MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bfdad6451307a77867f50311e9b209f5378d69972a8efafb29cbfda88bced1f. 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



VIPKeylogger


Vendor detections: 19


Intelligence 19 IOCs YARA 4 File information Comments

SHA256 hash: 1bfdad6451307a77867f50311e9b209f5378d69972a8efafb29cbfda88bced1f
SHA3-384 hash: 8cf12e80ef8d3f723b9dbd2eb82ff153d52260f4eb6a71f23576f24a7374356e0604892da2b4cb202190195e67ab3c5e
SHA1 hash: 7c1612d7fc51e33a1f6e7dd8dfc7c8626ea1e6b1
MD5 hash: efb7e0e9783cf27eaf8aab35f0a03657
humanhash: fifteen-ohio-zebra-mississippi
File name:TEKLİF İSTEĞİ 76451_xlsx.exe
Download: download sample
Signature VIPKeylogger
File size:881'152 bytes
First seen:2026-04-16 08:42:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'006 x AgentTesla, 19'912 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 12288:8o7SR6KInAUz9QNHiUpp85QQi2YI1Qsc6F3lrK/CD:DSMQ+9epkQfsjF3le
Threatray 15 similar samples on MalwareBazaar
TLSH T12F15F1316E822660FA690F78C092256A67F8DD061586E72F4FED31F15D76BC9EF0B810
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
Reporter threatcat_ch
Tags:exe VIPKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
169
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
DeepSea
Details
DeepSea
DeepSea decrypted strings
Malware family:
n/a
ID:
1
File name:
_1bfdad6451307a77867f50311e9b209f5378d69972a8efafb29cbfda88bced1f.exe
Verdict:
Malicious activity
Analysis date:
2026-04-16 08:45:19 UTC
Tags:
netreactor evasion snake keylogger telegram stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
underscore dotnet micro smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypt masquerade obfuscated obfuscated unsafe vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-16T05:17:00Z UTC
Last seen:
2026-04-18T05:26:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan-Spy.MSIL.Agent.sb PDM:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.Agensla.gen Trojan.MSIL.Inject.sb Trojan.MSIL.Inject.b Trojan-PSW.Win32.Stelega.sb Trojan-PSW.Win32.Stealer.sb
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
DarkTortilla, Snake Keylogger, VIP Keylo
Detection:
malicious
Classification:
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
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
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 the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected MSIL Injector
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2026-04-16 08:43:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
29
AV detection:
20 of 37 (54.05%)
Threat level:
  2/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger discovery keylogger stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
.NET Reactor proctector
Family: VIPKeylogger
Unpacked files
SH256 hash:
1bfdad6451307a77867f50311e9b209f5378d69972a8efafb29cbfda88bced1f
MD5 hash:
efb7e0e9783cf27eaf8aab35f0a03657
SHA1 hash:
7c1612d7fc51e33a1f6e7dd8dfc7c8626ea1e6b1
Malware family:
SnakeKeylogger
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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

VIPKeylogger

Executable exe 1bfdad6451307a77867f50311e9b209f5378d69972a8efafb29cbfda88bced1f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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