MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3df9e83771521fec5ee089e5030efa2f520d4bd804c49231fb12b753c4458f7f. 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



SnakeKeylogger


Vendor detections: 19


Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash: 3df9e83771521fec5ee089e5030efa2f520d4bd804c49231fb12b753c4458f7f
SHA3-384 hash: cae35ae8c7daa0a7dbc4d3e37dd4954318641df0bda9fd928988decadc1b3d3b2110aca24d8217098bb4386258e7cb93
SHA1 hash: 752bd13bdbf5a9414cbc2a5b26c351deb9ec2756
MD5 hash: 1ab77f936f53c565c51715ae25e7c8c2
humanhash: snake-artist-pip-london
File name:kuzuoglu_inquiry 24561 pdf.zip.exe
Download: download sample
Signature SnakeKeylogger
File size:759'296 bytes
First seen:2025-09-24 07:21:03 UTC
Last seen:2025-09-29 06:59:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:cWl37blg9nOyKD0eswZtYd0FW5dOBbHgKsvFCIcvoDSIa8gAAbnRk:blWtOyJL0tc0FWdkgKs9C1iSIX0R
Threatray 410 similar samples on MalwareBazaar
TLSH T116F4025A235AEA11D9A24BF005B1D3B11378BE8DE811D3435EFABCEFBC397416611293
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe SnakeKeylogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
92
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Inquiry kuzuoglu_inquiry 24561.eml
Verdict:
Malicious activity
Analysis date:
2025-09-22 18:57:19 UTC
Tags:
susp-attachments attachments attc-unc arch-exec auto-sch-xml snake keylogger evasion telegram stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus spawn spam msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
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
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Forced shutdown of a browser
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-22T14:06:00Z UTC
Last seen:
2025-09-22T14:06:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.SnakeLogger.HTTP.C&C Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Taskun.gen Trojan-Spy.Agent.SMTP.C&C Trojan-PSW.Win32.Stealer.sb Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan.MSIL.Taskun.sb Trojan.Taskun.TCP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stelega.sb
Result
Threat name:
Snake Keylogger, VIP Keylogger
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Found malware configuration
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: MSBuild connects to smtp port
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1783102 Sample: kuzuoglu_inquiry 24561 pdf.... Startdate: 24/09/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 api.telegram.org 2->48 50 7 other IPs or domains 2->50 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 68 16 other signatures 2->68 8 kuzuoglu_inquiry 24561 pdf.zip.exe 7 2->8         started        12 xsavZEKPUXZE.exe 5 2->12         started        signatures3 64 Tries to detect the country of the analysis system (by using the IP) 46->64 66 Uses the Telegram API (likely for C&C communication) 48->66 process4 file5 38 C:\Users\user\AppData\...\xsavZEKPUXZE.exe, PE32 8->38 dropped 40 C:\Users\...\xsavZEKPUXZE.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpD94D.tmp, XML 8->42 dropped 44 C:\...\kuzuoglu_inquiry 24561 pdf.zip.exe.log, ASCII 8->44 dropped 70 Writes to foreign memory regions 8->70 72 Allocates memory in foreign processes 8->72 74 Adds a directory exclusion to Windows Defender 8->74 14 MSBuild.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        76 Multi AV Scanner detection for dropped file 12->76 78 Injects a PE file into a foreign processes 12->78 24 MSBuild.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 52 us2.smtp.mailhostbox.com 208.91.199.223, 49726, 49727, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->52 54 api.telegram.org 149.154.167.220, 443, 49719, 49724 TELEGRAMRU United Kingdom 14->54 56 2 other IPs or domains 14->56 80 Loading BitLocker PowerShell Module 18->80 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        82 Tries to steal Mail credentials (via file / registry access) 24->82 84 Tries to harvest and steal browser information (history, passwords, etc) 24->84 36 conhost.exe 26->36         started        signatures9 process10
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.35 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2025-09-22 17:54:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger persistence stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
VIPKeylogger
Vipkeylogger family
Verdict:
Malicious
Tags:
404Keylogger
YARA:
n/a
Unpacked files
SH256 hash:
3df9e83771521fec5ee089e5030efa2f520d4bd804c49231fb12b753c4458f7f
MD5 hash:
1ab77f936f53c565c51715ae25e7c8c2
SHA1 hash:
752bd13bdbf5a9414cbc2a5b26c351deb9ec2756
SH256 hash:
0dc882694751726b3c82c0561a968bb3a63be0b3ad1ecf42f7e49e2226845eb8
MD5 hash:
d0e2c05365c5ff161785d900a69f7321
SHA1 hash:
0e23fa035c8aac35586771baf2ad1699715f2885
Detections:
win_404keylogger_g1 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
ce275bb632f90959b476550ac948397e8cbd77bb7816de0d360f1d61d0abba7b
MD5 hash:
5bfdb58c2fc52343f22274c122adb6c8
SHA1 hash:
5727c4bedb0915a77b52f50164243c8e605dc459
SH256 hash:
6a39723ce04f89912b13b25c7bd2fa0b47a2be20e3f6ce114829000cc212bba4
MD5 hash:
dc33e69734574bb2d838b7f69a3f2bee
SHA1 hash:
c2cd46b5a390a28b886fe4690d50ca62800da581
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
Malware family:
VIPKeylogger
Verdict:
Malicious
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
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
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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

SnakeKeylogger

Executable exe 3df9e83771521fec5ee089e5030efa2f520d4bd804c49231fb12b753c4458f7f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments