MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b3ad1389f9962206c973c4acefbb32f3c26cbdb884c6f01445deeeb6f9f9f8e9. 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
BlackNET
Vendor detections: 20
| SHA256 hash: | b3ad1389f9962206c973c4acefbb32f3c26cbdb884c6f01445deeeb6f9f9f8e9 |
|---|---|
| SHA3-384 hash: | b373e4c1a3ddcab9365759dd12c2709c3508f0d34e29205c4562f43dcbc7cd9bc4e25ee1f27cc38a636654278037d604 |
| SHA1 hash: | 45e25f810c84427f1c778d42a6cd1f6d796917ae |
| MD5 hash: | f612967f1314ebf94d636fb9dc20e84e |
| humanhash: | south-five-august-spring |
| File name: | matcha-installer.exe |
| Download: | download sample |
| Signature | BlackNET |
| File size: | 2'771'456 bytes |
| First seen: | 2026-07-06 09:48:55 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'097 x AgentTesla, 20'114 x Formbook, 12'356 x SnakeKeylogger) |
| ssdeep | 49152:sc3Jk48pEiaNfclhG/6anu5zQreEOxTIeSqwGcM0XTfRe0RqIqeIYjH5Nlsw8:v3mHpELNf3/6an6QrJOxTIkwGc5rR3Rc |
| Threatray | 39 similar samples on MalwareBazaar |
| TLSH | T138D52345776492F6D0BCC6BDCDE65F2142B678010F3AD7EE4CE2609918B6B819831BE3 |
| TrID | 60.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 13.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.4% (.EXE) Win64 Executable (generic) (6522/11/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Magika | pebin |
| dhash icon | 1820696969690068 (1 x BlackNET) |
| Reporter |  burger |
| Tags: | BlackNet exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
140
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
blacknet
ID:
1
File name:
matcha-installer.exe
Verdict:
Malicious activity
Analysis date:
2026-07-06 09:48:54 UTC
Tags:
blacknet rat evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
BlackNET
Verdict:
Malicious
Score:
99.9%
Tags:
bladabindi ewind
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug base64 blacknet blackworm crypt crypto net obfuscated overlay packed packed reconnaissance reconnaissance vbnet worm
Verdict:
Malicious
Labled as:
Variadic.A.348.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-06T07:19:00Z UTC
Last seen:
2026-07-06T10:34:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.Disco.gen HEUR:Trojan-Downloader.MSIL.Agent.gen Trojan.Win32.Inject.sb UDS:DangerousObject.Multi.Generic Trojan.MSIL.DOTHETUK.sb Trojan.Win32.Startun.sb Trojan.Win32.Reconyc.sb Trojan-Dropper.Win32.Injector.sb HEUR:Trojan.Win32.Agent.pef Backdoor.MSIL.Blanet.sb PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Disco.sb HEUR:Trojan.Win32.Miner.pef Backdoor.Win32.Androm.sb Trojan.Win32.InversedShelma.sbc VHO:Trojan-Spy.MSIL.KeyLogger.gen Trojan.Win32.Miner.sb Trojan.Win32.Agent.rnd VHO:Trojan.MSIL.Exnet.gen Trojan.Win32.Vimditator.sb Trojan.Win32.Agent.sb Trojan.MSIL.HydraPOS.sb RiskTool.BitCoinMiner.TCP.C&C RiskTool.Miner.UDP.C&C
Malware family:
BlackNet RAT
Verdict:
Malicious
Result
Threat name:
BlackNET, KeyLogger
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Found strings related to Crypto-Mining
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected BlackNET
Yara detected Generic Downloader
Yara detected Keylogger Generic
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Family.UNAMSILENTCRYPTOMINER
Threat name:
ByteCode-MSIL.Trojan.Variadic
Status:
Malicious
First seen:
2026-07-06 09:48:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
30 of 36 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
unc_loader_055
blacknetrat
Similar samples:
+ 29 additional samples on MalwareBazaar
Result
Malware family:
blacknet
Score:
10/10
Tags:
family:blacknet botnet:hacked defense_evasion trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
BlackNET payload
Contains code to disable Windows Defender
Family: BlackNET
Modifies Windows Defender Real-time Protection settings
Malware Config
C2 Extraction:
http://kalashnikovs-001-site1.jtempurl.com/bk
Unpacked files
SH256 hash:
b3ad1389f9962206c973c4acefbb32f3c26cbdb884c6f01445deeeb6f9f9f8e9
MD5 hash:
f612967f1314ebf94d636fb9dc20e84e
SHA1 hash:
45e25f810c84427f1c778d42a6cd1f6d796917ae
Detections:
win_blacknet_rat_w0
BlackNetRAT
SH256 hash:
ad34794058212006ae974fcc6a0242598e6d020f08044439e3512773cd402b7e
MD5 hash:
89dd6e72358a669b7d6e2348307a7af7
SHA1 hash:
0db348f3c6114a45d71f4d218e0e088b71c7bb0a
SH256 hash:
bfe8331b81b883c6545b47c2e9cd0cb66dccdd32d124282e3d97e71e76d912dd
MD5 hash:
731632ad494a37a9bc46f1f924dbb520
SHA1 hash:
fca06e982e04b49c641564932c328092c7122f64
Malware family:
BlackWorm
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: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Detect_PowerShell_Obfuscation |
|---|---|
| Author: | daniyyell |
| Description: | Detects obfuscated PowerShell commands commonly used in malicious scripts. |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | HKTL_NET_GUID_BlackNET |
|---|---|
| Author: | Arnim Rupp (https://github.com/ruppde) |
| Description: | Detects VB.NET red/black-team tools via typelibguid |
| Reference: | https://github.com/BlackHacker511/BlackNET |
| Rule name: | hunting_generic_win_rat |
|---|---|
| Author: | Ajin Deepak, AD2001 |
| Description: | Hunting RATS based on common patterns |
| Rule name: | INDICATOR_SUSPICIOUS_DisableWinDefender |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing artifacts associated with disabling Widnows Defender |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables embedding registry key / value combination indicative of disabling Windows Defender features |
| Rule name: | MALWARE_Win_BlackNET |
|---|---|
| Author: | ditekSHen |
| Description: | Detects BlackNET RAT |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| 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_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) |
| Rule name: | Windows_Generic_Threat_e8abb835 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_blacknet_rat_w0 |
|---|---|
| Author: | K7 Security Labs |
| Description: | BlackNet Payload |
| Rule name: | win_dotnet_vb_stealer_rat |
|---|---|
| Author: | Arrbat |
| Description: | Detects .NET/VB executables with stealer/RAT capabilities (sockets, HTTP, processes, registry, etc). |
| Rule name: | win_xworm_bytestring |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects bytestring present in unobfuscated xworm |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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