MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc. 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: 20


Intelligence 20 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc
SHA3-384 hash: 44141a056c5ceac28f70b8809028dc6bf2874699b3d22ad0a3f9f55cc424e3b0433eacaf91f7a1c9d61dfd80274a354e
SHA1 hash: c5cf41aa2eaaef18a4db3b1ebcff32dd0ae50e81
MD5 hash: 7998aa5ec5515ae80a5fcb6f246e6bef
humanhash: oxygen-nine-jupiter-chicken
File name:a.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:528'384 bytes
First seen:2026-02-26 05:19:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 737fc4be4f9f7d7c06c790667c9f7669 (6 x RemcosRAT)
ssdeep 6144:2XEE+QEZJvHVdFjl0WGYB+cvbWvpB+qADnN8XIniCrVSMXcvOsAORZlAXiBcea:sENlHV9FGeDWv3jADnyYiCNrsPZlc
Threatray 2'124 similar samples on MalwareBazaar
TLSH T148B4B001B6F2C172D976A4300935E774DEBCBD201836997BA3D61D9BFD30150AB39AB2
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 BlinkzSec
Tags:186-169-75-221 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
135
Origin country :
CZ CZ
Vendor Threat Intelligence
Malware configuration found for:
Remcos
Details
Remcos
a version number and verbose configuration settings
Link:
https://research.acce.ciphertechsolutions.com/results/df890832-c7ec-43ce-87a6-28456d400f7c/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc.exe
Verdict:
Malicious activity
Analysis date:
2026-02-26 05:19:32 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/afd539f8-8fee-4ab5-abd6-5a3b245ac364

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/54638/
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=699fd7db8fffa866e3b23d56
Tags:
dropper keylog word
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connection attempt
Creating a file
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 windows
Link:
https://www.filescan.io/uploads/699fd7d610e80629d4f331f8/reports/6edc0ce1-2309-40a8-879f-19b8e7894582/overview
Verdict:
Malicious
Labled as:
Dacic.9551.Generic
Link:
https://www.hybrid-analysis.com/sample/4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
Link:
https://opentip.kaspersky.com/4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/604abfc0-e31a-46c8-aa3a-afdc30467107
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc
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/7998aa5ec5515ae80a5fcb6f246e6bef
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2026-02-26 05:10:23 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4gjlimikqirabsjx6avbqxrrhoasqnmk2nyagzxmxi4uzfxmdoa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1652147663a81b888e0f11b7d2093548588629f18c124633611e6a02ca562775
RemcosRAT
21c4eeb21c8467489098c06e56b468460f8146ad7ca188d71887f1ec15650d34
RemcosRAT
9005281634752b821c282d0ccdffd99bf744b0272513fcb1e26013d7f367eff4
RemcosRAT
ce3d4a6aca8b7fc6e921fd16c0db7b6eb080cea524fa8df7d7b69104d62e5c23
RemcosRAT
error
RemcosRAT
+ 2'114 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery
Link:
https://tria.ge/reports/260226-fzz5wscy9h/
Behaviour
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Malware Config
C2 Extraction:
oficialrem.duckdns.org:5000
Unpacked files
SH256 hash:
4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc
MD5 hash:
7998aa5ec5515ae80a5fcb6f246e6bef
SHA1 hash:
c5cf41aa2eaaef18a4db3b1ebcff32dd0ae50e81
Detections:
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
Remcos
Create hunting rule
Link:
https://www.unpac.me/results/bb179a7e-acf2-4cd6-8728-31aef1872144/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4f0c95a18854/report/overview.html
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: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: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: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

Executable exe 4f0c95a1885411100649bf8150c2f189dc0941ac569b801b3765d1ca64b760dc

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/54638/
  
URLhaus
https://urlhaus.abuse.ch/url/3786106/

Comments