MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e0a69eff836709cbefee1079d647d50d55f558e5f8c7bf18a8056361cd5116f3. 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 23 File information Comments

SHA256 hash: e0a69eff836709cbefee1079d647d50d55f558e5f8c7bf18a8056361cd5116f3
SHA3-384 hash: dfd96dcef8c3737f8f1eb121b5405ee527a87868751c8fb08c8ba89770f0f747d65c4dcd35bb8e39686a8d1887d06d81
SHA1 hash: 99086a78e5b794959ddc5ac3d390f34d29695b68
MD5 hash: a96db373f74ba93f1bad982b548b6c7c
humanhash: alabama-carolina-maryland-summer
File name:ZECH_GROUP_SP_PROJECT_ RFQ_SPECIFICATIONS_65438 (2).JS
Download: download sample
Signature RemcosRAT
File size:9'272'413 bytes
First seen:2025-12-16 15:41:11 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:jngxqllUERiv4SO5yDo4iP5v8GwRKbKjE8oQsHDkzwA0rAk0Bv6XS5MXICpee4GM:XoLC2Mi9uqexFVJG82v6v5AP
Threatray 1'928 similar samples on MalwareBazaar
TLSH T17896A631329510B12CA38C5B2E65C1919C27671BE869C42CF3DA31DAB7ADE34CE39E75
Magika javascript
Reporter JAMESWT_WT
Tags:js laboratery-ydns-eu RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
184
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
js
First seen:
2025-12-09T04:19:00Z UTC
Last seen:
2025-12-16T13:34:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Dropper.Script.Generic HEUR:Trojan.Script.Generic
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Base64 Payload Contains Base64 Block Executable PE (Portable Executable) PE File Layout
Threat name:
Script-JS.Trojan.Malgent
Status:
Malicious
First seen:
2025-12-09 18:49:44 UTC
File Type:
Text (JavaScript)
AV detection:
9 of 24 (37.50%)
Threat level:
  5/5
Result
Malware family:
donutloader
Score:
  10/10
Tags:
family:donutloader collection discovery execution loader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
Detects DonutLoader
DonutLoader
Donutloader family
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ClamAV_Emotet_String_Aggregate
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:TeslaCryptPackedMalware
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research

File information


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

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