MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb905df5f8331f4e4a47130c8b48c70fa1b8fee5f64d34365b5ca34a6872eda6. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb905df5f8331f4e4a47130c8b48c70fa1b8fee5f64d34365b5ca34a6872eda6
SHA3-384 hash: 23547b6d3842166e26d471907b8bfe90512947ee281caa21b6854e4e40633906e16d662620ee4aabcecf47485df83c89
SHA1 hash: 11360974eeab03d201db5107cb67a2b5f92178e2
MD5 hash: 9391d27df10b0b2b7c436dc9d787cc8f
humanhash: happy-bluebird-robin-salami
File name:TeklifFormu_2885.hta
Download: download sample
Signature MassLogger
Create hunting rule
File size:2'366'772 bytes
First seen:2026-04-28 15:00:35 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/csv
ssdeep 1536:FPmnxFGBVnyYt5GsnVp5hCHkw76AvFuE3wtrTnqy1VbnsV70xn35yxB14axwtrTp:F3
Threatray 1 similar samples on MalwareBazaar
TLSH T140B5EA25243FF690D8034DFF53849622C8EDB23AAC3389D569B69AFC5EA9CF484D1D14
Magika javascript
Reporter lowmal3
Tags:hta MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.VBS.Starter.519.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/fb905df5f8331f4e4a47130c8b48c70fa1b8fee5f64d34365b5ca34a6872eda6/results/dashboard
Behaviour
BlacklistAPI detected
Gathering data
Verdict:
Malicious
Labled as:
JS/Agent.DXZ
Link:
https://www.hybrid-analysis.com/sample/fb905df5f8331f4e4a47130c8b48c70fa1b8fee5f64d34365b5ca34a6872eda6
Verdict:
Malicious
File Type:
hta
First seen:
2026-04-28T07:58:00Z UTC
Last seen:
2026-04-30T13:28:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/fb905df5f8331f4e4a47130c8b48c70fa1b8fee5f64d34365b5ca34a6872eda6/results?tab=lookup
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1905824
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Detected large data written to user environment variables, potentially indicating payload staging for fileless execution
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Suspicious MSHTA Child Process
Suspicious powershell command line found
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Powershell download and execute
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1905824 Sample: TeklifFormu_2885.hta Startdate: 28/04/2026 Architecture: WINDOWS Score: 100 21 reallyfreegeoip.org 2->21 23 proemails.shop 2->23 25 2 other IPs or domains 2->25 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 47 8 other signatures 2->47 8 mshta.exe 1 2->8         started        signatures3 45 Tries to detect the country of the analysis system (by using the IP) 21->45 process4 signatures5 49 Suspicious powershell command line found 8->49 51 Bypasses PowerShell execution policy 8->51 53 Creates processes via WMI 8->53 55 Detected large data written to user environment variables, potentially indicating payload staging for fileless execution 8->55 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 27 104.249.10.169, 49694, 80 SEABONE-NETTELECOMITALIASPARKLESpAIT United States 11->27 29 proemails.shop 217.21.77.24, 443, 49693 IPPLANET-ASIL United Kingdom 11->29 57 Writes to foreign memory regions 11->57 59 Injects a PE file into a foreign processes 11->59 15 CasPol.exe 15 4 11->15         started        19 conhost.exe 11->19         started        signatures8 process9 dnsIp10 31 checkip.dyndns.com 158.101.44.242, 49698, 80 ORACLE-BMC-31898US United States 15->31 33 reallyfreegeoip.org 104.21.67.152, 443, 49702 CLOUDFLARENETUS United States 15->33 35 Tries to steal Mail credentials (via file / registry access) 15->35 37 Tries to harvest and steal browser information (history, passwords, etc) 15->37 signatures11
Score:
65%
Verdict:
Susipicious
File Type:
SCRIPT
Link:
https://malprob.io/report/fb905df5f8331f4e4a47130c8b48c70fa1b8fee5f64d34365b5ca34a6872eda6
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb905df5f8331f4e4a47130c8b48c70fa1b8fee5f64d34365b5ca34a6872eda6/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7oif35pygmpu4sshcmgiwsghb6q3r7xf6zgtins3lsruu2ds5wta._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
Similar samples:
error
MassLogger
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/260428-t9qabsfx2j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Family: MassLogger
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.99
Link:
https://yomi.yoroi.company/submissions/fb905df5f8331f4e4a47130c8b48c70fa1b8fee5f64d34365b5ca34a6872eda6

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:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Malspam

MassLogger

HTML Application (hta) hta fb905df5f8331f4e4a47130c8b48c70fa1b8fee5f64d34365b5ca34a6872eda6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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