MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2c90ddcfef9549c107908adb11b7aec93a105779b6844daeb26bbd5c245d605. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash: e2c90ddcfef9549c107908adb11b7aec93a105779b6844daeb26bbd5c245d605
SHA3-384 hash: 81bcdaec56fd6fec976473902440df4dff459f35b560f8446f4987e883f3d83df32791892684ad4deedb181f6aa50d4d
SHA1 hash: 6092c35cd0de721cf7d6f9ac7d5dc4e692c38c4f
MD5 hash: d72bf07573ee99152fcab20d7b34a974
humanhash: double-virginia-crazy-winter
File name:DocumentsDOC03029314B76858448A444B4C03EEC.JS
Download: download sample
Signature RemcosRAT
File size:2'707'436 bytes
First seen:2026-08-27 08:17:15 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 24576:J+UR0Z+hq2aJV0UgCREbUDzN+pzIzfEvbtzy7WRF6T+7:J+ANq2acFVbUDJaWWR4WRFO+7
TLSH T1A4C51B6CA8835B34BFADA15E9B1F4D0CE233325601D06F06F4AE915E1FAD73395588B8
Magika javascript
Reporter abuse_ch
Tags:js RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
126
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Malicious
File Type:
js
First seen:
2026-08-26T01:52:00Z UTC
Last seen:
2026-08-27T01:57:00Z UTC
Hits:
~100
Result
Threat name:
Remcos, DonutLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Detected Remcos RAT
JavaScript file contains suspicious strings
JavaScript source code contains functionality to create an Office document
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DonutLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1964602 Sample: DocumentsDOC03029314B768584... Startdate: 27/08/2026 Architecture: WINDOWS Score: 100 33 www.ambiopharmconsultingltd.com 2->33 35 www.google.com 2->35 37 7 other IPs or domains 2->37 51 Suricata IDS alerts for network traffic 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 8 other signatures 2->57 8 wscript.exe 2->8         started        12 wscript.exe 2->12         started        signatures3 process4 dnsIp5 39 filedn.com 74.120.8.113, 443, 49740 LEMURIACO-LemuriaCommunicationsIncUS United States 8->39 59 JScript performs obfuscated calls to suspicious functions 8->59 61 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->61 14 Onedrive.exe 4 4 8->14         started        19 cmd.exe 1 8->19         started        signatures6 process7 dnsIp8 41 www.ambiopharmconsultingltd.com 209.54.101.171, 2404, 49744, 49745 AS-COLOCROSSING-HostPapaUS United States 14->41 27 C:\Users\user\AppData\...\Login Data.tmp, SQLite 14->27 dropped 29 C:\Users\user\AppData\...\Login Data.tmp, SQLite 14->29 dropped 31 C:\Users\user\...\Login Data For Account.tmp, SQLite 14->31 dropped 43 Detected Remcos RAT 14->43 45 Tries to harvest and steal browser information (history, passwords, etc) 14->45 47 Unusual module load detection (module proxying) 14->47 21 conhost.exe 14->21         started        49 Uses schtasks.exe or at.exe to add and modify task schedules 19->49 23 conhost.exe 19->23         started        25 schtasks.exe 1 19->25         started        file9 signatures10 process11
Gathering data
Result
Malware family:
Score:
  10/10
Tags:
family:donutloader family:remcos botnet:new-crypter execution loader persistence ransomware rat suricata
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
Executes a command shell one-liner
Checks computer location settings
Badlisted process makes network request
Detects DonutLoader
Family: DonutLoader
Family: Remcos
Suricata alert: REMCOS RAT Malware Inbound C2 Communication
Suricata alert: REMCOS RAT Malware Outbound C2 Communication
Malware Config
C2 Extraction:
www.ambiopharmconsultingltd.com:2404
www.ambiopharmconsultingltdbackup.com:2404
www.www.ambiopharmconsultingltdbackup1.com:2404
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: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)

File information


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

Comments