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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625
SHA3-384 hash: 0c966ccb4f4e6c68d3b48418ff43dbd5564aaf8b7cc98e73609b3fe544a0750b8dbadbfdff95637e6e1b69f7305ff4eb
SHA1 hash: dacf234bbd3eb0a13f997c2b02d4911651eb6968
MD5 hash: 0e5573815bbe23c750353a67ece5e412
humanhash: oklahoma-lithium-hot-grey
File name:Invoice 8020065 pdf.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:1'011'712 bytes
First seen:2026-05-20 06:55:35 UTC
Last seen:2026-06-08 09:56:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'287 x AgentTesla, 20'689 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 24576:iKfNZmju84iSwHG/YK8nSJo3/KyLftccCBTA:bojuIM/Ytx3bpaT
Threatray 2'886 similar samples on MalwareBazaar
TLSH T17725126C6F4CC813D8861B340B61F3B162B85DDCF610CA478FEDBCAB3939A55A94A350
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 71d0b26d4da9d22c (5 x Formbook, 2 x SnakeKeylogger, 2 x MassLogger)
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
172
Origin country :
CH CH
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b4eef4bd-8691-44b1-8509-48e4e90b26e7/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-05-20 06:56:16 UTC
Tags:
auto-reg ip-check snake keylogger evasion telegram stealer spyware
Link:
https://app.any.run/tasks/d4d0280a-8a1b-4d9b-8770-ec73e47200c6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
VIPKeyLogger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/66548/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.61182263.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0d5af44159ce11f6019358
Tags:
underscore extens micro shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/6a0d5af2efbd399b39bdcbcf/reports/c5e1304b-142a-4dcc-8f46-4b17567b60a4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-20T00:47:00Z UTC
Last seen:
2026-05-22T05:20:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.MSIL.XWorm.gen Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Injector.sb HEUR:Trojan-Spy.MSIL.Agent.sb Backdoor.Win32.Androm.sb
Link:
https://opentip.kaspersky.com/3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6005b8b0-299e-4e24-b2e5-97d6c5189cb3
Result
Threat name:
Snake Keylogger, VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1916138
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1916138 Sample: Invoice 8020065 pdf.exe Startdate: 20/05/2026 Architecture: WINDOWS Score: 100 53 reallyfreegeoip.org 2->53 55 api.telegram.org 2->55 57 2 other IPs or domains 2->57 71 Suricata IDS alerts for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 81 20 other signatures 2->81 8 Invoice 8020065 pdf.exe 1 7 2->8         started        12 powershell.exe 2->12         started        14 powershell.exe 15 2->14         started        signatures3 77 Tries to detect the country of the analysis system (by using the IP) 53->77 79 Uses the Telegram API (likely for C&C communication) 55->79 process4 file5 39 C:\Users\user\AppData\...\QJsuArGTrXrjsa.exe, PE32 8->39 dropped 41 C:\...\QJsuArGTrXrjsa.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\...\oabutuxko3i.ps1, ASCII 8->43 dropped 45 C:\Users\user\...\Invoice 8020065 pdf.exe.log, ASCII 8->45 dropped 83 Creates autostart registry keys with suspicious values (likely registry only malware) 8->83 85 Creates an autostart registry key pointing to binary in C:\Windows 8->85 87 Adds a directory exclusion to Windows Defender 8->87 89 Injects a PE file into a foreign processes 8->89 16 Invoice 8020065 pdf.exe 15 2 8->16         started        20 powershell.exe 23 8->20         started        22 QJsuArGTrXrjsa.exe 12->22         started        24 conhost.exe 12->24         started        26 QJsuArGTrXrjsa.exe 3 14->26         started        28 conhost.exe 14->28         started        signatures6 process7 dnsIp8 47 checkip.dyndns.com 132.226.247.73, 49715, 49717, 49719 UTMEMUS United States 16->47 49 api.telegram.org 149.154.166.110, 443, 49739, 49756 TELEGRAMRU United Kingdom 16->49 51 reallyfreegeoip.org 104.21.67.152, 443, 49716, 49718 CLOUDFLARENETUS United States 16->51 63 Tries to steal Mail credentials (via file / registry access) 16->63 65 Loading BitLocker PowerShell Module 20->65 30 conhost.exe 20->30         started        67 Injects a PE file into a foreign processes 22->67 32 QJsuArGTrXrjsa.exe 22->32         started        35 QJsuArGTrXrjsa.exe 22->35         started        69 Multi AV Scanner detection for dropped file 26->69 37 QJsuArGTrXrjsa.exe 26->37         started        signatures9 process10 signatures11 59 Tries to steal Mail credentials (via file / registry access) 32->59 61 Tries to harvest and steal browser information (history, passwords, etc) 32->61
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625
Threat name:
ByteCode-MSIL.Trojan.SnakeKeyLogger
Create hunting rule
Status:
Malicious
First seen:
2026-05-20 03:42:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hoapcztoq4sugvkg2aimn53v5scs3v3jcymcgzld4g7ncbb5uysq._file
Verdict:
malicious
Label(s):
vipkeylogger
Create hunting rule
Similar samples:
09b8a80183a41a92c60fbacf9ee319291e37ae6d4ce0521b23b236b46e095956
MassLogger
1d2a2b5e545def1978b91058fe027033b646d1bc1876b219b0963a073141e867
MassLogger
7db983607b14ea67a3d656542e033ba69fdbd3a4bcb7bea0251205d219ab71bd
MassLogger
8ece82ad36ddad1e13a955098ea9629364950ed21a1155d7be4921208e62eb0c
MassLogger
99f8a75fb301a60588d16fc659fda59f2c48cddfd2d3a730cf9a97d98b1b6023
MassLogger
d6255b39e2be431e6226c8414b75721a16c114960f8a87acc06ea9fa7563006f
MassLogger
error
MassLogger
faa236eaf11ddab3abe7dcc8c69613d89edf60da47060bf6dc881fa9e118cd9e
MassLogger
+ 2'876 additional samples on MalwareBazaar
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger persistence spyware stealer
Link:
https://tria.ge/reports/260520-hp5czaht4x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Family: VIPKeylogger
Malware Config
C2 Extraction:
https://api.telegram.org/bot8099843793:AAGeYKMLti1IpyT9o6bz7OtgdXF9md25uXA/sendMessage?chat_id=6337180137
Unpacked files
SH256 hash:
3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625
MD5 hash:
0e5573815bbe23c750353a67ece5e412
SHA1 hash:
dacf234bbd3eb0a13f997c2b02d4911651eb6968
Link:
https://www.unpac.me/results/2d9288f4-f656-4a7d-ac8f-fc47fcdad928/
SH256 hash:
b8ac5aaeb8221bebba6bc94bdc49a29ce21ae4a533020f63053c7d3e697366a2
MD5 hash:
850e6288f6d9e22ee76c902bee2ba3cb
SHA1 hash:
01f134ed341a84e19ad4196839b20f9b12569bd7
Link:
https://www.unpac.me/results/2d9288f4-f656-4a7d-ac8f-fc47fcdad928/
SH256 hash:
3c855bbfae22eaccd00cb2947bf2f05fb733a99b4df7a767a7614be4086807e7
MD5 hash:
df945bc1cc642d673d52736f827cf6a4
SHA1 hash:
074684d7341a15208e584b6aa6cd8a6bc7d6cc99
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
triage_snakekeylogger_infostealer
Create hunting rule
Link:
https://www.unpac.me/results/2d9288f4-f656-4a7d-ac8f-fc47fcdad928/
Parent samples :
6ea116b59ac03c3211143de70e7ed3843d57a39b0c87936e58d1c5c8e17b439b
2b1709a9c749ff0e6bca3643813dd090ac492a20104666259f65939d5e0c40b0
9d5c8e9c41ff08b0a3be489ac1ef0f014f2749ad0e3217af2e0665c514a072fc
e463f87a0c098ff8bcbc4c262e9eddf3dea51148d2ba9d12c64addb21e2ff978
ccbdec866c4dc5272bf35d9e08186c71031cfc63d37e45d96a35d69cdfb5dfe6
3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625
733c3e1e510fe841346e63a3728ec2d195951ef1b70992ee1de55e42f353a10c
82e9f638f4235a110559bbb2e9d83c4f72c23040799c80fde7e9503cfe66aa6e
6a2cefdd2b5810aef5388f4b23392847ae4abe6d4142ea7145e0afd04c00fcab
f861e0a3713c68251d0a7bbed32dd0a28244f2fbf261986df942cddbbea4c90e
6eec837ef183484c588803026b979cb724909e5f62923786c771b6a38bda35e9
4c641df2e4ba6ede0916b22008a6bf4e539fd7581c9ebec5f63afec985853d07
574a4e7a5f2cc7b755da86c4233e08c05f244c722deba53df766bcd96cfd1311
a6a4be0c04b60ae7b77928507231bb35bb6c0625b61fc489ac120ee1cfe4ed54
SH256 hash:
7e5e42651838afcb21918d7c4cec7d2a3352a51bd32f572a8a889e47cedb7c89
MD5 hash:
bc5c24037c01c45d357e78aae1457f88
SHA1 hash:
8b6115e53004c4330550467a4d67c509dc98452b
Link:
https://www.unpac.me/results/2d9288f4-f656-4a7d-ac8f-fc47fcdad928/
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b80f1666e87/report/overview.html
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/3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625

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: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

File information

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

Malspam

MassLogger

Executable exe 3b80f1666e8725435546d010c6f775ec852dd7691618236563e1bed1043da625

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/66548/

Comments