MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df4c77e19109b83fff25175d0cffcaee8ce74306df86df5cdbe58e4cd8b95b3c. 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


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df4c77e19109b83fff25175d0cffcaee8ce74306df86df5cdbe58e4cd8b95b3c
SHA3-384 hash: 519aba50410f1322f52a5d9288be8d3f8e082aecfb24ff7c1f9ac5b53bff9b7cccaaa39c63deb828d5c692552e2058ad
SHA1 hash: bada5b55c9c2529fea7fa707464599b990b1944d
MD5 hash: ee518ca859a00f1f061cbc9a75326f8e
humanhash: bravo-five-white-wyoming
File name:LABOSERV_NB-0010214026_PDF.js
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:16'580 bytes
First seen:2026-04-15 07:56:54 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 192:p1ihqcev3No43G5AoGZ8rWoiDIej0saQHtlWsAB8vfBQ3fi5Egp2g:pKfi5Egp2g
Threatray 2'320 similar samples on MalwareBazaar
TLSH T1AB7258AFCC040A6E2D6C612786FB447BA67B71E2F0A36A41704C5477FA95D83F448B6C
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.32532.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69df457af68adfe10039faf4
Tags:
cryxos virus spawn blic
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive formbook masquerade repaired
Link:
https://www.filescan.io/uploads/69df46e35ea31bc68a2c33e9/reports/34c204d7-4b29-4058-bc13-3995d6fcbceb/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/df4c77e19109b83fff25175d0cffcaee8ce74306df86df5cdbe58e4cd8b95b3c
Result
Gathering data
Verdict:
Malicious
File Type:
js
First seen:
2026-04-14T10:30:00Z UTC
Last seen:
2026-04-15T04:53:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/df4c77e19109b83fff25175d0cffcaee8ce74306df86df5cdbe58e4cd8b95b3c/results?tab=lookup
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1898518
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Creates processes via WMI
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Environment Variable Has Been Registered
Sigma detected: Suspicious Process Parents
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Sigma detected: WScript or CScript Dropper
Sigma detected: WScript or CScript Dropper - File
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1898518 Sample: LABOSERV_NB-0010214026_PDF.js Startdate: 15/04/2026 Architecture: WINDOWS Score: 100 54 dentalux202.ydns.eu 2->54 56 aumri.ae 2->56 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 17 other signatures 2->66 8 powershell.exe 14 16 2->8         started        12 wscript.exe 2 2 2->12         started        15 wscript.exe 2->15         started        signatures3 process4 dnsIp5 58 aumri.ae 110.4.45.181, 443, 49693, 49698 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 8->58 80 Writes to foreign memory regions 8->80 82 Injects a PE file into a foreign processes 8->82 84 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->84 17 calc.exe 4 3 8->17         started        22 conhost.exe 8->22         started        50 C:\Users\Public\Downloads50ame_File.js, ASCII 12->50 dropped 86 Suspicious powershell command line found 12->86 88 Wscript starts Powershell (via cmd or directly) 12->88 90 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->90 92 2 other signatures 12->92 24 powershell.exe 15->24         started        file6 signatures7 process8 dnsIp9 52 dentalux202.ydns.eu 94.198.96.165, 49699, 49700, 49702 ASSEFLOWAmsterdamInternetExchangeAMS-IXIT Italy 17->52 42 C:\Users\user\AppData\Local\Temp\THEC6B.tmp, MS-DOS 17->42 dropped 44 C:\Users\user\AppData\Local\Temp\THEBED.tmp, MS-DOS 17->44 dropped 46 C:\Users\user\AppData\Local\Temp\THEB40.tmp, MS-DOS 17->46 dropped 68 System process connects to network (likely due to code injection or exploit) 17->68 70 Contains functionality to bypass UAC (CMSTPLUA) 17->70 72 Detected Remcos RAT 17->72 78 8 other signatures 17->78 26 userinit.exe 2 17->26         started        30 userinit.exe 1 17->30         started        32 userinit.exe 1 17->32         started        34 WerFault.exe 21 17->34         started        74 Writes to foreign memory regions 24->74 76 Injects a PE file into a foreign processes 24->76 36 calc.exe 24->36         started        38 conhost.exe 24->38         started        40 calc.exe 24->40         started        file10 signatures11 process12 file13 48 C:\Users\user\AppData\...\cgkluafpjhyoxd, Unicode 26->48 dropped 94 Tries to steal Mail credentials (via file registry) 26->94 96 Tries to harvest and steal browser information (history, passwords, etc) 26->96 98 Unusual module load detection (module proxying) 26->98 100 Tries to steal Instant Messenger accounts or passwords 30->100 102 Tries to steal Mail credentials (via file / registry access) 30->102 104 Detected Remcos RAT 36->104 signatures14
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/df4c77e19109b83fff25175d0cffcaee8ce74306df86df5cdbe58e4cd8b95b3c
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/df4c77e19109b83fff25175d0cffcaee8ce74306df86df5cdbe58e4cd8b95b3c/
Threat name:
Script-JS.Trojan.Cryxos
Create hunting rule
Status:
Malicious
First seen:
2026-04-14 20:44:40 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=35ghpymrbg4d77zfc5oqz76k52gooqyg36dn6xg34whezwfzlm6a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f1425848b9b390461924a03c4c9bac804cf1f9694ea66469d3222b730a816b5
RemcosRAT
412953324b82b071252b3f583ac9fcb932f16ec50f12bf09c8a1e1b550a5e891
RemcosRAT
60ca76c8721cac0b8fb9daac721242ae7ae708ca948d096d54c5cc18f31541b1
RemcosRAT
66aae0218e3375fbc87f3b7ff9015b2988e1f800c0b8e97007bb97a20693f710
RemcosRAT
a5e8581ffa0b54efbb78db8401641213521a319a46b0570f4079a73b345fd1de
RemcosRAT
b098a1eb7a1b6d9b1c8b5d58b36ea9fcf51dd3cf057069251ab6dba7902d784e
RemcosRAT
b52868a2066e8432cce67c35fdfa3acc675ad0537e15973155cf4b04f2066e85
RemcosRAT
ce3d4a6aca8b7fc6e921fd16c0db7b6eb080cea524fa8df7d7b69104d62e5c23
RemcosRAT
error
RemcosRAT
+ 2'310 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:mar ending collection defense_evasion discovery execution persistence rat trojan
Link:
https://tria.ge/reports/260415-jvsf2acs8w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Command and Scripting Interpreter: JavaScript
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
Family: Remcos
Process spawned unexpected child process
UAC bypass
Malware Config
C2 Extraction:
dentalux202.ydns.eu:62582
dentalux202bk.ydns.eu:64636
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/df4c77e19109b83fff25175d0cffcaee8ce74306df86df5cdbe58e4cd8b95b3c

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Comments