MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88cdc8636f78b3594000a95f10e3a9ee30944ff723f24d6695dd1615ee2bbb21. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
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SHA256 hash: 88cdc8636f78b3594000a95f10e3a9ee30944ff723f24d6695dd1615ee2bbb21
SHA3-384 hash: 696cd18b1dd1b75f8b1367b4bdc653707d420836a9c93551d840c588b1ae0b5d7f2b19fe114a2f2bb8b0b9c68d18eeea
SHA1 hash: 89403f365440ec8b2d3797d71a17fbbc829bb99e
MD5 hash: 96d9bb6edc054d2aeb544037c5014a55
humanhash: beer-alanine-undress-berlin
File name:OUR REF RET-402-1438.JS
Download: download sample
Signature RemcosRAT
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File size:17'003'400 bytes
First seen:2025-05-07 09:26:09 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 768:Zsy3M5GTjIHisy3M5GTjIHJsy3M5GTjIHisy3M5GTjIHJsy3M5GTjIHisy3M5GTi:s
Threatray 4'206 similar samples on MalwareBazaar
TLSH T1BF075AAA23070C31FED3225C9DBC1DAA58E91EC57AF3375CEB7D1080AE48626D593176
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
422
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Heur.13318.354.UNOFFICIAL
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Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681b27bd91991ead82b5bdd3
Tags:
obfuscate cryxos xtreme shell
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/681b273dd95f3e34e962d5cc/reports/792104dc-fa30-46e7-a27f-3e0f4eb67ff6/overview
Verdict:
Malicious
Labled as:
Trojan.Cryxos.JS
Link:
https://www.hybrid-analysis.com/sample/88cdc8636f78b3594000a95f10e3a9ee30944ff723f24d6695dd1615ee2bbb21
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/1683056
Signature
C2 URLs / IPs found in malware configuration
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
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Remcos
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: 1683056 Sample: OUR REF RET-402-1438.JS.js Startdate: 07/05/2025 Architecture: WINDOWS Score: 100 26 akzholpetroleum.xyz 2->26 28 truelifemed.cam 2->28 30 6 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 48 11 other signatures 2->48 8 wscript.exe 1 1 2->8         started        signatures3 46 Performs DNS queries to domains with low reputation 26->46 process4 signatures5 50 Suspicious powershell command line found 8->50 52 Wscript starts Powershell (via cmd or directly) 8->52 54 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->54 56 Suspicious execution chain found 8->56 11 powershell.exe 14 15 8->11         started        process6 dnsIp7 36 fastandirect.com 185.196.8.66, 443, 49725 SIMPLECARRER2IT Switzerland 11->36 38 stonecradle.com 41.185.8.68, 443, 49721 GridhostZA South Africa 11->38 58 Writes to foreign memory regions 11->58 60 Injects a PE file into a foreign processes 11->60 15 MSBuild.exe 11->15         started        18 MSBuild.exe 2 2 11->18         started        22 conhost.exe 11->22         started        signatures8 process9 dnsIp10 62 Contains functionalty to change the wallpaper 15->62 64 Contains functionality to steal Chrome passwords or cookies 15->64 66 Contains functionality to register a low level keyboard hook 15->66 72 2 other signatures 15->72 32 enermax-com.cc 185.196.10.162, 2404, 49726, 49728 SIMPLECARRIERCH Switzerland 18->32 34 truelifemed.cam 185.208.159.9, 2404, 49727, 49729 SIMPLECARRER2IT Switzerland 18->34 24 C:\ProgramData\remcos\logs.dat, data 18->24 dropped 68 Detected Remcos RAT 18->68 70 Installs a global keyboard hook 18->70 file11 signatures12
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/88cdc8636f78b3594000a95f10e3a9ee30944ff723f24d6695dd1615ee2bbb21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/88cdc8636f78b3594000a95f10e3a9ee30944ff723f24d6695dd1615ee2bbb21/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rdg4qy3ppczvsqaavfprby5j5yyjit7xepze2zuv3ulbl3rlxmqq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1b2d6ba0dfcb2247cc3655f37844dbd378abd68364b454dad49288bcf977a88e
RemcosRAT
5aa13f12284f388e4d78c6018ae782aa71da17c8cc737eb31dc3ee70c3caa2f5
RemcosRAT
9c39d381f96fb45ffcb826c90aaee8c6818767eabf44e757fa5518217611d7c7
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b254541038b979c1c21f489e21bc15f594492aff656bc908aa54033bafb05775
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baa92cdc50fba4cec0928b6b1f7d1b89611dedfb9ddb2f1bef9236bc0422c460
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d36ed137f9ad6964486285f443f21a27510c8b15f40ef2c47911b5a47b8bc083
RemcosRAT
d4b5f80983a954f27ebecfdf87f26582b36b64c57f02ede40c74145d880a69f0
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e9c8eec1859524e1d0bc49cf7156a0eb867af6d301b6c98ee82c425ab5d12bda
RemcosRAT
error
RemcosRAT
+ 4'196 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/250507-lecfzszshw/
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:
akzholpetroleum.xyz:2404
enermax-com.cc:2404
truelifemed.cam:2404
Dropper Extraction:
https://stonecradle.com/wp/wex.gif
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/88cdc8636f78b3594000a95f10e3a9ee30944ff723f24d6695dd1615ee2bbb21

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.

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