MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b71f2af8f9e3ed65f4b2cb36ea9794e56b25d55e0a6e0dc73929913c596ffae0. 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
Threat unknown
Vendor detections: 10
| SHA256 hash: | b71f2af8f9e3ed65f4b2cb36ea9794e56b25d55e0a6e0dc73929913c596ffae0 |
|---|---|
| SHA3-384 hash: | 8cfc968b39daa299b33f3b7c05a2ff357006dd5a54cdefd4ce0c9df69a4a8b75593bf6607a8e2317ebbd435a5c02f34f |
| SHA1 hash: | 3938594ac6af23f85d2d1bf25b87c4e7a8dd6feb |
| MD5 hash: | 178972f9bec0c8c53dd9e1c53d071cd8 |
| humanhash: | uranus-quiet-johnny-monkey |
| File name: | b71f2af8f9e3ed65f4b2cb36ea9794e56b25d55e0a6e0dc73929913c596ffae0 |
| Download: | download sample |
| File size: | 857'088 bytes |
| First seen: | 2026-05-15 06:22:36 UTC |
| Last seen: | Never |
| File type: |  dll |
| MIME type: | application/x-dosexec |
| imphash | dae02f32a21e03ce65412f6e56942daa (123 x YellowCockatoo, 62 x CobaltStrike, 44 x JanelaRAT) |
| ssdeep | 12288:Vz/NfJsCTxNeDwkTT0N0rTds7Y71bfdvfSFgt8R3:RcCTxULTTjrTdsw1bw6aR3 |
| Threatray | 54 similar samples on MalwareBazaar |
| TLSH | T1FD052A07B7858EA2D2541B36D1D74400D3E5EA823FEFDA2F728513A629023EEDD07A57 |
| TrID | 88.5% (.DLL) Generic .NET DLL/Assembly (236632/4/32) 2.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 2.4% (.EXE) Win64 Executable (generic) (6522/11/2) 1.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.6% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  JAMESWT_WT |
| Tags: | 184-95-51-188 dll |
Intelligence
File Origin
# of uploads :
1
# of downloads :
214
Origin country :
ITVendor Threat Intelligence
Malware configuration found for:
NETReactor
Details
NETReactor
decrypted strings
Detection:
n/a
Verdict:
Malicious
Score:
81.4%
Tags:
virus msil
Result
Verdict:
Clean
Maliciousness:
Behaviour
Sending a custom TCP request
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Verdict:
Clean
File Type:
executable.pe.32.dll
First seen:
2026-05-14T10:32:00Z UTC
Last seen:
2026-05-16T19:32:00Z UTC
Hits:
~10
Verdict:
Unknown
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.91 Win 32 Exe x86
Verdict:
Malicious
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
purecrypter
Similar samples:
+ 44 additional samples on MalwareBazaar
Gathering data
Unpacked files
SH256 hash:
b71f2af8f9e3ed65f4b2cb36ea9794e56b25d55e0a6e0dc73929913c596ffae0
MD5 hash:
178972f9bec0c8c53dd9e1c53d071cd8
SHA1 hash:
3938594ac6af23f85d2d1bf25b87c4e7a8dd6feb
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.56
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__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | extracted_at_0x44b |
|---|---|
| Author: | cb |
| Description: | sample - file extracted_at_0x44b.exe |
| Reference: | Internal Research |
| Rule name: | Lumma_Stealer_Detection |
|---|---|
| Author: | ashizZz |
| Description: | Detects a specific Lumma Stealer malware sample using unique strings and behaviors |
| Reference: | https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/ |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| 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: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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