MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3576bbb2c1a3343f88610d3c039e75197015117d3516de36c09f638f6f2a85c. 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: 16


Intelligence 16 IOCs YARA 12 File information Comments
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SHA256 hash: f3576bbb2c1a3343f88610d3c039e75197015117d3516de36c09f638f6f2a85c
SHA3-384 hash: 9d82309556af3e86cecf2f46cf825301a9de2a59ddcd6ace73e4155d1dc1db708ea9e9028150e95ad920e14aa7d90b9e
SHA1 hash: 8f2085d21be660ec40eceb496053fb8390497dd4
MD5 hash: 7bf88cef73ca9069380e626e99d0bf5e
humanhash: delta-west-tennis-hawaii
File name:IMAGESCANDOCUMENTSFILES001201020.bat.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'007'104 bytes
First seen:2023-06-28 13:23:52 UTC
Last seen:2023-06-28 13:33:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b2ffe640086070c19351a52301f6fb90 (2 x ModiLoader, 2 x Formbook, 1 x RemcosRAT)
ssdeep 12288:zWI+n1cF0p4WhPQbXfu/i7Nx29T1CWaXqIov5n0fc8MMvdgV25wqYyEyHcsbOonD:z28tWhPKXf9PvXqgfvcQrEyHFbOwe
Threatray 5 similar samples on MalwareBazaar
TLSH T1D825BF5775D0C4BBCD7266798C8B9AB4BC253E243A38B801FAD43E1C6FB525538192B3
TrID 86.8% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.3% (.SCR) Windows screen saver (13097/50/3)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 70f8ecdac6e6c0d0 (4 x Formbook, 3 x ModiLoader, 2 x RemcosRAT)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
309
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMAGESCANDOCUMENTSFILES001201020.bat.exe
Verdict:
Malicious activity
Analysis date:
2023-06-28 13:25:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ef1e4c30-5a65-46f3-8224-f7900af616a0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/403460/
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.10021.31663.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
DNS request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/93980/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control keylogger lolbin masquerade packed remcos remote
Link:
https://www.filescan.io/uploads/649c3473313e9da61a5bc22f/reports/98e27646-57a5-48e2-9e2f-040ac8fbde2f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f3576bbb2c1a3343f88610d3c039e75197015117d3516de36c09f638f6f2a85c
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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/263ae905-c812-45a7-9267-c25e11be67f0
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1262652
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Suspicious powershell command line found
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 895682 Sample: IMAGESCANDOCUMENTSFILES0012... Startdate: 28/06/2023 Architecture: WINDOWS Score: 100 82 Snort IDS alert for network traffic 2->82 84 Multi AV Scanner detection for domain / URL 2->84 86 Found malware configuration 2->86 88 12 other signatures 2->88 10 IMAGESCANDOCUMENTSFILES001201020.bat.exe 1 7 2->10         started        15 Qvatuhbo.bat 2->15         started        17 Qvatuhbo.bat 2->17         started        process3 dnsIp4 68 zq86xa.am.files.1drv.com 10->68 70 web.fe.1drv.com 10->70 76 2 other IPs or domains 10->76 56 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->56 dropped 58 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->58 dropped 60 C:\Users\Public\Libraries\Qvatuhbo.bat, PE32 10->60 dropped 102 Writes to foreign memory regions 10->102 104 Allocates memory in foreign processes 10->104 106 Creates a thread in another existing process (thread injection) 10->106 19 cmd.exe 3 10->19         started        22 logagent.exe 10->22         started        72 zq86xa.am.files.1drv.com 15->72 78 3 other IPs or domains 15->78 108 Injects a PE file into a foreign processes 15->108 26 colorcpl.exe 15->26         started        74 zq86xa.am.files.1drv.com 17->74 80 3 other IPs or domains 17->80 110 Multi AV Scanner detection for dropped file 17->110 112 Machine Learning detection for dropped file 17->112 28 logagent.exe 17->28         started        file5 signatures6 process7 dnsIp8 90 Uses ping.exe to sleep 19->90 92 Drops executables to the windows directory (C:\Windows) and starts them 19->92 94 Uses ping.exe to check the status of other devices and networks 19->94 30 easinvoker.exe 19->30         started        32 PING.EXE 1 19->32         started        35 xcopy.exe 2 19->35         started        38 6 other processes 19->38 64 www.supremeswitchgear.com 193.23.3.15, 32676, 49702 HOSTSLIM-GLOBAL-NETWORKNL unknown 22->64 66 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 22->66 54 C:\ProgramData\remcos\logs.dat, data 22->54 dropped file9 signatures10 process11 dnsIp12 40 cmd.exe 1 30->40         started        62 127.0.0.1 unknown unknown 32->62 50 C:\Windows \System32\easinvoker.exe, PE32+ 35->50 dropped 52 C:\Windows \System32\netutils.dll, PE32+ 38->52 dropped file13 process14 signatures15 96 Suspicious powershell command line found 40->96 98 Adds a directory exclusion to Windows Defender 40->98 43 powershell.exe 21 40->43         started        46 conhost.exe 40->46         started        process16 signatures17 100 DLL side loading technique detected 43->100 48 conhost.exe 43->48         started        process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f3576bbb2c1a3343f88610d3c039e75197015117d3516de36c09f638f6f2a85c/
Threat name:
Win32.Spyware.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-06-26 06:41:42 UTC
File Type:
PE (Exe)
Extracted files:
87
AV detection:
27 of 37 (72.97%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6nlwxozmdizuh6egcdj4aophkglqcuix2niw3y3mbh3dr5xsvboa._file
Verdict:
malicious
Similar samples:
1c24ed06a4d38c863c4016a0489f66934b9167269b958a17dcdbb6ecae3baf18
RemcosRAT
2428edc21053b6ffb0f16f3008b5060c25f9ba1f1455d88d954df66494e57c6b
RemcosRAT
900390a8f50e7b8996683d25a591af57297de4b4727cdc83d425c7b010b97ab3
RemcosRAT
904c33cddf1d9930deaafe80395988a6b61f4acd79e8e29058a6dc00a3de851b
RemcosRAT
bc1639de9b817b9d369cae27aa956d74339e106bff317c9c1c2bca4310fd1403
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost persistence rat trojan
Link:
https://tria.ge/reports/230628-qncwbsae8v/
Behaviour
Enumerates system info in registry
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
www.supremeswitchgear.com:32676
Unpacked files
SH256 hash:
4b9e5e8dd09c978a792f221f56c4fbc79c0e78c8737342b4d222f969d3cb92ce
MD5 hash:
a734c602cd0115c06de10d39075abec0
SHA1 hash:
1dba51334665f2d0ab6d5be42f8f6f2f844145f2
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/1fbafd54-6430-44fa-bbb1-3b8995654b5a/
SH256 hash:
f3576bbb2c1a3343f88610d3c039e75197015117d3516de36c09f638f6f2a85c
MD5 hash:
7bf88cef73ca9069380e626e99d0bf5e
SHA1 hash:
8f2085d21be660ec40eceb496053fb8390497dd4
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/1fbafd54-6430-44fa-bbb1-3b8995654b5a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f3576bbb2c1a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f3576bbb2c1a3343f88610d3c039e75197015117d3516de36c09f638f6f2a85c

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:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/403460/

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