MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 933b087d6005a3d6631c0488bb71dcc2aadcfc80d47e1818efc6d892259bbff4. 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: 10


Intelligence 10 IOCs YARA 23 File information Comments
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SHA256 hash: 933b087d6005a3d6631c0488bb71dcc2aadcfc80d47e1818efc6d892259bbff4
SHA3-384 hash: 109a9accdc114ffe0ef0884aa0aa861a5c83bbf541b39ec5919fecee46d25f5a1b22522ab9e5822ded89e89bc8bca528
SHA1 hash: d06d93319db9b25cc068677c992543257e3d7c8a
MD5 hash: e8316dff606ae3cfbaee1fc27fee7d65
humanhash: sodium-coffee-nuts-music
File name:Transcations-Invoice--134362Tfd698754.JS
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:17'676'017 bytes
First seen:2025-06-16 12:31:23 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:jTCh2ZNqQ1NQAP8asM6B2YZN5fBb0PuadhuQu:TZNqQ1NQ9ayB2+b0PuchuQu
TLSH T13F07D75B3DF15499219819E1EF138DF91E39EA35CCAE2C8CFBC5D24C2A1C672908796C
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68500f6e8bd5d68a12e8d95c
Tags:
autorun cobalt delphi emotet
Verdict:
Malicious
Labled as:
PowerShell/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/933b087d6005a3d6631c0488bb71dcc2aadcfc80d47e1818efc6d892259bbff4
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1715583
Signature
Allocates many large memory junks
Allocates memory in foreign processes
Antivirus detection for dropped file
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 a thread in another existing process (thread injection)
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Drops PE files with a suspicious file extension
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
JavaScript source code contains functionality to generate code involving a shell, file or stream
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: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1715583 Sample: Transcations-Invoice--13436... Startdate: 16/06/2025 Architecture: WINDOWS Score: 100 58 www.donmichiko.com 2->58 60 geoplugin.net 2->60 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 12 other signatures 2->78 9 wscript.exe 1 2 2->9         started        12 rundll32.exe 3 2->12         started        signatures3 process4 signatures5 96 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->96 14 HEO.PIF 4 9->14         started        18 Dlxvmimi.PIF 12->18         started        process6 file7 54 C:\Users\user\Links\imimvxlD.pif, PE32 14->54 dropped 56 C:\Users\user\Links\Dlxvmimi.PIF, PE32 14->56 dropped 98 Drops PE files with a suspicious file extension 14->98 100 Writes to foreign memory regions 14->100 102 Allocates memory in foreign processes 14->102 110 2 other signatures 14->110 20 SndVol.exe 4 22 14->20         started        25 imimvxlD.pif 14->25         started        27 cmd.exe 1 14->27         started        104 Multi AV Scanner detection for dropped file 18->104 106 Allocates many large memory junks 18->106 108 Creates a thread in another existing process (thread injection) 18->108 29 colorcpl.exe 18->29         started        31 imimvxlD.pif 18->31         started        signatures8 process9 dnsIp10 62 www.donmichiko.com 198.55.98.155, 2556, 49698, 49699 ASN-QUADRANET-GLOBALUS United States 20->62 64 geoplugin.net 178.237.33.50, 49700, 80 ATOM86-ASATOM86NL Netherlands 20->64 46 C:\Users\user\AppData\Local\Temp\THFB2C.tmp, MS-DOS 20->46 dropped 48 C:\Users\user\AppData\Local\Temp\THFAED.tmp, MS-DOS 20->48 dropped 50 C:\Users\user\AppData\Local\Temp\THFA7F.tmp, PE32 20->50 dropped 52 4 other malicious files 20->52 dropped 80 Contains functionality to bypass UAC (CMSTPLUA) 20->80 82 Detected Remcos RAT 20->82 84 Contains functionalty to change the wallpaper 20->84 94 4 other signatures 20->94 33 svchost.exe 1 20->33         started        36 svchost.exe 20->36         started        38 svchost.exe 20->38         started        44 3 other processes 20->44 86 Detected unpacking (creates a PE file in dynamic memory) 25->86 88 Contains functionality to steal Chrome passwords or cookies 25->88 90 Contains functionality to steal Firefox passwords or cookies 25->90 92 Uses schtasks.exe or at.exe to add and modify task schedules 27->92 40 conhost.exe 27->40         started        42 schtasks.exe 1 27->42         started        file11 signatures12 process13 signatures14 66 Tries to steal Instant Messenger accounts or passwords 33->66 68 Tries to steal Mail credentials (via file / registry access) 33->68 70 Tries to harvest and steal browser information (history, passwords, etc) 38->70
Score:
88%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/933b087d6005a3d6631c0488bb71dcc2aadcfc80d47e1818efc6d892259bbff4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/933b087d6005a3d6631c0488bb71dcc2aadcfc80d47e1818efc6d892259bbff4/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/933b087d6005a3d6631c0488bb71dcc2aadcfc80d47e1818efc6d892259bbff4
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sm5qq7laawr5myy4aselw4o4ykvnz7ea2r7bqghpy3mjejm3x72a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
dbatloader
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader discovery execution trojan
Link:
https://tria.ge/reports/250616-pqe8sscj9z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
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/933b087d6005a3d6631c0488bb71dcc2aadcfc80d47e1818efc6d892259bbff4

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:Borland
Create hunting rule
Author:malware-lu
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Generic_Threat_d7b57912
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Comments