MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a8dfdc2850949aa819134a0597cde81b518e2299fba098be23455f88cf4c1958. 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
| SHA256 hash: | a8dfdc2850949aa819134a0597cde81b518e2299fba098be23455f88cf4c1958 |
|---|---|
| SHA3-384 hash: | 6b8c3183af40af8d3b9b0050423e232c2b69572172930270e890924595a21c11731a00bae8a3aa3c87e43735b94f17b8 |
| SHA1 hash: | 5815462e4b0de51574b426963b06b8fff0c330d3 |
| MD5 hash: | c6b613af696de1154b17f269ab4f6243 |
| humanhash: | lake-vermont-bluebird-kitten |
| File name: | a8dfdc2850949aa819134a0597cde81b518e2299fba098be23455f88cf4c1958 |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 1'148'416 bytes |
| First seen: | 2025-05-09 13:11:51 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:KDulEcVr3K/1eLEgX8PuI+NEFJc6stnPSgyHBT:KDulEct3K/mJXuun6scgyhT |
| Threatray | 3'304 similar samples on MalwareBazaar |
| TLSH | T1F135AE55D2C9EC99D00B1172A87DF534245EF75EA17BCD2A2A2DB435A1A3383306BF0E |
| 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 |  adrian__luca |
| Tags: | exe MassLogger |
Intelligence
File Origin
# of uploads :
1
# of downloads :
314
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a8dfdc2850949aa819134a0597cde81b518e2299fba098be23455f88cf4c1958
Verdict:
Malicious activity
Analysis date:
2025-05-09 18:16:30 UTC
Tags:
snake keylogger evasion stealer auto-startup ims-api generic
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun crysan
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
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:
obfuscated packed packed packer_detected
Verdict:
Malicious
Labled as:
Trojan.Mardom.MN.Generic
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
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Drops VBS files to the startup folder
Found malware configuration
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:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2025-04-19 15:14:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
28 of 37 (75.68%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
novastealer
Similar samples:
+ 3'294 additional samples on MalwareBazaar
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/bot7611888542:AAGc18KysTZBYzqidODH5lKeVT1Vw986z0I/sendMessage?chat_id=7904236880
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
a8dfdc2850949aa819134a0597cde81b518e2299fba098be23455f88cf4c1958
MD5 hash:
c6b613af696de1154b17f269ab4f6243
SHA1 hash:
5815462e4b0de51574b426963b06b8fff0c330d3
SH256 hash:
3ea8352920ffd0d1a042b04f78b5ced8777cf8c35ece15f068d9208aa3a0399b
MD5 hash:
dfa328886ef72069359fc474e2121db7
SHA1 hash:
0b94970e34b9f036e0f4ccbf1fe237e761aa47e6
Detections:
win_404keylogger_g1
win_masslogger_w0
MAL_Envrial_Jan18_1
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
4b98c8c66843b3f3275760f184c443180cf86ed02f2625807156f6db7991bcd2
MD5 hash:
e08898568b572a5f18c734411af3b094
SHA1 hash:
4aea3c6dd262a72a01a2708c424f1e5e4692e6f4
SH256 hash:
d4b5253fd0d24415b24e9351fea5ea0674a2e6ff3887dc5ab9b8ae66c4e38c13
MD5 hash:
5eac54b8924305f7b4c8370b93b30564
SHA1 hash:
7df19ec05859b9d29f3d3dc9b15091cb49c5150b
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.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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