MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 86b38731fd275a71b1aadb5a19b308869ea4efcdbf6b1fd692f43b93fab30232. 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: 15
| SHA256 hash: | 86b38731fd275a71b1aadb5a19b308869ea4efcdbf6b1fd692f43b93fab30232 |
|---|---|
| SHA3-384 hash: | 0289138bf8a9008ff8e140af938f77206e098c058019b6b8325822951b4c916a05c531ffdc3c8b93a2023be51e1e113a |
| SHA1 hash: | 0a8c0c53c35dd965a2167724b55d6cb52a23448e |
| MD5 hash: | 77bd7eef481f19a072ce785805946fb6 |
| humanhash: | king-sad-angel-quiet |
| File name: | 77bd7eef481f19a072ce785805946fb6.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 94'208 bytes |
| First seen: | 2021-08-24 11:48:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d3a62971944197f0701c7049a9c739d1 (60 x RemcosRAT) |
| ssdeep | 1536:AhhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6+rV:GhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+7 |
| Threatray | 1'961 similar samples on MalwareBazaar |
| TLSH | T16593C713FA4AD0B2E42591F146426F32CEBCBC3736492173D38FCA419D79892D456EAE |
| dhash icon | 989894b49c9494f0 (43 x RemcosRAT) |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
77bd7eef481f19a072ce785805946fb6.exe
Verdict:
Malicious activity
Analysis date:
2021-08-24 11:55:22 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Setting a keyboard event handler
DNS request
Connection attempt
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Backdoor.Rescoms
Status:
Malicious
First seen:
2021-08-24 07:29:02 UTC
AV detection:
26 of 27 (96.30%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'951 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:host persistence rat
Behaviour
Runs ping.exe
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
nan.ydns.eu:2404
Unpacked files
SH256 hash:
86b38731fd275a71b1aadb5a19b308869ea4efcdbf6b1fd692f43b93fab30232
MD5 hash:
77bd7eef481f19a072ce785805946fb6
SHA1 hash:
0a8c0c53c35dd965a2167724b55d6cb52a23448e
Detections:
win_remcos_auto
win_remcos_g0
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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