJMi/x4djtLT83/ehJXs5zrWcj9rS:ok6pyMiajtLo3/kJ8RJjA
TLSH T14FA4233ED56E6B9DC798C4C01003D367AD47389E834D00519ABA66DDA987FA0E63CEDC
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 r00


Avatar
cocaman
Malicious email (T1566.001)
From: "rogershi@tonixchem.com" (likely spoofed)
Received: "from [141.98.10.71] (unknown [141.98.10.71]) "
Date: "10 Apr 2025 10:21:52 +0200"
Subject: "=?UTF-8?B?5Zue5aSNOiBQTyAyMDI1LVRZMjU=?="
Attachment: "PO 2025-TY25.r00"

Intelligence

File Origin
# of uploads :
1
# of downloads :
89
Origin country :
CH CH
File Archive Information

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

File name:PO 2025-TY25.exe
File size:549'888 bytes
SHA256 hash: 0103b1c78fd2b588d3df5c688369fce8621e8c22d3207faaa1e8404c0ac860c9
MD5 hash: 10aaceadec26c650766661b7dea12619
MIME type:application/x-dosexec
Signature MassLogger
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f79fadd6e7c3effacedc29
Tags:
backdoor smtp hype
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected phishing vbnet
Link:
https://www.filescan.io/uploads/67f79cc0eb7eb0aee04330a0/reports/d5a7ecac-7380-48b8-89df-9c2836b7e3ec/overview
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/5656e875b83bebc1cf7858d3ba52e4d6ce3d0dadc46ca291fa7902b70b0f7c02
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5656e875b83bebc1cf7858d3ba52e4d6ce3d0dadc46ca291fa7902b70b0f7c02/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-04-10 10:04:34 UTC
File Type:
Binary (Archive)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kzloq5nyhpv4dt3yldj3uuxe23hd2dnnyrwkfep2peblocyppqba._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5656e875b83bebc1cf7858d3ba52e4d6ce3d0dadc46ca291fa7902b70b0f7c02

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:win32_dotnet_form_obfuscate
Create hunting rule
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_404keylogger_g1
Create hunting rule
Author:Rony (@r0ny_123)
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

MassLogger

r00 5656e875b83bebc1cf7858d3ba52e4d6ce3d0dadc46ca291fa7902b70b0f7c02

(this sample)

MassLogger

Executable exe 0103b1c78fd2b588d3df5c688369fce8621e8c22d3207faaa1e8404c0ac860c9

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 0103b1c78fd2b588d3df5c688369fce8621e8c22d3207faaa1e8404c0ac860c9
  
Dropping
MassLogger
  
Dropping
MD5 10aaceadec26c650766661b7dea12619

Comments