MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf
SHA3-384 hash: 77881727ab102e2f5fee08aec2edc1a43d078ab255c0c2dfccec07b42fe704d4c8fa4120883078f603276782e40a6df8
SHA1 hash: 5852e2fc118da43c49b42fe46d60c0d03d38358c
MD5 hash: fdd224b3cd8d440a9786c94489310ed9
humanhash: river-diet-oxygen-grey
File name:GkTJnP6BTRynV93.exe
Download: download sample
Signature VIPKeylogger
Create hunting rule
File size:781'312 bytes
First seen:2025-07-09 17:11:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:TFAkO9AFtK1fDJ1qPV7jMVOw2QaFKKU4SOw0qghxpU4IqCiXxysu/kK6:ekQCtK71qdjtLNXSOwIvm4vTXpzK
Threatray 2'231 similar samples on MalwareBazaar
TLSH T1D3F4F1737954F822CD606379462DE3BA626C5E949013C3D28AF8BE7B7A557C32DC44C2
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
dhash icon f0d4e68a9abcf071 (2 x Formbook, 1 x SnakeKeylogger, 1 x VIPKeylogger)
Reporter threatcat_ch
Tags:exe VIPKeylogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
33
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf.exe
Verdict:
Malicious activity
Analysis date:
2025-07-09 17:12:48 UTC
Tags:
snake keylogger evasion netreactor telegram stealer auto-sch-xml
Link:
https://app.any.run/tasks/d1cf8b70-4dc8-4d86-9ec7-105319b33bca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/13709/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686ea2f9900df8e7f8692da3
Tags:
micro spawn shell spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap obfuscated obfuscated packed packed packed reconnaissance roboski stego vbnet
Link:
https://www.filescan.io/uploads/686ea2fb0737c4165a976887/reports/acda6050-4ec0-4c07-9f44-21851f302f6e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e0ca4a6-ef96-4291-9250-21c609b451a5
Result
Threat name:
Snake Keylogger, VIP Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1733454
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
Contains functionality to capture screen (.Net source)
Found malware configuration
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733454 Sample: GkTJnP6BTRynV93.exe Startdate: 11/07/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 api.telegram.org 2->48 50 2 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 12 other signatures 2->68 8 GkTJnP6BTRynV93.exe 7 2->8         started        12 wfvtNjro.exe 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 40 C:\Users\user\AppData\Roaming\wfvtNjro.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp9A74.tmp, XML 8->42 dropped 44 C:\Users\user\...behaviorgraphkTJnP6BTRynV93.exe.log, ASCII 8->44 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 8->70 72 Adds a directory exclusion to Windows Defender 8->72 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 21 8->20         started        22 schtasks.exe 1 8->22         started        74 Multi AV Scanner detection for dropped file 12->74 24 schtasks.exe 12->24         started        26 RegSvcs.exe 12->26         started        signatures6 process7 dnsIp8 52 api.telegram.org 149.154.167.220, 443, 49737 TELEGRAMRU United Kingdom 14->52 54 checkip.dyndns.com 158.101.44.242, 49719, 49723, 49725 ORACLE-BMC-31898US United States 14->54 56 reallyfreegeoip.org 104.21.16.1, 443, 49720, 49724 CLOUDFLARENETUS United States 14->56 76 Tries to steal Mail credentials (via file / registry access) 14->76 78 Tries to harvest and steal browser information (history, passwords, etc) 14->78 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        36 conhost.exe 24->36         started        38 WerFault.exe 26->38         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.02 Win 32 Exe x86
Link:
https://app.malva.re/file/fdd224b3cd8d440a9786c94489310ed9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf/
Threat name:
ByteCode-MSIL.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-07-09 03:58:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tgxx6qhzzhmfrkslumvlb5jfhnzpa445v5l7nsgni6owu76el3hq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
vipkeylogger
Create hunting rule
Similar samples:
49cb7c21ad3d17b2111afa0bd8cff61b959e1d2a0cb8914a22d4bd12feaaa725
VIPKeylogger
78c91dfa31a75509e395f91851f05edcc46d8fadff48cd10990e8fc3fce07026
VIPKeylogger
99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf
VIPKeylogger
def4d29cc639d0ceeaea2a2955da0e1dba5c72dc1058959340fa112830dc5c4b
VIPKeylogger
error
VIPKeylogger
f1a63402b0f5d6fa912631cb835ab163cf88156bc391fb207af6a143b0162584
VIPKeylogger
+ 2'221 additional samples on MalwareBazaar
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger persistence stealer
Link:
https://tria.ge/reports/250709-vq1sdszny4/
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:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c8412646-85e4-4296-acdf-d10c1437d13a
Unpacked files
SH256 hash:
99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf
MD5 hash:
fdd224b3cd8d440a9786c94489310ed9
SHA1 hash:
5852e2fc118da43c49b42fe46d60c0d03d38358c
Link:
https://www.unpac.me/results/ef63c9f2-9c1c-44cf-ba00-526cda17e57a/
SH256 hash:
6c2d57f95c299f1935f40d1a9da87a35e3686d6fae289f5f08aed07cd1003963
MD5 hash:
ed3c77b359e09ea8a8618e12e8c4f0ac
SHA1 hash:
3ee3419cbf2ad8d34577dfe1e11863d8d9b5869c
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/ef63c9f2-9c1c-44cf-ba00-526cda17e57a/
Parent samples :
832be1b7d27a96922edd6ccb8bf771d2f7ff6dd2fb9a0e76663956c2ce820abc
99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf
SH256 hash:
6fa20eb7a7cfe623d68dccbbf2985bbeaa2a94bf776647ad7e6bc74ab749cbee
MD5 hash:
83b14fc31e617c0afd6266b3375e7bc0
SHA1 hash:
8f713fce97b8314949be03d3afc9877fa1bf842c
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/ef63c9f2-9c1c-44cf-ba00-526cda17e57a/
SH256 hash:
6918d5076dec6746fcbb9034f34c52d93c45b0577d4139aa4881da915a10bef2
MD5 hash:
e0252b67e64055ab8f9e758abebd7c06
SHA1 hash:
fc812406b2feb46a6c0118e12d48f979eba135f8
Detections:
win_404keylogger_g1
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/ef63c9f2-9c1c-44cf-ba00-526cda17e57a/
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
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

VIPKeylogger

Executable exe 99af7f40f9c9d858aa4ba32ab0f5253b72f0739daf57f6c8cd479d6a7fc45ecf

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/13709/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments