MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d1b163bb13e2156bb5574bd8d885474cf214e003b4b4ea5be19cea3a0635d26. 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: 13


Intelligence 13 IOCs YARA File information Comments
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SHA256 hash: 4d1b163bb13e2156bb5574bd8d885474cf214e003b4b4ea5be19cea3a0635d26
SHA3-384 hash: 96065ba34013cbb268670dcbbea6badac4f4ddabee0eddab977704282155ee973423cc88b1b99e4225f25c2f7080f751
SHA1 hash: 153a9f7c3dcd7e64e550dd69dc4dafd3f096f62a
MD5 hash: e6b7797a40ded00727cebc3e0b394672
humanhash: march-alanine-eight-king
File name:Samples and specification-JPG.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:967 bytes
First seen:2025-09-02 08:22:19 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24:p+jZEKc5my142MfcmZE/CA82cEXEkyfMGPee:UEvZPSc6wVNcETg
TLSH T1EC11360EAC1CF185567137FAAB1BA64CDDE1443B2623F652728CEDC0AF3012005A4EAF
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
SE SE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.25834.JsHeur.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68b6a95eeb163e0ec1841e8e
Tags:
phishing autorun autoit emotet
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper
Link:
https://www.filescan.io/uploads/68b6a9cf1c81c34281db5c80/reports/d86fc228-5e9c-405b-bfe2-47430f877dd8/overview
Verdict:
Malicious
Labled as:
Exploit.EXE
Link:
https://www.hybrid-analysis.com/sample/4d1b163bb13e2156bb5574bd8d885474cf214e003b4b4ea5be19cea3a0635d26
Verdict:
Malicious
File Type:
js
First seen:
2025-09-02T10:09:00Z UTC
Last seen:
2025-09-02T10:09:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/4d1b163bb13e2156bb5574bd8d885474cf214e003b4b4ea5be19cea3a0635d26/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1769316
Signature
Benign windows process drops PE files
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Drops executable to a common third party application directory
Drops VBS files to the startup folder
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)
Maps a DLL or memory area into another process
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1769316 Sample: Samples and specification-JPG.js Startdate: 02/09/2025 Architecture: WINDOWS Score: 100 48 remcodit.top 2->48 50 raw.githubusercontent.com 2->50 52 geoplugin.net 2->52 66 Suricata IDS alerts for network traffic 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 9 other signatures 2->72 10 wscript.exe 1 15 2->10         started        15 wscript.exe 1 2->15         started        signatures3 process4 dnsIp5 54 raw.githubusercontent.com 185.199.110.133, 443, 49684 FASTLYUS Netherlands 10->54 42 C:\Users\user\AppData\Local\...\Firefox.exe, PE32 10->42 dropped 44 C:\Users\user\AppData\Local\...\ORDER[1].exe, PE32 10->44 dropped 84 System process connects to network (likely due to code injection or exploit) 10->84 86 Benign windows process drops PE files 10->86 88 JScript performs obfuscated calls to suspicious functions 10->88 90 3 other signatures 10->90 17 Firefox.exe 6 10->17         started        21 Bactris.exe 2 15->21         started        file6 signatures7 process8 file9 38 C:\Users\user\AppData\Local\...\Bactris.exe, PE32 17->38 dropped 60 Binary is likely a compiled AutoIt script file 17->60 23 Bactris.exe 3 17->23         started        62 Writes to foreign memory regions 21->62 64 Maps a DLL or memory area into another process 21->64 27 svchost.exe 21->27         started        signatures10 process11 file12 40 C:\Users\user\AppData\Roaming\...\Bactris.vbs, data 23->40 dropped 74 Binary is likely a compiled AutoIt script file 23->74 76 Drops VBS files to the startup folder 23->76 78 Writes to foreign memory regions 23->78 82 2 other signatures 23->82 29 svchost.exe 2 9 23->29         started        80 Detected Remcos RAT 27->80 signatures13 process14 dnsIp15 56 remcodit.top 172.245.106.45, 2477, 49685 AS-COLOCROSSINGUS United States 29->56 58 geoplugin.net 178.237.33.50, 49686, 80 ATOM86-ASATOM86NL Netherlands 29->58 46 C:\ProgramData\remcos\logs.dat, data 29->46 dropped 92 System process connects to network (likely due to code injection or exploit) 29->92 94 Detected Remcos RAT 29->94 96 Installs a global keyboard hook 29->96 34 WerFault.exe 21 29->34         started        36 WerFault.exe 4 21 29->36         started        file16 signatures17 process18
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4d1b163bb13e2156bb5574bd8d885474cf214e003b4b4ea5be19cea3a0635d26
Verdict:
Malware
YARA:
1 match(es)
Tags:
DeObfuscated Obfuscated T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/e6b7797a40ded00727cebc3e0b394672
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d1b163bb13e2156bb5574bd8d885474cf214e003b4b4ea5be19cea3a0635d26/
Threat name:
Script-JS.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-09-02 08:28:29 UTC
File Type:
Text (VBS)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=junrmo5rhyqvno2vos6y3ccuothsctqahnfu5jn6dhhkhiddluta._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution rat
Link:
https://tria.ge/reports/250902-kbeaqsfm3v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Badlisted process makes network request
Downloads MZ/PE file
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
remcodit.top:2477
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4d1b163bb13e2156bb5574bd8d885474cf214e003b4b4ea5be19cea3a0635d26

File information

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

Comments