MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8d59761d1e3dc3bfc1b43c5ed15dade7fd375b1d314313d483bf9ff76cd7af57. 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: 19
| SHA256 hash: | 8d59761d1e3dc3bfc1b43c5ed15dade7fd375b1d314313d483bf9ff76cd7af57 |
|---|---|
| SHA3-384 hash: | 8353a235e07cd14f5b2d059f23e85ad4cd5697eef802a9370702acfbec0ca5a7ecc6d1ee36ade5611404c4389fd3465c |
| SHA1 hash: | 9144433f662e1c59f727dcd58615b924cd1328ae |
| MD5 hash: | 906f6e211577ed2ef3f118e933b6aead |
| humanhash: | timing-speaker-echo-blossom |
| File name: | 8d59761d1e3dc3bfc1b43c5ed15dade7fd375b1d31431.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 641'536 bytes |
| First seen: | 2026-06-10 20:10:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3d20ba98fb1153d8e87b00324316b42b (1 x RemcosRAT) |
| ssdeep | 12288:rKN72uXsciTv/0+EqjCpas1aUu9dzn76qoLz96ol5KCTYlY:+N79XsciTv/0+EqGpas1xu9dzn+qoLoj |
| TLSH | T1BAD47D49E3B401B5D07BC235CA829527E6F2BC056271562F03D74E9ABF233A1573EB26 |
| TrID | 37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1) |
| Magika | pebin |
| dhash icon | c4d48eaa8ad4d4f8 (1'155 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm) |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 66.63.170.28:2404 | https://threatfox.abuse.ch/ioc/1825811/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
195
Origin country :
NLVendor Threat Intelligence
Malware configuration found for:
Remcos
Details
Malware family:
remcos
ID:
1
File name:
8d59761d1e3dc3bfc1b43c5ed15dade7fd375b1d314313d483bf9ff76cd7af57.exe
Verdict:
Malicious activity
Analysis date:
2026-06-10 19:59:20 UTC
Tags:
remcos rat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
99.9%
Tags:
remcos cobalt
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Setting a keyboard event handler
Connection attempt
Creating a file
Connection attempt to an infection source
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug config-extracted crypto evasive exploit explorer fingerprint keylogger lolbin microsoft_visual_cc packed rat rat reconnaissance remcos rundll32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-06-10T05:57:00Z UTC
Last seen:
2026-06-11T22:21:00Z UTC
Hits:
~100
Detections:
Trojan-Spy.Win32.Xegumumune.sbc Backdoor.Win32.Remcos.sb Backdoor.Win32.Remcos.e Trojan.Miner.HTTP.ServerRequest PDM:Trojan.Win32.Generic Backdoor.Win32.Remcos.acgj Backdoor.Remcos.TCP.C&C
Verdict:
Suspicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject threads in other processes
Contains functionality to steal Internet Explorer form passwords
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Found evasive API chain checking for user administrative privileges
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes / dynamic malware analysis system (Installed program check)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Uses the Windows Restart Manager Abuse for Browser Credential File unlocking
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win64.Backdoor.Remcos
Status:
Malicious
First seen:
2026-06-10 19:59:28 UTC
File Type:
PE+ (Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost rat suricata
Behaviour
Suspicious use of SetWindowsHookEx
Family: Remcos
Suricata alert: REMCOS RAT Malware Inbound C2 Communication
Suricata alert: REMCOS RAT Malware Outbound C2 Communication
Malware Config
C2 Extraction:
66.63.170.28:2404
Unpacked files
SH256 hash:
8d59761d1e3dc3bfc1b43c5ed15dade7fd375b1d314313d483bf9ff76cd7af57
MD5 hash:
906f6e211577ed2ef3f118e933b6aead
SHA1 hash:
9144433f662e1c59f727dcd58615b924cd1328ae
Detections:
win_remcos_w0
Remcos
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: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| 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: | RANSOMWARE |
|---|---|
| Author: | ToroGuitar |
| Rule name: | Remcos_unpacked_PulseIntel |
|---|---|
| Author: | PulseIntel |
| Description: | Remcos Payload |
| Rule name: | Sus_All_Windows_PE_Malware |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects Windows PE malware of all types, avoids non-executables like .html |
| 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: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
| Rule name: | Windows_Trojan_Remcos_921ef449 |
|---|---|
| Author: | Elastic Security |
| 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_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.
No further information available
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