MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 66eb53699937b049b917bbcfa13b9b5d2f8449753dcbbf9e35405a766cdc9a70. 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
| SHA256 hash: | 66eb53699937b049b917bbcfa13b9b5d2f8449753dcbbf9e35405a766cdc9a70 |
|---|---|
| SHA3-384 hash: | 54e5261dd81c071df8d336bc1bc4264f1532c077216611518c8faec2ab91815954a11fd18822912f737749560b8876f0 |
| SHA1 hash: | d71b3e5df3f39061abfbb5c49fe82d4a7b5a2db1 |
| MD5 hash: | 528944ece6de7d9b613e070936c1726d |
| humanhash: | timing-massachusetts-equal-alaska |
| File name: | Quotation_11-02-2021_WSBDJ.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'215'120 bytes |
| First seen: | 2021-02-11 14:54:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e2edf81d429a9543fd026c4b77e6123e (5 x RemcosRAT) |
| ssdeep | 12288:IEQ1uIWzkt466R0mX+kXU9J1dEtO5ETOf9QX+:IxXt46gOkXgrm0HFm+ |
| Threatray | 1'571 similar samples on MalwareBazaar |
| TLSH | 3B45C4B2BD0E4EA2F05B257ECC4BD6780466BC88790C445AAFE0BB4BDAB3344715517B |
| Reporter |  James_inthe_box |
| Tags: | exe RemcosRAT signed |
Code Signing Certificate
| Organisation: | MEDIATEK INC. |
|---|---|
| Issuer: | VeriSign Class 3 Code Signing 2010 CA |
| Algorithm: | sha1WithRSAEncryption |
| Valid from: | 2014-05-26T00:00:00Z |
| Valid to: | 2017-06-24T23:59:59Z |
| Serial number: | 56f008e69a7c4c3feb389c66eaf58259 |
| Intelligence: | 16 malware samples on MalwareBazaar are signed with this code signing certificate |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 322be21fe24713b9a5455f96f109c0621bea49279f498619759c48a1185ddee2 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation_11-02-2021_WSBDJ.exe
Verdict:
Malicious activity
Analysis date:
2021-02-11 14:57:38 UTC
Tags:
installer trojan rat remcos keylogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Replacing files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Result
Verdict:
UNKNOWN
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:
rans.troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture and log keystrokes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates multiple autostart registry keys
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: MS Office Product Spawning Exe in User Dir
Sigma detected: Suspicious Program Location Process Starts
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.BestaFera
Status:
Malicious
First seen:
2021-02-11 12:46:36 UTC
File Type:
PE (Exe)
Extracted files:
77
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'561 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
103.114.106.35:20987
Unpacked files
SH256 hash:
d2f876d808e77cfce00ded4bfc541671c500f0ea9ea873c04333c554ea54a791
MD5 hash:
e561fb27b26e5d960fd61580e5fb35bd
SHA1 hash:
5df94fbbf001b70e2f20f4a3101de45d321016e5
SH256 hash:
66eb53699937b049b917bbcfa13b9b5d2f8449753dcbbf9e35405a766cdc9a70
MD5 hash:
528944ece6de7d9b613e070936c1726d
SHA1 hash:
d71b3e5df3f39061abfbb5c49fe82d4a7b5a2db1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Farheyt
Score:
0.80
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: | ach_RemcosRAT |
|---|---|
| Author: | abuse.ch |
| Rule name: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Parallax |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Parallax RAT. |
| 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.
Delivery method
Other
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