MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6a7bc63173aa9d0395bdfb47d09b97d5304856e3a856ef8231dc25341d99793. 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 11 File information Comments
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SHA256 hash: a6a7bc63173aa9d0395bdfb47d09b97d5304856e3a856ef8231dc25341d99793
SHA3-384 hash: 5462bb0345bba9d128b1beeea5c3da48d84a90c81ecb9415fbc7e28cc57105d2395463088892f12046d7ba5a6f25eadf
SHA1 hash: 77c5cc8d41d9d5a0c63f589d6871483231898bf9
MD5 hash: 5427065fce58af08257a20d45b5ec1e6
humanhash: mike-river-muppet-diet
File name:Turbo Charger Overhaul Job – TCA66_XLS.JS
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:17'676'017 bytes
First seen:2025-06-14 13:17:51 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 1536:jTCh2ZNqQ1NQAP8asw6B2YZN5fBb0PuadhuQu:TZNqQ1NQ9amB2+b0PuchuQu
Threatray 328 similar samples on MalwareBazaar
TLSH T13207B65B3DF15499219419E1EF134DF90E39EA75CCAE2C8CFBC5D24C2A1C672A08B96C
Magika javascript
Reporter abuse_ch
Tags:js RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
400
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684d76e18bd5d68a12e89d43
Tags:
autorun delphi emotet
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a6a7bc63173aa9d0395bdfb47d09b97d5304856e3a856ef8231dc25341d99793
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1714459
Signature
Allocates many large memory junks
Allocates memory in foreign processes
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
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Drops PE files to the user root directory
Drops PE files with a suspicious file extension
Found malware configuration
Installs a global keyboard hook
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)
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Uses dynamic DNS services
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1714459 Sample: Turbo Charger Overhaul Job ... Startdate: 14/06/2025 Architecture: WINDOWS Score: 100 57 talkabt.duckdns.org 2->57 59 maxpressure.duckdns.org 2->59 61 3 other IPs or domains 2->61 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Multi AV Scanner detection for submitted file 2->77 81 10 other signatures 2->81 9 wscript.exe 1 2 2->9         started        12 rundll32.exe 3 2->12         started        signatures3 79 Uses dynamic DNS services 59->79 process4 signatures5 93 Windows Scripting host queries suspicious COM object (likely to drop second stage) 9->93 14 HEO.PIF 9 9->14         started        18 Frnlxaoa.PIF 12->18         started        process6 file7 53 C:\Users\user\Links\aoaxlnrF.pif, PE32 14->53 dropped 55 C:\Users\user\Links\Frnlxaoa.PIF, PE32 14->55 dropped 95 Drops PE files with a suspicious file extension 14->95 97 Writes to foreign memory regions 14->97 99 Allocates memory in foreign processes 14->99 101 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 14->101 20 aoaxlnrF.pif 4 2 14->20         started        25 cmd.exe 1 14->25         started        27 cmd.exe 1 14->27         started        29 cmd.exe 1 14->29         started        103 Sample uses process hollowing technique 18->103 105 Allocates many large memory junks 18->105 31 aoaxlnrF.pif 18->31         started        signatures8 process9 dnsIp10 63 maxpressure.duckdns.org 169.150.226.162, 6520 SPIRITTEL-ASUS United States 20->63 65 maxmusttry.duckdns.org 194.59.31.87, 6220 COMBAHTONcombahtonGmbHDE Germany 20->65 51 C:\ProgramData\remcos\logs.dat, data 20->51 dropped 83 Contains functionality to bypass UAC (CMSTPLUA) 20->83 85 Detected unpacking (changes PE section rights) 20->85 87 Detected Remcos RAT 20->87 91 6 other signatures 20->91 89 Uses schtasks.exe or at.exe to add and modify task schedules 25->89 33 esentutl.exe 2 25->33         started        37 conhost.exe 25->37         started        39 alpha.pif 2 25->39         started        41 alpha.pif 2 25->41         started        43 conhost.exe 27->43         started        45 schtasks.exe 1 27->45         started        47 conhost.exe 29->47         started        file11 signatures12 process13 file14 49 C:\Users\Public\alpha.pif, PE32 33->49 dropped 67 Drops PE files to the user root directory 33->67 69 Drops PE files with a suspicious file extension 33->69 71 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 33->71 signatures15
Score:
88%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/a6a7bc63173aa9d0395bdfb47d09b97d5304856e3a856ef8231dc25341d99793
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a6a7bc63173aa9d0395bdfb47d09b97d5304856e3a856ef8231dc25341d99793/
Threat name:
Script-JS.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-06-14 09:47:02 UTC
File Type:
Text (JavaScript)
AV detection:
6 of 23 (26.09%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u2t3yyyxhku5aok3362h2cnzpvjqjblohkcw56bddxbfgqozs6jq._file
Verdict:
malicious
Label(s):
dbatloader
Create hunting rule
Similar samples:
126720a69055ef6ac6f3a14dd79838fc3684e9b77ee41736dc45e2a5c9065321
RemcosRAT
210487ffeafb67e2857c11ec72476e09a4a9eb901760719b76c484b9666dafa2
RemcosRAT
247d6d1179ccbf509dc97a8cc40533f386c90104be00aae10629f2ad962a50a6
RemcosRAT
27556cd8c9966eb45852c7a5086899716580db76fd82a7ec828915280466c317
RemcosRAT
506ecb76cf8e39743ec06129d81873f0e4c1ebfe7a352fc5874d0fc60cc1d7c6
RemcosRAT
7fe93bf40769f5eb8f536b9c1c2d679d9ac0509d7424b1c2d6cb981d8b9da07e
RemcosRAT
91c7aea926f4e2f8ddbdd4a25a19442540d43ff9499b71535f2521224549aa17
RemcosRAT
a6e3b57c5e5f02df28cf5ebde170dac4b93533f6f5c3e33d223e95cd2e236bff
RemcosRAT
c39f34c2541a3b808efabac95b5f7182b38f1f5a49cfc1037d53a89c527ed376
RemcosRAT
dea1bc8fdb17a134d92f4a0197314eb4f1c792dee72f8a7dd7eaf48d0a0a5e9b
RemcosRAT
error
RemcosRAT
+ 318 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader collection discovery execution trojan
Link:
https://tria.ge/reports/250614-qkb5mayjx8/
Behaviour
Runs ping.exe
Scheduled Task/Job: Scheduled Task
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
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Executes dropped EXE
Detected Nirsoft tools
ModiLoader Second Stage
NirSoft MailPassView
ModiLoader, DBatLoader
Modiloader family
Malware family:
MailPassView
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a6a7bc63173a/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/a6a7bc63173aa9d0395bdfb47d09b97d5304856e3a856ef8231dc25341d99793

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: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: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

File information

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

Comments