MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f. 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: 12


Intelligence 12 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f
SHA3-384 hash: 8c6a907c82a8789c66195b0bf87b69f519d0d72ccf5b468ea5688b69d3b7b3780d1f6d045455a8958e4ffc74c75b50e1
SHA1 hash: 5aa9472462c3be394c5413561b4785d7c1305b8e
MD5 hash: e8c84467e448149c82050f3a469a21de
humanhash: north-dakota-pip-potato
File name:106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:7'643'797 bytes
First seen:2026-02-16 13:41:17 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 98304:jEJX25jpl5GLdx5Q3azz7yhdp8ZKieRdiTL/:jEV25jpl5Wdx5Q3azihdgKLuP/
TLSH T10E7607732203B8A27A7F1E6DD075A6805D1B3C13358DCA0CF5D93179B2D6E12EA7A1B1
Magika javascript
Reporter JAMESWT_WT
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Generic-EXE.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69931ecf2715406c647a19e0
Tags:
n/a
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 dropper evasive obfuscated obfuscated packed repaired
Link:
https://www.filescan.io/uploads/69931ebc930564ff3ca3b7db/reports/a8452ade-93bd-4cea-811c-0c91fc61f594/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f
Verdict:
Malicious
File Type:
js
First seen:
2026-02-13T15:42:00Z UTC
Last seen:
2026-02-13T16:09:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Dropper.Script.Generic HEUR:Trojan.Script.Generic
Link:
https://opentip.kaspersky.com/106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Base64 Payload Contains Base64 Block Executable PE (Portable Executable) PE File Layout
Link:
https://app.malva.re/file/e8c84467e448149c82050f3a469a21de
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f
Threat name:
Script-JS.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-02-15 05:56:27 UTC
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cbvvf6qlzkwcak2wlckqcdmdccihdoylyl2p4nt2ydmjun3rmnxq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:remcos botnet:remotehost discovery execution loader rat
Link:
https://tria.ge/reports/260216-qzvkhsgv8h/
Behaviour
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes dropped EXE
Loads dropped DLL
Detects DonutLoader
DonutLoader
Donutloader family
Remcos
Remcos family
Malware Config
C2 Extraction:
six.aaahorneswell.com:19924
155.103.71.207:19924
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f

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:ClamAV_Emotet_String_Aggregate
Create hunting rule
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_921ef449
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

RemcosRAT

Java Script (JS) js 106b52fa0bcaac202b565895010d83109071bb0bc2f4fe367ac0d89a3771636f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3778954/
  
Delivery method
Distributed via web download

Comments