MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 415f115399ed11ed0e11ebd468d3082bb1d0771c3c663fed23bd481a18a2898f. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments

SHA256 hash: 415f115399ed11ed0e11ebd468d3082bb1d0771c3c663fed23bd481a18a2898f
SHA3-384 hash: bad7d5c2ddd7ba0acc0b92bb7ce99bdae2f069c612bd3afa145e65360fea1473543a49684abd3f9e03d34ce330aff9b9
SHA1 hash: 1397796dd3d0b2534ffea6317503fa6a183407b7
MD5 hash: e0a517853f4fa033187a58756c1330fa
humanhash: steak-red-mango-kentucky
File name:e0a517853f4fa033187a58756c1330fa.exe
Download: download sample
Signature RemcosRAT
File size:756'052 bytes
First seen:2022-07-26 15:56:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 98f67c550a7da65513e63ffd998f6b2e (21 x SnakeKeylogger, 13 x MassLogger, 11 x CryptOne)
ssdeep 12288:GENN+T5xYrllrU7QY6hsrjeS3UVprYfELtx6uz6s3Q4KsfZV0tS6dq:K5xolYQY6GHeaUVxYVuzB3hZS0aq
TLSH T1A6F48C12FA81D03BE87259B04C39E77ABA78BD311A618C5B73D26F867970102B63571F
TrID 58.8% (.EXE) Win32 Executable Microsoft Visual Basic 6 (82067/2/8)
22.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10523/12/4)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d4a2aa8e8ab270f0 (1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
355
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Setting a keyboard event handler
Setting a global event handler
Creating a file in the %AppData% directory
Setting a single autorun event
Launching the process to create tasks for the scheduler
Enabling autorun
Enabling a "Do not show hidden files" option
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe greyware keylogger overlay shell32.dll
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:
CryptOne, Remcos
Detection:
malicious
Classification:
rans.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
Changes security center settings (notifications, updates, antivirus, firewall)
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 an undocumented autostart registry key
Delayed program exit found
Detected CryptOne packer
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
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
PE file has a writeable .text section
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 673710 Sample: 7qrNClSmv7.exe Startdate: 26/07/2022 Architecture: WINDOWS Score: 100 87 Malicious sample detected (through community Yara rule) 2->87 89 Antivirus detection for dropped file 2->89 91 Antivirus / Scanner detection for submitted sample 2->91 93 12 other signatures 2->93 11 7qrNClSmv7.exe 1 4 2->11         started        15 explorer.exe 2->15         started        17 svchost.exe 2->17         started        19 9 other processes 2->19 process3 dnsIp4 69 C:\Users\user\Desktop\7qrnclsmv7.exe, PE32 11->69 dropped 71 C:\Users\user\AppData\Local\icsys.icn.exe, PE32 11->71 dropped 121 Installs a global keyboard hook 11->121 22 icsys.icn.exe 3 11->22         started        26 7qrnclsmv7.exe 2 11->26         started        123 Changes security center settings (notifications, updates, antivirus, firewall) 17->123 77 127.0.0.1 unknown unknown 19->77 file5 signatures6 process7 dnsIp8 65 C:\Windows\System\explorer.exe, PE32 22->65 dropped 103 Antivirus detection for dropped file 22->103 105 Machine Learning detection for dropped file 22->105 107 Drops executables to the windows directory (C:\Windows) and starts them 22->107 109 2 other signatures 22->109 29 explorer.exe 3 20 22->29         started        79 172.111.234.100, 5888 SOFTLAYERUS United States 26->79 file9 signatures10 process11 dnsIp12 81 vccmd01.zxq.net 51.81.194.202, 443, 49762, 49764 OVHFR United States 29->81 83 zxq.net 29->83 85 6 other IPs or domains 29->85 73 C:\Windows\System\spoolsv.exe, PE32 29->73 dropped 75 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 29->75 dropped 125 Antivirus detection for dropped file 29->125 127 System process connects to network (likely due to code injection or exploit) 29->127 129 Creates an undocumented autostart registry key 29->129 131 3 other signatures 29->131 34 spoolsv.exe 2 29->34         started        file13 signatures14 process15 file16 63 C:\Windows\System\svchost.exe, PE32 34->63 dropped 95 Antivirus detection for dropped file 34->95 97 Machine Learning detection for dropped file 34->97 99 Drops executables to the windows directory (C:\Windows) and starts them 34->99 101 2 other signatures 34->101 38 svchost.exe 3 4 34->38         started        signatures17 process18 file19 67 C:\Users\user\AppData\Local\stsys.exe, PE32 38->67 dropped 111 Antivirus detection for dropped file 38->111 113 Detected CryptOne packer 38->113 115 Machine Learning detection for dropped file 38->115 117 3 other signatures 38->117 42 spoolsv.exe 1 38->42         started        45 at.exe 1 38->45         started        47 at.exe 1 38->47         started        49 15 other processes 38->49 signatures20 process21 signatures22 119 Installs a global keyboard hook 42->119 51 conhost.exe 45->51         started        53 conhost.exe 47->53         started        55 conhost.exe 49->55         started        57 conhost.exe 49->57         started        59 conhost.exe 49->59         started        61 11 other processes 49->61 process23
Threat name:
Win32.Trojan.Swisyn
Status:
Malicious
First seen:
2022-07-26 15:57:11 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost evasion persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Installed Components in the registry
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
Remcos
Malware Config
C2 Extraction:
172.111.234.100:5888
Unpacked files
SH256 hash:
25be63435690115f2070ef579590c254b23c92edcf7f4dff72f80e763dcc7670
MD5 hash:
c61ccbfdf3d667d579cbea6712bc1d25
SHA1 hash:
a7ea29160e0d8209098139e36558af0163305bb6
Detections:
win_remcos_auto
SH256 hash:
415f115399ed11ed0e11ebd468d3082bb1d0771c3c663fed23bd481a18a2898f
MD5 hash:
e0a517853f4fa033187a58756c1330fa
SHA1 hash:
1397796dd3d0b2534ffea6317503fa6a183407b7
Detections:
win_remcos_auto
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
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
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

RemcosRAT

Executable exe 415f115399ed11ed0e11ebd468d3082bb1d0771c3c663fed23bd481a18a2898f

(this sample)

  
Delivery method
Distributed via web download

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