MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21cb9b5c028d8453ec25c2a23249eae498ee45b134dbebc19dc6d3d85d853147. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments

SHA256 hash: 21cb9b5c028d8453ec25c2a23249eae498ee45b134dbebc19dc6d3d85d853147
SHA3-384 hash: 8e845cbd88c7fc124148a2ec6e46d60b5484eaafa0ba015e944d63da8f405a2b09be4b8c75939f1e00fe6d82394fa883
SHA1 hash: de395a5f7eefc95fb43b42c14acf15f13fc594ec
MD5 hash: 0f51a890fbbb634d42e0dcecc0e0bd60
humanhash: lake-tennis-five-zebra
File name:MicrosoftHost.exe
Download: download sample
File size:188'928 bytes
First seen:2026-05-05 15:58:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 604cc903f33797515deda19162dc00d1
ssdeep 3072:7w75W/8S/PpU27c6PQakTjU1O/hn0uaWC1lVdUNWaf:7wIv/Ppzk/h91aWC1VUNWi
TLSH T1E104F81BB75358FCCA13807483A69B766971F8350320BE3F4668FB329E20E545E6DD68
TrID 45.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
18.0% (.EXE) Win64 Executable (generic) (6522/11/2)
13.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.ICL) Windows Icons Library (generic) (2059/9)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter BlinkzSec

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
US US
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-05-05 15:59:44 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Result
Gathering data
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Unpacked files
SH256 hash:
21cb9b5c028d8453ec25c2a23249eae498ee45b134dbebc19dc6d3d85d853147
MD5 hash:
0f51a890fbbb634d42e0dcecc0e0bd60
SHA1 hash:
de395a5f7eefc95fb43b42c14acf15f13fc594ec
Please note that we are no longer able to provide a coverage score for Virus Total.

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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
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.

Web download

Executable exe 21cb9b5c028d8453ec25c2a23249eae498ee45b134dbebc19dc6d3d85d853147

(this sample)

  
Delivery method
Distributed via web download

Comments