MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23f9fe7816885cdc1fa4082870eb0eb6804df4dc15cafb0cb4c301bc7bebe5ea. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
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SHA256 hash: 23f9fe7816885cdc1fa4082870eb0eb6804df4dc15cafb0cb4c301bc7bebe5ea
SHA3-384 hash: 82dba66dcbae8461df1189c80885eb933a910d50b7b62a975e022f0a67916bc93bf92a3a6accae8f1bf0fe39b7f220e8
SHA1 hash: f391e447e6328e431b25cb0c8aba31070b794eca
MD5 hash: 062641ddc935ef1650f52cba5067283e
humanhash: fanta-red-sodium-golf
File name:PaymentOrder_report_69747277_1717947568697.JS
Download: download sample
Signature RemcosRAT
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File size:2'138'497 bytes
First seen:2025-05-23 11:47:08 UTC
Last seen:2025-05-27 06:42:25 UTC
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 6144:YED4Ze6PbH4ZrRFbXqd5TJ72WYMBCedIK:YW655TJ72WYMBCedIK
Threatray 1'001 similar samples on MalwareBazaar
TLSH T1F1A533482F552EDF0F678DEC63352EC0E83516CA9407782D4AA057F4D8DEC65EAB12E8
Magika javascript
Reporter lowmal3
Tags:js RemcosRAT webmail-aruba-it--ajaxfile

Intelligence

File Origin
# of uploads :
2
# of downloads :
461
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.PUA.JS.Obfus-2179.UNOFFICIAL
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SecuriteInfo.com.PUA.JS.Obfus-2525.UNOFFICIAL
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Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683061464912a6b9dd4c5d9e
Tags:
obfuscate xtreme shell
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Link:
https://www.hybrid-analysis.com/sample/23f9fe7816885cdc1fa4082870eb0eb6804df4dc15cafb0cb4c301bc7bebe5ea
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1697706
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
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 Powershell decode and execute
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1697706 Sample: PaymentOrder_report_6974727... Startdate: 23/05/2025 Architecture: WINDOWS Score: 100 26 eb.cfjmfd8.sa.com 2->26 28 webmail.aruba.it 2->28 30 4 other IPs or domains 2->30 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 11 other signatures 2->46 8 wscript.exe 1 1 2->8         started        signatures3 process4 signatures5 48 JScript performs obfuscated calls to suspicious functions 8->48 50 Suspicious powershell command line found 8->50 52 Wscript starts Powershell (via cmd or directly) 8->52 54 2 other signatures 8->54 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 36 eb.cfjmfd8.sa.com 194.163.144.199, 49721, 80 NEXINTO-DE Germany 11->36 38 webmail.aruba.it 62.149.158.90, 443, 49720 ARUBA-ASNIT Italy 11->38 56 Writes to foreign memory regions 11->56 58 Injects a PE file into a foreign processes 11->58 15 MSBuild.exe 11->15         started        18 MSBuild.exe 4 15 11->18         started        22 conhost.exe 11->22         started        signatures8 process9 dnsIp10 60 Contains functionality to bypass UAC (CMSTPLUA) 15->60 62 Contains functionalty to change the wallpaper 15->62 64 Contains functionality to steal Chrome passwords or cookies 15->64 68 2 other signatures 15->68 32 172.177.207.123, 4720, 49722 ATT-INTERNET4US United States 18->32 34 geoplugin.net 178.237.33.50, 49723, 80 ATOM86-ASATOM86NL Netherlands 18->34 24 C:\Users\user\dwgs.dat, data 18->24 dropped 66 Installs a global keyboard hook 18->66 file11 signatures12
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/23f9fe7816885cdc1fa4082870eb0eb6804df4dc15cafb0cb4c301bc7bebe5ea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23f9fe7816885cdc1fa4082870eb0eb6804df4dc15cafb0cb4c301bc7bebe5ea/
Threat name:
Win32.Trojan.Generic
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Status:
Suspicious
First seen:
2025-05-23 11:47:26 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 24 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ep4746awrbonyh5ebauhb2yow2ae35g4cxfpwdfuyma3y67l4xva._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1954852d49e10ab60251b4d441456bde537c7f349297c2c9c972aaf6cd9f5065
RemcosRAT
25d96cd43fe35d1ab7dd8be793a2b54595876ba8514ab273efe59a345afaae14
RemcosRAT
55021119b7a7a05fea8b2141242d77bf417462a9a55c7ebcf8a01fda46072602
RemcosRAT
5ad1335c5ee3383a9df8dc9cbb6ae96d79e81485c7c239675bc2bbb0b9499d39
RemcosRAT
6d76eb3bddde98330c44eaad153adab619c41faa8fda8f32802b6d8046188618
RemcosRAT
6e7b45cff195d3b5234ecb0d64022233bb382524960fee75316ffeb3c87ad102
RemcosRAT
9568e856bd7e2469908c9ee8dfc816f94662dd9643e34c6ec6d3153656e82247
RemcosRAT
9f28f82d21fe99d0efdcab403f73870d68fd94e6d0f762e658d923ccd1e7424c
RemcosRAT
a99dcf9a006a8bba7ff7a934fdd7d1d4232ee5ead022dcdc36a2bb9f8e3242d6
RemcosRAT
error
RemcosRAT
fd55dac59db1d3b1537ed0668b0dabaaa1cc6b178ef5c8cb758b7290f7e34030
RemcosRAT
+ 991 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:rainscrypt discovery execution rat
Link:
https://tria.ge/reports/250523-nx26gadk31/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
172.177.207.123:4720
172.177.207.123:4730
172.177.207.123:4750
Dropper Extraction:
https://webmail.aruba.it/smart/cgi-bin/ajaxfile?ACT_FIL_DL=1&PUBLICUID=@1.VFMxM0RLUmlpak5VUCt4RkdEU3luR3VzRmxneHAzUStkTzBJZythWmhBYXR2Rng3R2dCNVl5V3djYTBnV0luVA==
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23f9fe781688/report/overview.html
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/23f9fe7816885cdc1fa4082870eb0eb6804df4dc15cafb0cb4c301bc7bebe5ea

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:Base64_Encoded_Powershell_Directives
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File information

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

  
Delivery method
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