MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4f02aaa43b86d151c11a945d01e9b60eb37227e2a552cc67ecdcb475e21eb67. 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: 8
| SHA256 hash: | b4f02aaa43b86d151c11a945d01e9b60eb37227e2a552cc67ecdcb475e21eb67 |
|---|---|
| SHA3-384 hash: | 13e3ac5de7a4c3024461b35ee5a2359074f5391ebca43c82538da6e342321dabd68f39650bd04fa4e34c7d2a2fc71a01 |
| SHA1 hash: | 80487c3fadf3bf999cc7a731792e5e90bbf85938 |
| MD5 hash: | d0867ac61290b7b2c0d1a594c4f01776 |
| humanhash: | five-steak-beryllium-social |
| File name: | rundll32.dll |
| Download: | download sample |
| File size: | 444'928 bytes |
| First seen: | 2026-05-30 10:35:55 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5a54dcef47a650fa7ad01ddf0dc7ce6e |
| ssdeep | 6144:b8MihT3HetNYOjVwlvg3mErGZWx6waOgmKHEG8+0N93990MkBMSTQ:RiJQ9V31rV60GGN939yMk |
| TLSH | T19D947E2AA76500BAE177C178CD534A07EB727C5A4770E79F43A0DAB62F237A0563E311 |
| TrID | 48.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 19.1% (.EXE) Win64 Executable (generic) (6522/11/2) 14.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.9% (.EXE) OS/2 Executable (generic) (2029/13) 5.8% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| Reporter |  smica83 |
| Tags: | exe Plugx |
Intelligence
File Origin
# of uploads :
1
# of downloads :
125
Origin country :
HUVendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_b4f02aaa43b86d151c11a945d01e9b60eb37227e2a552cc67ecdcb475e21eb67.dll
Verdict:
No threats detected
Analysis date:
2026-05-30 10:38:44 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Clean
Score:
89.1%
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-debug base64 crypto fingerprint hacktool masquerade microsoft_visual_cc
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Verdict:
Clean
File Type:
dll x64
Verdict:
Unknown
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Signature
Multi AV Scanner detection for submitted file
Sigma detected: Potentially Suspicious Malware Callback Communication
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Behaviour
Behavior Graph:
Score:
92%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2026-05-30 08:20:20 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
6 of 23 (26.09%)
Threat level:
5/5
Detection(s):
Suspicious file
Unpacked files
SH256 hash:
b4f02aaa43b86d151c11a945d01e9b60eb37227e2a552cc67ecdcb475e21eb67
MD5 hash:
d0867ac61290b7b2c0d1a594c4f01776
SHA1 hash:
80487c3fadf3bf999cc7a731792e5e90bbf85938
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: | Check_OutputDebugStringA_iat |
|---|
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | DebuggerCheck__API |
|---|---|
| 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: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| 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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