MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 08f15e4acb5af5b3095304fbfd9370d33ea57a561da66bc1239477cdc6530dc3. 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: 11
| SHA256 hash: | 08f15e4acb5af5b3095304fbfd9370d33ea57a561da66bc1239477cdc6530dc3 |
|---|---|
| SHA3-384 hash: | eefa68824baae363b43c8d6222a31c877acf6f502ede759a22496e49f968cc64fcd3c71399c390753fa5a595ccc90c72 |
| SHA1 hash: | 1867031e6a7d7057d7d96cfd4ad99eba14afde1e |
| MD5 hash: | cc6a463987484ace0a9f98e327c85c2b |
| humanhash: | edward-item-oranges-green |
| File name: | z9ERDG51.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 94'208 bytes |
| First seen: | 2020-11-25 06:02:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d3a62971944197f0701c7049a9c739d1 (60 x RemcosRAT) |
| ssdeep | 1536:ohhW0YTGZWdVseJxaM9kraLdV2QkQ1TbPX8IHOCkIsI4ESHNTh9E+JP19qkP6Zrw:uhzYTGWVvJ8f2v1TbPzuMsIFSHNThy+1 |
| Threatray | 1'157 similar samples on MalwareBazaar |
| TLSH | DB93D813FA4AD0B2E42591F146426F32CEBCBC3636492173D38FCA419D79892D456EBE |
| Reporter |  pmelson |
| Tags: | exe Remcos RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for analyzing tools
Creating a file in the Windows 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
Sending a UDP request
Creating a process from a recently created file
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
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.
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
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
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Detected Remcos RAT
Drops executables to the windows directory (C:\Windows) and starts them
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
Sigma detected: Remcos
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
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:
2020-11-25 06:03:05 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'147 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos evasion persistence rat
Behaviour
Runs ping.exe
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Adds Run key to start application
Modifies WinLogon
Deletes itself
Loads dropped DLL
Adds policy Run key to start application
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Modifies WinLogon for persistence
Remcos
Malware Config
C2 Extraction:
185.185.3.40:2404
Unpacked files
SH256 hash:
08f15e4acb5af5b3095304fbfd9370d33ea57a561da66bc1239477cdc6530dc3
MD5 hash:
cc6a463987484ace0a9f98e327c85c2b
SHA1 hash:
1867031e6a7d7057d7d96cfd4ad99eba14afde1e
Detections:
win_remcos_g0
win_remcos_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
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: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
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
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.