MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 815a6256a3d19a283c5adff762428f73cb301476a524ec81b6c6497cfef90d5e. 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: 17
| SHA256 hash: | 815a6256a3d19a283c5adff762428f73cb301476a524ec81b6c6497cfef90d5e |
|---|---|
| SHA3-384 hash: | 29058e1ad7063defc7b7092a7c0b4725cebe87259f71afa210cc34ef95f75c1e3867bcdf6fb87a3272d528c80ddc3041 |
| SHA1 hash: | de3071e351815d950939df2852c3b5ab86043969 |
| MD5 hash: | 93fa1cde6be47550ac5c2ed20b2a9ec8 |
| humanhash: | dakota-montana-lake-bakerloo |
| File name: | SecuriteInfo.com.BackDoor.AgentTeslaNET.6.21276.1840 |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 581'632 bytes |
| First seen: | 2025-05-14 11:44:04 UTC |
| Last seen: | 2025-05-14 12:26:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:NsoH3KDqR9bUv8G1j8GfYKBB6NRSsus5/XCTo/+z9ZKf6viE1zFJO8:+oXOqvbUvjZYyuXuOCkWz9ZKfwiO |
| Threatray | 3'363 similar samples on MalwareBazaar |
| TLSH | T1A0C4DF683D569703C56E4AB4B833C3B71E75AF9AA510C287AEE73D9B31F13305A43252 |
| 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 | 20e631ec86b2b2cc (6 x SnakeKeylogger, 4 x MassLogger, 3 x Formbook) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe MassLogger |
Intelligence
File Origin
# of uploads :
2
# of downloads :
575
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.BackDoor.AgentTeslaNET.6.21276.1840
Verdict:
Malicious activity
Analysis date:
2025-05-14 11:46:37 UTC
Tags:
evasion snake keylogger stealer netreactor ims-api generic
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
MSIL Logger, MassLogger RAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Status:
Malicious
First seen:
2025-05-14 08:14:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
novastealer
unc_loader_037
Similar samples:
+ 3'353 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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7801530634:AAHdV_r7nFFCDkGsSYxlUxZPpineUFXl8-g/sendMessage?chat_id=6623091671
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
815a6256a3d19a283c5adff762428f73cb301476a524ec81b6c6497cfef90d5e
MD5 hash:
93fa1cde6be47550ac5c2ed20b2a9ec8
SHA1 hash:
de3071e351815d950939df2852c3b5ab86043969
SH256 hash:
22a03f25544fecf96ca7f38781824e302238529b6e59cc10cfecf240043bd294
MD5 hash:
bee219cadf5a780865c3548d9936bc38
SHA1 hash:
077405987d76832010142540e3f9c5fc1f1c314a
SH256 hash:
462581555ba63c043bf4f85ba9f63a1ff27a9d55b4e2cb2c706999e2cd3db5ef
MD5 hash:
ced0b6d956a1276cb698dcf2a105f598
SHA1 hash:
7bdc2d934c500804399cc24eb145252e891b0283
Detections:
win_404keylogger_g1
win_masslogger_w0
MAL_Envrial_Jan18_1
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
c2b275d97dadf442b9b8c1fedd1c7789001e5859c7162d9181bc748652a92041
MD5 hash:
6c5ae22acd5a60cda19f98c2e98be65c
SHA1 hash:
c38a0cbb30b66df2a17cfbe1ee87415d1a341086
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
Malware family:
PrivateLogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
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 (HIGH_ENTROPY_VA) | high |
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