MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411. 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: 16


Intelligence 16 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411
SHA3-384 hash: 222389dc9698f05becdb2ac16a28c06b63a1417da5acbe37e39be26251438185da5be6e00eaf58c70b60a77babdf6b69
SHA1 hash: 7a8fb39517189d7179b03b623a3fee6ff61c397a
MD5 hash: e2ab4d3e7bc3f09163b6a527d7e4b28c
humanhash: eight-vegan-johnny-failed
File name:4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411
Download: download sample
Signature MassLogger
Create hunting rule
File size:576'512 bytes
First seen:2025-04-08 08:34:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:HI32iNczJ+Wnqn++UpNBKiSKH07gTV64mvilPmkicp3rp:o31qzMO4iSKH034llPm+
Threatray 2'446 similar samples on MalwareBazaar
TLSH T1B9C40168A395D613C6A657B50972F274237E2EDDF820D21A5FEC6EEF7976B004C40283
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 MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411
Verdict:
Malicious activity
Analysis date:
2025-04-08 13:39:08 UTC
Tags:
snake keylogger evasion stealer ims-api generic
Link:
https://app.any.run/tasks/939904a4-d589-432c-a892-aa4486826c76

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4e1c5e011fe619fad2533
Tags:
masslogger virus spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67f4dfd6231e7d1c755ae1b4/reports/a7bf317b-5996-4304-9fe4-85488b1dcac4/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5dea6780-d6bc-401b-b529-e9d16aa3343c
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1659555
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
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
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1659555 Sample: pNrya0R6Ie.exe Startdate: 08/04/2025 Architecture: WINDOWS Score: 100 27 reallyfreegeoip.org 2->27 29 checkip.dyndns.org 2->29 31 checkip.dyndns.com 2->31 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 53 10 other signatures 2->53 8 pNrya0R6Ie.exe 4 2->8         started        12 svchost.exe 1 1 2->12         started        signatures3 51 Tries to detect the country of the analysis system (by using the IP) 27->51 process4 dnsIp5 25 C:\Users\user\AppData\...\pNrya0R6Ie.exe.log, ASCII 8->25 dropped 55 Adds a directory exclusion to Windows Defender 8->55 57 Injects a PE file into a foreign processes 8->57 15 pNrya0R6Ie.exe 15 2 8->15         started        19 powershell.exe 23 8->19         started        33 127.0.0.1 unknown unknown 12->33 file6 signatures7 process8 dnsIp9 35 checkip.dyndns.com 158.101.44.242, 49687, 80 ORACLE-BMC-31898US United States 15->35 37 reallyfreegeoip.org 104.21.112.1, 443, 49688 CLOUDFLARENETUS United States 15->37 39 Tries to steal Mail credentials (via file / registry access) 15->39 41 Tries to harvest and steal browser information (history, passwords, etc) 15->41 43 Loading BitLocker PowerShell Module 19->43 21 WmiPrvSE.exe 19->21         started        23 conhost.exe 19->23         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-03-26 13:45:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
24 of 36 (66.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4zu6wqqjtpnb7cddvy2xz3dc3zo4rkexdly3ffdbwubrh7veqiq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
4b3ed5cefa81dc79adf5fc75cbe448da1b89f9937e642fac40b4295714d2aad3
MassLogger
80edf30940ba58cb632cb8b5bbed7f57df1dbc9c682ddc744b9ed44af3583db8
MassLogger
91c51905a2db1c29aa562d975beac52d8895342b0ccecb16aeb5d40daa97d2b6
MassLogger
efa962fc10045f83da36ea363c43aba7a8d5ff3ec0e3aaa4c6480c2578b8c4fa
MassLogger
+ 2'436 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250408-khevvasky3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/54d1b338-5e36-4fe1-805f-2151704474ea
Unpacked files
SH256 hash:
4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411
MD5 hash:
e2ab4d3e7bc3f09163b6a527d7e4b28c
SHA1 hash:
7a8fb39517189d7179b03b623a3fee6ff61c397a
Link:
https://www.unpac.me/results/4edd2164-ef7b-4488-adcf-668c47045969/
SH256 hash:
7f24245d3ba0ddbe6907f1071b27e1c5a05112877b1d4ec4c1ce74d0b6621df1
MD5 hash:
44866ab397ca013874c760a9bfb4bcd6
SHA1 hash:
03123d253eced31d1d816f3da861216695daee17
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/4edd2164-ef7b-4488-adcf-668c47045969/
Parent samples :
231f146362543fc6a0a100793a581a78db77b0e3ac90866c5ee747209daaecb0
91c51905a2db1c29aa562d975beac52d8895342b0ccecb16aeb5d40daa97d2b6
c307a1875ba19a6e5a8127d23aec14b6e1661fae50a09e92ac971dd77e2e3341
0a7a1c34834ee4656d7a05322c1c7cd38203bc3cfa694eac49f94b0350f13ef6
4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411
SH256 hash:
565225a8561134b4966c139430b4d6945eedd45444d8435a48c6e7f41f7f7e30
MD5 hash:
3aebca61c665584c799acf55900cb26e
SHA1 hash:
3717a4f60d2822dfd8effda5490c93e7ccb38ebc
Link:
https://www.unpac.me/results/4edd2164-ef7b-4488-adcf-668c47045969/
SH256 hash:
ff37011cc4ff81623c1725d2c2a8838e0d0d29ddd7e3dc907a22d405fef9985b
MD5 hash:
ed4073337ce6f99caf5c20e029b78683
SHA1 hash:
8cbcb13be5162b60d2ed9e6b5b5247d2fd66fd04
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/4edd2164-ef7b-4488-adcf-668c47045969/
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4f334f5a104c/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/4f334f5a104cded0fc431d71abe76316f2ee4544b8d78d94a30da8189ff52411

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

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

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