MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1f0741dc916d87a9e2aa50aa09426e18d7dd239ca2483bd286939a3e5aaac260. 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
| SHA256 hash: | 1f0741dc916d87a9e2aa50aa09426e18d7dd239ca2483bd286939a3e5aaac260 |
|---|---|
| SHA3-384 hash: | f1d7da8f322f4cdf4d39e02f4a4238d4d3e5e04b2e4c9cc5910ba7f418c53111ca1c7986f057bef92a3a3e51ca8f2031 |
| SHA1 hash: | 56328620891f8871bea4a34b4435200dcdce926d |
| MD5 hash: | 4ee912d2ac869667466d65999ae2bffd |
| humanhash: | grey-mobile-queen-twenty |
| File name: | dzjopzpa.JS |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 7'520'195 bytes |
| First seen: | 2025-12-09 13:20:51 UTC |
| Last seen: | Never |
| File type: |  js |
| MIME type: | text/plain |
| ssdeep | 24576:7uni8PxdIMGw8SxHsQAubik2sLjPNxSd8DhemUlyTT6bBW1KvbMrc4QLjaY4NGIY:tWzU6JoLC2Mi9uqexFVJG82v6vE |
| Threatray | 1'917 similar samples on MalwareBazaar |
| TLSH | T11876E877268B68D639EBED5E2630DA205C573B33344EC418F1F8622620E1D55E932DBB |
| Magika | javascript |
| Reporter |  abuse_ch |
| Tags: | js RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
136
Origin country :
SEVendor Threat Intelligence
No detections
Detection(s):
Verdict:
Suspicious
Score:
50%
Tags:
emotet keylog blic word
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug base64 dropper evasive obfuscated obfuscated overlay packed repaired
Verdict:
Suspicious
Labled as:
TR/Malware
Verdict:
Malicious
File Type:
js
First seen:
2025-12-08T04:21:00Z UTC
Last seen:
2025-12-11T10:32:00Z UTC
Hits:
~10000
Detections:
Backdoor.Remcos.TCP.C&C HEUR:Trojan-Dropper.Script.Generic HEUR:Trojan.Script.Generic Trojan-Dropper.Win32.Injector.qcik Backdoor.Win32.Remcos.sb not-a-virus:HEUR:PSWTool.Win32.PassView.c not-a-virus:HEUR:PSWTool.Win32.PassView.b not-a-virus:HEUR:PSWTool.Win32.PassView.a
Result
Threat name:
Remcos, DonutLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Executes Lua script
Found API chain indicative of debugger detection
Found malware configuration
Installs a global keyboard hook
JavaScript file contains Antivirus product strings
JavaScript source code contains functionality to generate code involving a shell, file or stream
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sigma detected: Execution from Suspicious Folder
Sigma detected: Remcos
Sigma detected: Suspicious Creation with Colorcpl
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected DonutLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Base64 Payload Contains Base64 Block Executable PE (Portable Executable) PE File Layout
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-12-08 23:48:42 UTC
File Type:
Binary
AV detection:
4 of 38 (10.53%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
nirsoft
admintool_mailpassview
remcos
Similar samples:
+ 1'907 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Score:
10/10
Tags:
family:donutloader discovery execution loader
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detects DonutLoader
DonutLoader
Donutloader family
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | ClamAV_Emotet_String_Aggregate |
|---|
| 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_EXE_Packed_MPress |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables built or packed with MPress PE compressor |
| 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: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| 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: | TeslaCryptPackedMalware |
|---|
| 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.
No further information available
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