MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4b0a1e4992046c74f3f3b3bee0d3f30689809d2bb6b853ba96aba01780b3c03b. 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: | 4b0a1e4992046c74f3f3b3bee0d3f30689809d2bb6b853ba96aba01780b3c03b |
|---|---|
| SHA3-384 hash: | 08568e687980436eb8ab6ea9d8f4b29b5d03bc93ee2128a74e52c932da8c366083eb0480b52f6cd9f90984a2d179f89d |
| SHA1 hash: | 85f3d4f2ef27746a87da68be21a6bcd30cbc1de1 |
| MD5 hash: | f02fd043cbdad9a5213b8846fc7ae2e1 |
| humanhash: | neptune-snake-hamper-fanta |
| File name: | 4b0a1e4992046c74f3f3b3bee0d3f30689809d2bb6b853ba96aba01780b3c03b |
| Download: | download sample |
| Signature | MassLogger |
| File size: | 634'880 bytes |
| First seen: | 2025-12-08 15:39:48 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'757 x AgentTesla, 19'664 x Formbook, 12'253 x SnakeKeylogger) |
| ssdeep | 12288:4TUbnbtCK67BD3BKHRVRh85XLSP5FK6fAU2iJ+Rz7:o+I75Uxi5XLO3DfAU2iJ+ |
| Threatray | 2'055 similar samples on MalwareBazaar |
| TLSH | T1A4D4F04BF5C0E413C8024A743A62F5B0DEED6DD9981EC693AFEC3E8B3DBA9005967151 |
| TrID | 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| Reporter |  adrian__luca |
| Tags: | exe MassLogger |
Intelligence
File Origin
# of uploads :
1
# of downloads :
67
Origin country :
HUVendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Malware family:
n/a
ID:
1
File name:
4b0a1e4992046c74f3f3b3bee0d3f30689809d2bb6b853ba96aba01780b3c03b
Verdict:
Malicious activity
Analysis date:
2025-12-09 02:22:59 UTC
Tags:
evasion snake keylogger stealer smtp
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.1%
Tags:
virus shell spam msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Connection attempt
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Sending an HTTP GET request
Connection attempt to an infection source
Reading critical registry keys
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-24T09:15:00Z UTC
Last seen:
2025-12-10T08:24:00Z UTC
Hits:
~100
Malware family:
KeyBase
Verdict:
Malicious
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.21 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.NegaStealer
Status:
Malicious
First seen:
2025-11-24 13:09:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 36 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
novastealer
Similar samples:
+ 2'045 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Score:
10/10
Tags:
family:masslogger collection discovery execution spyware stealer
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
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4b0a1e4992046c74f3f3b3bee0d3f30689809d2bb6b853ba96aba01780b3c03b
MD5 hash:
f02fd043cbdad9a5213b8846fc7ae2e1
SHA1 hash:
85f3d4f2ef27746a87da68be21a6bcd30cbc1de1
SH256 hash:
42474303d63c1ce4c6a74e683d20f21797ecf3c4e3978e863e79656d0a92e8de
MD5 hash:
5546f6520a2c11d50e68f561d05a1e3f
SHA1 hash:
12814a26e3fbe36a6b61f2672ffc07fee6b95745
SH256 hash:
2a7bc8c08435a799c332091fd5eb01554f98902a029a701a9b993031482218e1
MD5 hash:
952f21d48edc8e516fb4763a43be278a
SHA1 hash:
b658ddee984a0dae9ec98ac00fabde90c6140912
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
2d08fb85e6c7c3ff1239eb13a72138abc8b428a32053ecfd87c02a8d960fd08e
MD5 hash:
4f6e0a5412618bc737095ab5167aa129
SHA1 hash:
eaa4a579d520c5212bcd38d11fa32ab2e1592c29
Detections:
win_404keylogger_g1
win_masslogger_w0
MAL_Envrial_Jan18_1
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Malware family:
PrivateLogger
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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