MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98. 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


RemcosRAT


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98
SHA3-384 hash: af488fc17730e22b8d432322d4b8b1b30ca4abc4263252dbb9fffa9ed774ddbf322b753df90f11084347d479979f77a9
SHA1 hash: 42fd70581c2762e428795755fc1aed2d06191aea
MD5 hash: 02feabcdfd2322297ae330da920175e8
humanhash: south-montana-cardinal-gee
File name:IMAGES____09494000000034004050066070707070.hta
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:102'713 bytes
First seen:2025-09-25 07:38:13 UTC
Last seen:Never
File type:HTML Application (hta) hta
MIME type:text/html
ssdeep 1536:o+0KfZx04DPPI8Lcsq6LzS85Ea56QJFhoBjiH:QKfZx0yPPI8d28SLQJqy
Threatray 1'676 similar samples on MalwareBazaar
TLSH T11AA33BDC07271AC99C77BB7AA71D8941BBA23A131D16938D74DF1E305B6950780BCA3C
Magika html
Reporter abuse_ch
Tags:hta RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
49
Origin country :
SE SE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.48865525.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68d54cc91e4783989051ed95
Tags:
obfuscate remcos xtreme spawn
Result
Verdict:
Malicious
File Type:
HTA File - Malicious
Link:
https://app.docguard.net/a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98/results/dashboard
Payload URLs
URL
File name
http://ixti.net/development/javascript/2011/11/11/hyposyllogistic-enepinephrinedeepinephrine-of-utf8-in-browser-with-js.html
HTA File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
BZC.UGZ.Boxter.261
Link:
https://www.hybrid-analysis.com/sample/a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98
Verdict:
Malicious
File Type:
hta
First seen:
2025-09-24T04:52:00Z UTC
Last seen:
2025-09-24T04:52:00Z UTC
Hits:
~100
Detections:
Trojan.JS.SAgent.sb HEUR:Trojan.Script.Generic Trojan-Downloader.JS.SLoad.sb
Link:
https://opentip.kaspersky.com/a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1783769
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to determine the online IP of the system
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious MSHTA Child Process
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1783769 Sample: IMAGES____09494000000034004... Startdate: 25/09/2025 Architecture: WINDOWS Score: 100 41 sheismybestgirlbabyangelshemylovemybabyg.duckdns.org 2->41 43 stashbin.xyz 2->43 45 3 other IPs or domains 2->45 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 73 14 other signatures 2->73 9 mshta.exe 1 2->9         started        12 svchost.exe 1 1 2->12         started        signatures3 69 Uses dynamic DNS services 41->69 71 Performs DNS queries to domains with low reputation 43->71 process4 dnsIp5 83 Suspicious powershell command line found 9->83 15 powershell.exe 15 15 9->15         started        53 127.0.0.1 unknown unknown 12->53 signatures6 process7 dnsIp8 55 stashbin.xyz 172.67.146.192, 443, 49682 CLOUDFLARENETUS United States 15->55 57 172.245.209.143, 49681, 80 AS-COLOCROSSINGUS United States 15->57 59 Writes to foreign memory regions 15->59 61 Injects a PE file into a foreign processes 15->61 19 CasPol.exe 4 16 15->19         started        24 conhost.exe 15->24         started        signatures9 process10 dnsIp11 47 sheismybestgirlbabyangelshemylovemybabyg.duckdns.org 104.223.84.8, 14642, 49683, 49684 ASN-QUADRANET-GLOBALUS United States 19->47 49 api.findip.net 104.21.93.189, 443, 49690 CLOUDFLARENETUS United States 19->49 51 api.ipify.org 104.26.12.205, 443, 49686 CLOUDFLARENETUS United States 19->51 35 C:\Users\user\AppData\Local\Temp\TH3656.tmp, MS-DOS 19->35 dropped 37 C:\Users\user\AppData\Local\Temp\TH34EE.tmp, MS-DOS 19->37 dropped 39 C:\Users\user\AppData\Local\Temp\TH34BE.tmp, PE32 19->39 dropped 75 Contains functionality to bypass UAC (CMSTPLUA) 19->75 77 Detected Remcos RAT 19->77 79 Contains functionality to determine the online IP of the system 19->79 81 6 other signatures 19->81 26 RmClient.exe 14 19->26         started        29 RmClient.exe 1 19->29         started        31 RmClient.exe 1 19->31         started        33 RmClient.exe 19->33         started        file12 signatures13 process14 signatures15 85 Tries to steal Mail credentials (via file registry) 26->85 87 Tries to harvest and steal browser information (history, passwords, etc) 26->87 89 Tries to steal Instant Messenger accounts or passwords 29->89 91 Tries to steal Mail credentials (via file / registry access) 29->91
Score:
83%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
Html
Link:
https://app.malva.re/file/02feabcdfd2322297ae330da920175e8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98
Threat name:
Document-HTML.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-09-24 20:07:45 UTC
File Type:
Text (HTML)
Extracted files:
1
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ucczqb53rbgqwm6anrpfvj7zk5xp6vurqel7ifbhjy47r6th76ma._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3543cabb8f07c2ca336999986b1889540db647c250dcf26db025f5d1139ec5e4
RemcosRAT
55a5c3b6084f0f2a9a0cbaf16e3beb16ebcc01c5aec853813154744fe7f7f6fe
RemcosRAT
880334a4f36170bd8c34b574a919596fd3ba56f2a810310feba377f90dfe49af
RemcosRAT
8c548a602595e9ef03eeab8257d07581a7a6824e40a121f22d6a1d780621936b
RemcosRAT
8d2eec5dcdda39206ace19cc57bfd9c62f34766bc56accaa0e5797e1f23effb2
RemcosRAT
ead9f443d43e6c9548964721edbf937b1cdf9b5d6126682714de2aba4a086078
RemcosRAT
error
RemcosRAT
+ 1'666 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos discovery execution rat
Link:
https://tria.ge/reports/250925-jgq12stsfv/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
sheismybestgirlbabyangelmylovLg.duckdns.org:14642
Dropper Extraction:
http://172.245.209.143/img/optimized_MSI.png
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a0859807bb88/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Web download

RemcosRAT

HTML Application (hta) hta a0859807bb884d0b33c06c5e5aa7f9576eff56918117f414274e39f8fa67ff98

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3631210/
  
Delivery method
Distributed via web download

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