MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5846f8d9e5caeb811b302cf2742e0747b436d891d4803d8ea9f98e6e8125a94a. 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


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 5846f8d9e5caeb811b302cf2742e0747b436d891d4803d8ea9f98e6e8125a94a
SHA3-384 hash: ea4f8a64ec8d0729b881d6b447d7c1e83906d6a3464f979116b4569edfe37d9ba509149bfe4f1d2f1ab96c82947cc707
SHA1 hash: aa33ff0c9b3c6d894e2070b3ef049db14c58adda
MD5 hash: 7d3c6e0dc9276cbe01540ea5f86c333b
humanhash: lion-violet-connecticut-winter
File name:SecuriteInfo.com.W32.DelfInject.EJ.genEldorado.27793.30115
Download: download sample
Signature RemcosRAT
File size:910'336 bytes
First seen:2022-06-04 09:33:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3e48bf6577602f80c1272235d4172ce0 (2 x RemcosRAT)
ssdeep 12288:zDzHKiH6ZK7o81KuTXiBRkjK7mcxyq/DU0dg99iaA5bX3+oTHQ:zfqbi/KuTSBRkjDiyq/YkN9H+M
TLSH T1E9156C25E391D4F7D33A05389D57266A2E2ABD10EE58184D3AEC6F1C2E342416C2BDF7
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 74e4d4d4ecf4d4d4 (23 x GuLoader, 20 x LummaStealer, 19 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
469
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SecuriteInfo.com.W32.DelfInject.EJ.genEldorado.27793.30115
Verdict:
Malicious activity
Analysis date:
2022-06-04 09:37:04 UTC
Tags:
trojan rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending an HTTP GET request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching the process to interact with network services
Launching a process
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
banload control.exe keylogger remote.exe replace.exe wacatac
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 a thread in another existing process (thread injection)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 639107 Sample: SecuriteInfo.com.W32.DelfIn... Startdate: 04/06/2022 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 6 other signatures 2->49 8 SecuriteInfo.com.W32.DelfInject.EJ.genEldorado.27793.exe 1 21 2->8         started        13 Tudqumcqom.exe 13 2->13         started        15 Tudqumcqom.exe 14 2->15         started        process3 dnsIp4 41 enapa.org.br 142.44.216.172, 49725, 49731, 49747 OVHFR Canada 8->41 33 C:\Users\Public\Libraries\Tudqumcqom.exe, PE32 8->33 dropped 35 C:\Users\...\Tudqumcqom.exe:Zone.Identifier, ASCII 8->35 dropped 57 Writes to foreign memory regions 8->57 59 Creates a thread in another existing process (thread injection) 8->59 61 Injects a PE file into a foreign processes 8->61 17 DpiScaling.exe 2 8->17         started        21 cmd.exe 1 8->21         started        63 Multi AV Scanner detection for dropped file 13->63 65 Allocates memory in foreign processes 13->65 23 logagent.exe 13->23         started        25 DpiScaling.exe 15->25         started        file5 signatures6 process7 dnsIp8 37 microsoft-updatetool.duckdns.org 184.164.77.132, 49155, 49746 IOFLOODUS United States 17->37 39 192.168.2.1 unknown unknown 17->39 51 Contains functionality to steal Chrome passwords or cookies 17->51 53 Contains functionality to inject code into remote processes 17->53 55 Contains functionality to steal Firefox passwords or cookies 17->55 27 cmd.exe 1 21->27         started        29 conhost.exe 21->29         started        signatures9 process10 process11 31 conhost.exe 27->31         started       
Threat name:
Win32.Trojan.Woreflint
Status:
Malicious
First seen:
2022-06-04 05:47:40 UTC
File Type:
PE (Exe)
Extracted files:
76
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:23456 persistence rat suricata trojan
Behaviour
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
Malware Config
C2 Extraction:
microsoft-updatetool.duckdns.org:49155
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
SH256 hash:
5846f8d9e5caeb811b302cf2742e0747b436d891d4803d8ea9f98e6e8125a94a
MD5 hash:
7d3c6e0dc9276cbe01540ea5f86c333b
SHA1 hash:
aa33ff0c9b3c6d894e2070b3ef049db14c58adda
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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:Detects win.remcos.

File information


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

Comments