MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aac88b9def1f1fbafdcc038d866997913b52f609465680a1107e70ca2e5fc967. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aac88b9def1f1fbafdcc038d866997913b52f609465680a1107e70ca2e5fc967
SHA3-384 hash: a0a6e1cf8c02582dcef0ebecca8505a24e8881dff46bf4d9b7d1eff72087dfa5d134686849b477c6c960a00414249991
SHA1 hash: 05e54044ce8c0b3157fe5ac17de5f7d0bf95e3b2
MD5 hash: 307c83bb9820596cac7911727fbdf7d9
humanhash: carolina-green-oregon-asparagus
File name:P.O 3805.PDF.z
Download: download sample
Signature MassLogger
Create hunting rule
File size:644'611 bytes
First seen:2025-10-06 09:34:00 UTC
Last seen:2025-10-06 15:12:11 UTC
File type: z
MIME type:application/x-rar
ssdeep 12288:QqB+nUclL/RrhZqRQvZ1vCWSI2jsI+j7JWn7tUvf5f21a/vSej89iZvdxisxRR:xBgUS7RrbdLCWSI2jsI+jUn7tUH5f21Q
TLSH T1D4D423F5C28C4C28C6BDFA7CA614D19089B83F1AFCA426AEEDB7E074D7494144D4E946
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 z


Avatar
cocaman
Malicious email (T1566.001)
From: "Rebecca Lee<info@sec-acc.com>" (likely spoofed)
Received: "from sec-acc.com (unknown [158.94.208.200]) "
Date: "6 Oct 2025 08:11:26 -0700"
Subject: "ENQUIRY FOR NEW - ITEMS PO-3805"
Attachment: "P.O 3805.PDF.z"

Intelligence

File Origin
# of uploads :
2
# of downloads :
57
Origin country :
CH CH
File Archive Information

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

File name:P.O 3805.exe
File size:690'176 bytes
SHA256 hash: 347d109045d063f1afca21b6f2babcf04c809972cfe10ccd90430e1a1f8665e0
MD5 hash: cd6f4b91fdde6aee66a4146a7cc2c41c
MIME type:application/x-dosexec
Signature MassLogger
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e37cbf91bc581176cc4fcc
Tags:
micro spawn shell
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap lolbin msbuild obfuscated packed packed reconnaissance regsvcs rezer0 roboski schtasks stego telegram vbc vbnet
Link:
https://www.filescan.io/uploads/68e38eb6f377ab2310529df0/reports/3c8ddd05-84ac-4953-9011-9e488a07fe8d/overview
Verdict:
Malicious
Labled as:
Malware.Generic
Link:
https://www.hybrid-analysis.com/sample/aac88b9def1f1fbafdcc038d866997913b52f609465680a1107e70ca2e5fc967
Verdict:
Malicious
File Type:
rar
First seen:
2025-10-06T09:23:00Z UTC
Last seen:
2025-10-06T09:55:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/aac88b9def1f1fbafdcc038d866997913b52f609465680a1107e70ca2e5fc967/results?tab=lookup
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aac88b9def1f1fbafdcc038d866997913b52f609465680a1107e70ca2e5fc967/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/aac88b9def1f1fbafdcc038d866997913b52f609465680a1107e70ca2e5fc967
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-10-06 09:34:04 UTC
File Type:
Binary (Archive)
Extracted files:
7
AV detection:
23 of 38 (60.53%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vleixhppd4p3v7omaogym2mxse5vf5qjizlibiiqpzymuls7zftq._file
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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: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 aac88b9def1f1fbafdcc038d866997913b52f609465680a1107e70ca2e5fc967

(this sample)

MassLogger

Executable exe 347d109045d063f1afca21b6f2babcf04c809972cfe10ccd90430e1a1f8665e0

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 347d109045d063f1afca21b6f2babcf04c809972cfe10ccd90430e1a1f8665e0
  
Dropping
MassLogger
  
Dropping
MD5 cd6f4b91fdde6aee66a4146a7cc2c41c

Comments