MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c98f948bc2965c741c08290a8bdc81e16c8f28f267ad17eb0c42fb9a472fa1cc. 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


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: c98f948bc2965c741c08290a8bdc81e16c8f28f267ad17eb0c42fb9a472fa1cc
SHA3-384 hash: 5a8efb5cc5993c6eca2f2a369581e1c90b08bb2f8baba3749f34211666edc72045c0d38ebb2c5917c5efa0cd157f1704
SHA1 hash: 05beaa908f2657a2724f0f652bc5d7e522a9da92
MD5 hash: 8e61ade1122236ae500bdd1b5af97943
humanhash: charlie-ack-avocado-colorado
File name:hostfxr.dll
Download: download sample
File size:2'196'040 bytes
First seen:2025-12-11 01:04:35 UTC
Last seen:2026-03-10 10:56:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash cb24c83e9e0f68a811d65891b8e7dc53
ssdeep 49152:zellZ8duJhScFHhaZ/Qq9qyCp3xU5tMkVUIn:WeIa39qyWhnUUm
TLSH T155A58D11979361C7C03E8B7884FF0B13F735F02A230697AB9980A9B86F157D9AE39745
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter TannerFilip
Tags:dll MULTIMEDIOS-CORDILLERANOS-SRL signed

Code Signing Certificate

Organisation:MULTIMEDIOS CORDILLERANOS SRL
Issuer:SSL.com EV Code Signing Intermediate CA RSA R3
Algorithm:sha256WithRSAEncryption
Valid from:2025-07-21T17:34:32Z
Valid to:2026-07-21T17:32:42Z
Serial number: 2f2e62c3a8a3a4b85c44d3df84d6d41a
Intelligence: 11 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: f16c37e18db8c324dfe9a8922361610a7d4bf5b723ca7bd8c724819a6cf417d2
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
169
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
hostfxr.dll
Verdict:
No threats detected
Analysis date:
2025-12-11 00:57:38 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
injection obfusc virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug masquerade microsoft_visual_cc obfuscated packed signed unsafe
Verdict:
Malicious
File Type:
dll x64
First seen:
2025-12-03T05:48:00Z UTC
Last seen:
2025-12-12T22:06:00Z UTC
Hits:
~100
Detections:
Trojan.Win64.Agent.smfdin
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Signature
AI detected suspicious PE digital signature
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1830700 Sample: hostfxr.dll Startdate: 11/12/2025 Architecture: WINDOWS Score: 56 29 ocsps.ssl.com 2->29 31 ax-ring.ax-9999.ax-msedge.net 2->31 33 3 other IPs or domains 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 AI detected suspicious PE digital signature 2->37 39 Joe Sandbox ML detected suspicious sample 2->39 9 loaddll64.exe 1 2->9         started        signatures3 process4 process5 11 cmd.exe 1 9->11         started        13 rundll32.exe 9->13         started        15 rundll32.exe 9->15         started        17 2 other processes 9->17 process6 19 rundll32.exe 11->19         started        21 WerFault.exe 13->21         started        23 WerFault.exe 15->23         started        25 WerFault.exe 17->25         started        process7 27 WerFault.exe 19->27         started       
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Packed.Generic
Status:
Suspicious
First seen:
2025-12-03 11:45:14 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
12 of 24 (50.00%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Unpacked files
SH256 hash:
c98f948bc2965c741c08290a8bdc81e16c8f28f267ad17eb0c42fb9a472fa1cc
MD5 hash:
8e61ade1122236ae500bdd1b5af97943
SHA1 hash:
05beaa908f2657a2724f0f652bc5d7e522a9da92
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Executable exe c98f948bc2965c741c08290a8bdc81e16c8f28f267ad17eb0c42fb9a472fa1cc

(this sample)

Comments