MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5a23caa73c73a6bf6da138c7711ce74f5b08c2c5cafd3c5e03de32795cf954b. 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 4 File information Comments

SHA256 hash: f5a23caa73c73a6bf6da138c7711ce74f5b08c2c5cafd3c5e03de32795cf954b
SHA3-384 hash: 2afe942af9f8914cbd63aadba3f516fa37b96cbcb6b160525f61d3fccd1d088e5f75e6fe7c1b3e69df588fc4d91b4488
SHA1 hash: ed935c327df47cfb3f81136c9ce1d23310c85fa4
MD5 hash: 316483947e38cac732c739c7aee118b2
humanhash: ceiling-kansas-ack-nitrogen
File name:f5a23caa73c73a6bf6da138c7711ce74f5b08c2c5cafd3c5e03de32795cf954b
Download: download sample
Signature VIPKeylogger
File size:892'416 bytes
First seen:2025-06-10 11:05:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:4HWkxNiLBAq5FNXdWVp8mEQpU19/CcsMiQheU4F8lgYgmy9b1jDDxHa36ls:yizHI1EDJZszyebF8lgf95FHa3g
TLSH T14415F1A823998802C6BD67F79460E23547B9AD57F021D346ABE46DFF3D72780980D1CB
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 adrian__luca
Tags:exe VIPKeylogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f5a23caa73c73a6bf6da138c7711ce74f5b08c2c5cafd3c5e03de32795cf954b
Verdict:
Malicious activity
Analysis date:
2025-06-10 17:12:22 UTC
Tags:
evasion snake keylogger telegram stealer exfiltration smtp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
agenttesla spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Snake Keylogger, VIP Keylogger
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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)
Uses threadpools to delay analysis
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: 1711249 Sample: fOPlOXg1tw.exe Startdate: 10/06/2025 Architecture: WINDOWS Score: 100 24 reallyfreegeoip.org 2->24 26 api.telegram.org 2->26 28 3 other IPs or domains 2->28 36 Suricata IDS alerts for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 46 9 other signatures 2->46 8 fOPlOXg1tw.exe 4 2->8         started        signatures3 42 Tries to detect the country of the analysis system (by using the IP) 24->42 44 Uses the Telegram API (likely for C&C communication) 26->44 process4 file5 22 C:\Users\user\AppData\...\fOPlOXg1tw.exe.log, ASCII 8->22 dropped 48 Adds a directory exclusion to Windows Defender 8->48 50 Injects a PE file into a foreign processes 8->50 52 Uses threadpools to delay analysis 8->52 12 fOPlOXg1tw.exe 15 2 8->12         started        16 powershell.exe 23 8->16         started        signatures6 process7 dnsIp8 30 api.telegram.org 149.154.167.220, 443, 49709 TELEGRAMRU United Kingdom 12->30 32 checkip.dyndns.com 193.122.130.0, 49692, 49694, 49696 ORACLE-BMC-31898US United States 12->32 34 2 other IPs or domains 12->34 54 Tries to steal Mail credentials (via file / registry access) 12->54 56 Tries to harvest and steal browser information (history, passwords, etc) 12->56 58 Loading BitLocker PowerShell Module 16->58 18 WmiPrvSE.exe 16->18         started        20 conhost.exe 16->20         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2025-06-10 11:06:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery execution keylogger spyware stealer
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
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
VIPKeylogger
Vipkeylogger family
Unpacked files
SH256 hash:
f5a23caa73c73a6bf6da138c7711ce74f5b08c2c5cafd3c5e03de32795cf954b
MD5 hash:
316483947e38cac732c739c7aee118b2
SHA1 hash:
ed935c327df47cfb3f81136c9ce1d23310c85fa4
SH256 hash:
40821f2c5247a234030a44871d4d62035044e2d486432b81e06880213c6fa912
MD5 hash:
c98557f7f6d853d88f1704eeacf3f39d
SHA1 hash:
01fb8c8b57fe8e19022f3fe0ac882c4e9cd9c69c
SH256 hash:
8489daf0cf0f6011ff0376cbb2be1e81e286108f1be29e3384d5ba4451ea8bab
MD5 hash:
773d36941d0de378bd3421839fcfbd0b
SHA1 hash:
1c6b02dfbe4ccd7f84b1ee4cd45c17be9965b916
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
2f56886bf973c93a4b5b70350d1977a10956e8d2ce673d0545329198a0f39a07
MD5 hash:
5f0d4f8237bcc9e203a17fe668a2757e
SHA1 hash:
2fa0da5053de67b42e95f4cfd09f9a37b31e9d3d
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
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

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 (HIGH_ENTROPY_VA)high

Comments