MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3665b2d3592015cc53cb7e5af79cdec345c21a85d9d07968d6c7598128ca5cb4. 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
| SHA256 hash: | 3665b2d3592015cc53cb7e5af79cdec345c21a85d9d07968d6c7598128ca5cb4 |
|---|---|
| SHA3-384 hash: | 12f3d064adf1752d85e2a5a1a17b90b3e1244d5eef00df4a9eb0440bb6bf018d9b6fdcf57f352fde9974b50cd54aeed1 |
| SHA1 hash: | a8a7f850b858621c0ecc3740d0190ee5b62c3de3 |
| MD5 hash: | 22b7cbacaf4824a7d616a68aaff87c6e |
| humanhash: | montana-skylark-ack-seventeen |
| File name: | Herramienta de eliminacion de malware.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 504'832 bytes |
| First seen: | 2026-01-01 00:07:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 78a3bdf3c5b9bd3972e77fa90dce8f2d (63 x RemcosRAT) |
| ssdeep | 12288:f6pxxGI8gvGOHJpAbDYGxLhZ+sPZtOmPFN:f6pxxx8U+bDYGxLhZtZfPF |
| Threatray | 1'932 similar samples on MalwareBazaar |
| TLSH | T1B9B4B001B6D2C1B2D57254300E3AB725DEBDB9242836897BB3F60966ED701909739FB3 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| dhash icon | f0589a5bd89adc70 (4 x MuckStealer, 1 x RemcosRAT) |
| Reporter |  BlinkzSec |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
141
Origin country :
CZVendor Threat Intelligence
Malware configuration found for:
Remcos
Details
Remcos
a version number and verbose configuration settings
Malware family:
remcos
ID:
1
File name:
Herramienta de eliminacion de malware.exe
Verdict:
Malicious activity
Analysis date:
2026-01-01 00:28:19 UTC
Tags:
remcos rat anti-evasion
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
dropper remcos keylog virus
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 rundll32 windows
Verdict:
Malicious
Labled as:
Trojan.Remcos
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-11T11:16:00Z UTC
Last seen:
2026-01-02T02:37:00Z UTC
Hits:
~100
Malware family:
REMCOS
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2025-12-23 06:31:00 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
30 of 36 (83.33%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'922 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost discovery
Behaviour
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Malware Config
C2 Extraction:
holdrem.dynuddns.com:2404
Malware Family:
n/a
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0
YARA:
malware_windows_remcos_rat REMCOS_RAT_variants Remcos_Payload win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965 Remcos
Unpacked files
SH256 hash:
3665b2d3592015cc53cb7e5af79cdec345c21a85d9d07968d6c7598128ca5cb4
MD5 hash:
22b7cbacaf4824a7d616a68aaff87c6e
SHA1 hash:
a8a7f850b858621c0ecc3740d0190ee5b62c3de3
Detections:
win_remcos_w0
win_remcos_auto
Remcos
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | Remcos_unpacked_PulseIntel |
|---|---|
| Author: | PulseIntel |
| Description: | Remcos Payload |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| 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 |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| 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
Delivery method
Distributed via web download
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