MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a. 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: 21


Intelligence 21 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a
SHA3-384 hash: 46d79f79b66890e3c7766c3352e985309adea875a8eeed2fdd63566e159d175ffe3e3a07011d63abe00e4af4fdd49587
SHA1 hash: a3ff5601b9111770f44dd839da8fc3fbc05aa0ff
MD5 hash: de6f8bebf69c293ca7adfb1c42eabed8
humanhash: equal-butter-floor-ohio
File name:b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:528'384 bytes
First seen:2026-03-03 06:55:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 737fc4be4f9f7d7c06c790667c9f7669 (15 x RemcosRAT)
ssdeep 6144:OXEE+QEZJvHVdFjl0WGYB+cvbWvpB+qADnN8XIniCrVSMXcvOsAORZlAXiBceS:kENlHV9FGeDWv3jADnyYiCNrsPZlQ
TLSH T17DB4B001B6F2C172D976A4300935E774DEBCBD201835997BA3D61D9BFD30190AB39AB2
TrID 29.5% (.EXE) Win64 Executable (generic) (6522/11/2)
22.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4504/4/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter JAMESWT_WT
Tags:exe manchidodemainehdero1234456htdfihgfdsdsg-duckdns-org RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
492
Origin country :
IT IT
Vendor Threat Intelligence
Malware configuration found for:
Remcos
Details
Remcos
a version number and verbose configuration settings
Link:
https://research.acce.ciphertechsolutions.com/results/49cc018a-e56a-4562-ad5f-14de8824b9d2/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a.exe
Verdict:
Malicious activity
Analysis date:
2026-03-03 06:59:40 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/f7405a8d-2def-4a4b-bd56-7fe910e6105f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/55342/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a686ff002d37d5c98311e2
Tags:
injection dropper remcos virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Launching a process
Reading critical registry keys
Launching a service
Changing a file
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cmd config-extracted crypto evasive exploit explorer fingerprint keylogger lolbin microsoft_visual_cc packed rat rat remcos remcos rescoms rundll32 runonce unsafe windows
Link:
https://www.filescan.io/uploads/69a6860d97feb4afd6664d91/reports/957b3a26-3d41-4ea3-8102-e22242887893/overview
Verdict:
Malicious
Labled as:
Dacic.9551.Generic
Link:
https://www.hybrid-analysis.com/sample/b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a
Verdict:
Malicious
File Type:
exe x32
Detections:
Trojan.Denes.UDP.C&C PDM:Trojan.Win32.Generic HEUR:Backdoor.Win32.Remcos.gen Backdoor.Win32.Remcos.sb
Link:
https://opentip.kaspersky.com/b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aff45de0-15aa-43fc-a888-5696a0c1cb77
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/de6f8bebf69c293ca7adfb1c42eabed8
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-02-26 22:56:03 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
30 of 36 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w362rvj5brorumdp6qihqxuzdgadrhziyzywdehqh6m5q2esrrna._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
admintool_mailpassview
Create hunting rule
nirsoft
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:millions collection discovery
Link:
https://tria.ge/reports/260303-hymvaaf15f/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Detected Nirsoft tools
Malware Config
C2 Extraction:
manchidodemainehdero1234456htdfihgfdsdsg.duckdns.org:14645
Unpacked files
SH256 hash:
b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a
MD5 hash:
de6f8bebf69c293ca7adfb1c42eabed8
SHA1 hash:
a3ff5601b9111770f44dd839da8fc3fbc05aa0ff
Detections:
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
Remcos
Create hunting rule
Link:
https://www.unpac.me/results/e8309219-0f8b-4419-8543-7808f344d199/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b6fda8d53d0c/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/b6fda8d53d0c5d1a306ff410785e991980389f28c6716190f03f99d868928c5a

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: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_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
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: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_All_Windows_PE_Malware
Create hunting rule
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
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:TeslaCryptPackedMalware
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/55342/

Comments