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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68953678068edf277e720f8d8db2e487f4eca28abd887e36435da96569dadf07. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
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SHA256 hash: 68953678068edf277e720f8d8db2e487f4eca28abd887e36435da96569dadf07
SHA3-384 hash: f866b87752d23b7c1a9e0f2e1ede65b965f7bdf287e1b9c105579391f1cb81f0a8dade56f53ab4d347f6c4613bf70217
SHA1 hash: 4dab9c706b7035166bf2f2011a1bfce8e3b08ecc
MD5 hash: 94b98179dcc1205086906bcae949a765
humanhash: seventeen-spring-fourteen-river
File name:WY220353098B.js
Download: download sample
Signature RemcosRAT
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File size:4'714 bytes
First seen:2022-11-02 13:09:47 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 96:Hxwibr2CJUDHENOS0r15/x+//ZmAFsqXrYftDZDdpwtDZ1dcodadmHmewdgdadmF:RwifNl0r15J+//jFH7g8/4Ty4Vo7aO4o
TLSH T1CBA121272AE0586213E27BF77A7FF1C4EC5888B73D804CAB1100FD981D90115E9F5A32
Reporter malwarelabnet
Tags:js remcos RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.PUA.JS.Obfus-2185.UNOFFICIAL
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Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63626c2ece1f43143c2a73a4/reports/64d79815-0ae1-495c-8ac1-5b25883eba57/overview
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103296
Signature
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Deletes itself after installation
Drops PE files to the startup folder
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
JScript performs obfuscated calls to suspicious functions
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential obfuscated javascript found
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 735958 Sample: WY220353098B.js Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 42 betrice1.chickenkiller.com 2->42 56 Snort IDS alert for network traffic 2->56 58 Multi AV Scanner detection for domain / URL 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 14 other signatures 2->62 9 wscript.exe 15 2->9         started        14 Syddddstem.exe 1 2->14         started        signatures3 process4 dnsIp5 44 tgc8x.tk 50.115.174.192, 443, 49700 VIRPUS United States 9->44 38 C:\Users\user\AppData\Local\...\johnrem.exe, PE32 9->38 dropped 40 C:\Users\user\AppData\...\johnrem[1].exe, PE32 9->40 dropped 68 System process connects to network (likely due to code injection or exploit) 9->68 70 Benign windows process drops PE files 9->70 72 JScript performs obfuscated calls to suspicious functions 9->72 74 Deletes itself after installation 9->74 16 johnrem.exe 1 9->16         started        19 powershell.exe 3 14->19         started        21 RegSvcs.exe 14->21         started        file6 signatures7 process8 signatures9 48 Antivirus detection for dropped file 16->48 50 Multi AV Scanner detection for dropped file 16->50 52 Machine Learning detection for dropped file 16->52 54 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 16->54 23 powershell.exe 13 16->23         started        27 RegSvcs.exe 2 16->27         started        30 RegSvcs.exe 16->30         started        32 conhost.exe 19->32         started        process10 dnsIp11 36 C:\Users\user\AppData\...\Syddddstem.exe, PE32 23->36 dropped 64 Drops PE files to the startup folder 23->64 66 Powershell drops PE file 23->66 34 conhost.exe 23->34         started        46 betrice1.chickenkiller.com 45.137.22.153, 1983 ROOTLAYERNETNL Netherlands 27->46 file12 signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/68953678068edf277e720f8d8db2e487f4eca28abd887e36435da96569dadf07/
Threat name:
Script-JS.Backdoor.Remcos
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Status:
Malicious
First seen:
2022-11-02 02:41:58 UTC
File Type:
Text (JavaScript)
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ncktm6agr3pso7tsb6gy3mxeq72oziukxweh4nsdlwuwk2o234dq._file
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:ramcosjh rat
Link:
https://tria.ge/reports/221102-qedfhabfcq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
betrice1.chickenkiller.com:1983
Malware family:
Remcos
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/68953678068e/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/68953678068edf277e720f8d8db2e487f4eca28abd887e36435da96569dadf07

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:SUSP_obfuscated_JS_obfuscatorio
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Author:@imp0rtp3
Description:Detect JS obfuscation done by the js obfuscator (often malicious)
Reference:https://obfuscator.io

File information

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

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