MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4d09e3feb7bc016940c0ee7aad4e23daba2a0fb4f6e00f193cfd88d52f43b93. 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

SHA256 hash: c4d09e3feb7bc016940c0ee7aad4e23daba2a0fb4f6e00f193cfd88d52f43b93
SHA3-384 hash: fac33ee0e73892db3deec1a1e33bee6e252051ef66e051a823cc34a6e6eb6ba88abf4721f4b8459ff2425f540c712a6f
SHA1 hash: 3572d58cee63c64f1fa29e20bde72d9533c9a8e2
MD5 hash: ec825c29164f67ebf783e2489c4d84a4
humanhash: whiskey-spaghetti-mango-april
File name:Payment Advice.com
Download: download sample
Signature MassLogger
File size:1'182'208 bytes
First seen:2025-05-06 12:37:29 UTC
Last seen:2025-05-06 13:23:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:IE1vURtQlWNfN/jRaWR7987ptLB77ySpl1q8flMahg6JfBT:IEZURQ+fxdai9spt1nhfzDlT
Threatray 4'176 similar samples on MalwareBazaar
TLSH T19C45BF86E2C9EC99C0172272D87DF530251EF74AB277DC1A2A1E766960A33933417F4E
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 d480aa8e96968ed8 (20 x AgentTesla, 15 x SnakeKeylogger, 13 x MassLogger)
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
2
# of downloads :
495
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PaymentAdvice.com.exe
Verdict:
Malicious activity
Analysis date:
2025-05-06 12:44:07 UTC
Tags:
evasion snake keylogger stealer auto-startup ims-api generic purecrypter

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
autorun spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade net_reactor obfuscated packed packed packer_detected
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1682133 Sample: Payment Advice.com.exe Startdate: 06/05/2025 Architecture: WINDOWS Score: 100 33 reallyfreegeoip.org 2->33 35 checkip.dyndns.org 2->35 37 checkip.dyndns.com 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 47 12 other signatures 2->47 8 wscript.exe 1 2->8         started        11 Payment Advice.com.exe 5 2->11         started        signatures3 45 Tries to detect the country of the analysis system (by using the IP) 33->45 process4 file5 53 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->53 14 IsClosed.exe 2 8->14         started        23 C:\Users\user\AppData\Roaming\IsClosed.exe, PE32 11->23 dropped 25 C:\Users\user\AppData\...\IsClosed.vbs, ASCII 11->25 dropped 27 C:\Users\...\IsClosed.exe:Zone.Identifier, ASCII 11->27 dropped 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->55 17 InstallUtil.exe 15 2 11->17         started        signatures6 process7 dnsIp8 57 Multi AV Scanner detection for dropped file 14->57 59 Writes to foreign memory regions 14->59 61 Injects a PE file into a foreign processes 14->61 20 InstallUtil.exe 2 14->20         started        29 checkip.dyndns.com 193.122.6.168, 49693, 49698, 80 ORACLE-BMC-31898US United States 17->29 31 reallyfreegeoip.org 104.21.96.1, 443, 49694, 49695 CLOUDFLARENETUS United States 17->31 63 Tries to steal Mail credentials (via file / registry access) 17->63 signatures9 process10 signatures11 49 Tries to steal Mail credentials (via file / registry access) 20->49 51 Tries to harvest and steal browser information (history, passwords, etc) 20->51
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2025-05-06 05:04:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
30 of 38 (78.95%)
Threat level:
  2/5
Result
Malware family:
masslogger
Score:
  10/10
Tags:
family:masslogger collection discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7341689230:AAHymAZAjTKDwQdX3qK2HITohVFwhbvLPIc/sendMessage?chat_id=8074674260
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
c4d09e3feb7bc016940c0ee7aad4e23daba2a0fb4f6e00f193cfd88d52f43b93
MD5 hash:
ec825c29164f67ebf783e2489c4d84a4
SHA1 hash:
3572d58cee63c64f1fa29e20bde72d9533c9a8e2
SH256 hash:
c574c282725bb7ebe347ab1dde1e77a21771056b67b4cebe35570e202427af2d
MD5 hash:
8bbe5feff48a0002490262ba75a9992a
SHA1 hash:
03e80aec4b623c57bff0d9496523f0eb4bb5963d
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
022c2316a1f9fc24990a0b49cd2fa0d778bafbcee13551428d814da2b95f4c68
MD5 hash:
9b10531e0d9a7028b2c8babc4515defc
SHA1 hash:
7611a14906803f6639d779b06f7d744fe948dfc8
Malware family:
PrivateLogger
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:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
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
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
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)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
Rule name:win_masslogger_w0
Author:govcert_ch

File information


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

Malspam

MassLogger

Executable exe c4d09e3feb7bc016940c0ee7aad4e23daba2a0fb4f6e00f193cfd88d52f43b93

(this sample)

  
Delivery method
Distributed via e-mail attachment

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