MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c0b31e254a314acbbc363fcca03aff303c85aaa0b41f3c9feb8581e5678e7ea9. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: c0b31e254a314acbbc363fcca03aff303c85aaa0b41f3c9feb8581e5678e7ea9
SHA3-384 hash: cf0ab20d5e9c27b4af8bdfb18ca84330922f3de8305f5b59d50ba97849156d2c7c54dbba08a91c3432fdf50478be3705
SHA1 hash: 7a8cc890871cffdcca9a5450cc9101096d17bbb4
MD5 hash: e09b3a2f38c8b6940149c4fa5d77d7d8
humanhash: potato-connecticut-robin-don
File name:Scan 201709944732.js
Download: download sample
Signature RemcosRAT
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File size:1'154'060 bytes
First seen:2025-07-12 17:37:33 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:ASEfmeyprYe80Vo4opfR+TUGoypP3E/nIjozIFD5O5EdY1LAkkXO1:BOmey9Vo4oDQU1Mf2IjF9nuLnZ
TLSH T10235BF34D106ACCF7EED299B94082FC10D6825C7D2AD56E4EF8CF36B12E95119E6C4AC
Magika vba
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
29
Origin country :
SE SE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.PUA.Base64EXE-1.UNOFFICIAL
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Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68729d98900df8e7f86a3d6d
Tags:
phishing autorun delphi emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug base64 dropper fingerprint keylogger obfuscated obfuscated packed packed
Link:
https://www.filescan.io/uploads/68729d961bf7248a9289f005/reports/e8ecdfab-811b-480d-88d8-9d27dfbaad9b/overview
Verdict:
Malicious
Labled as:
GT:JS.Cbum.1.25F49B73;Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c0b31e254a314acbbc363fcca03aff303c85aaa0b41f3c9feb8581e5678e7ea9
Result
Threat name:
Remcos, DBatLoader
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Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1734828
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Drops PE files with a suspicious file extension
Early bird code injection technique detected
Found malware configuration
Installs a global keyboard hook
JavaScript file contains suspicious strings
Joe Sandbox ML detected suspicious sample
JScript performs obfuscated calls to suspicious functions
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: Remcos
Sigma detected: Suspicious Creation with Colorcpl
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1734828 Sample: Scan 201709944732.js Startdate: 12/07/2025 Architecture: WINDOWS Score: 100 73 logscomenow.sbs 2->73 75 hbws.cc 2->75 77 geoplugin.net 2->77 93 Suricata IDS alerts for network traffic 2->93 95 Found malware configuration 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 13 other signatures 2->99 10 wscript.exe 1 2 2->10         started        14 rundll32.exe 3 2->14         started        signatures3 process4 file5 67 C:\Users\user\AppData\Local\Temp\x.exe, PE32 10->67 dropped 121 Benign windows process drops PE files 10->121 123 JScript performs obfuscated calls to suspicious functions 10->123 125 Windows Scripting host queries suspicious COM object (likely to drop second stage) 10->125 16 x.exe 7 10->16         started        21 Cgdqgnvk.PIF 14->21         started        signatures6 process7 dnsIp8 69 hbws.cc 185.208.158.17, 443, 49687, 49688 SIMPLECARRER2IT Switzerland 16->69 61 C:\Users\user\Links\Cgdqgnvk.PIF (copy), PE32 16->61 dropped 83 Multi AV Scanner detection for dropped file 16->83 85 Early bird code injection technique detected 16->85 87 Allocates memory in foreign processes 16->87 91 2 other signatures 16->91 23 colorcpl.exe 2 15 16->23         started        28 cmd.exe 1 16->28         started        30 cmd.exe 1 16->30         started        32 cmd.exe 1 16->32         started        89 Allocates many large memory junks 21->89 34 colorcpl.exe 21->34         started        file9 signatures10 process11 dnsIp12 79 logscomenow.sbs 198.135.49.79, 2490, 49691 CISCOSYSTEMSUS United States 23->79 81 geoplugin.net 178.237.33.50, 49692, 80 ATOM86-ASATOM86NL Netherlands 23->81 65 C:\ProgramData\remcos\logs.dat, data 23->65 dropped 107 Detected Remcos RAT 23->107 109 Contains functionalty to change the wallpaper 23->109 111 Contains functionality to steal Chrome passwords or cookies 23->111 119 4 other signatures 23->119 36 cmd.exe 1 23->36         started        113 Uses ping.exe to sleep 28->113 115 Uses schtasks.exe or at.exe to add and modify task schedules 28->115 117 Uses ping.exe to check the status of other devices and networks 28->117 38 esentutl.exe 2 28->38         started        42 conhost.exe 28->42         started        44 alpha.pif 2 28->44         started        46 alpha.pif 2 28->46         started        48 PING.EXE 1 30->48         started        51 conhost.exe 30->51         started        53 conhost.exe 32->53         started        55 schtasks.exe 1 32->55         started        file13 signatures14 process15 dnsIp16 57 reg.exe 1 36->57         started        59 conhost.exe 36->59         started        63 C:\Users\Public\alpha.pif, PE32 38->63 dropped 101 Drops PE files to the user root directory 38->101 103 Drops PE files with a suspicious file extension 38->103 105 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 38->105 71 127.0.0.1 unknown unknown 48->71 file17 signatures18 process19
Score:
97%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/c0b31e254a314acbbc363fcca03aff303c85aaa0b41f3c9feb8581e5678e7ea9
Verdict:
inconclusive
YARA:
1 match(es)
Link:
https://app.malva.re/file/e09b3a2f38c8b6940149c4fa5d77d7d8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c0b31e254a314acbbc363fcca03aff303c85aaa0b41f3c9feb8581e5678e7ea9/
Threat name:
Script-JS.Trojan.Leonem
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Status:
Malicious
First seen:
2025-07-11 19:41:33 UTC
File Type:
Text
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yczr4jkkgffmxpbwh7gkaox7ga6ilkvawqptzh7lqwa6kz4op2uq._file
Verdict:
malicious
Label(s):
dbatloader
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Similar samples:
error
RemcosRAT
Result
Malware family:
modiloader
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Score:
  10/10
Tags:
family:modiloader defense_evasion discovery execution persistence trojan
Link:
https://tria.ge/reports/250712-v7xr3atwcz/
Behaviour
Modifies registry key
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Script User-Agent
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Checks computer location settings
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
UAC bypass
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:botnet_plaintext_c2
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Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Comments