MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd4965c3df36016318a4c1533f5d68f42a11eefb3b455fbed9a9b62b2d183889. 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: 8


Intelligence 8 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd4965c3df36016318a4c1533f5d68f42a11eefb3b455fbed9a9b62b2d183889
SHA3-384 hash: 2ef22dd9eb3634e132d602dd9a9dd94eb268982d9cfe4e77a4e5f2325514dfbb879e02ba19b5f67b0917f98bf74db456
SHA1 hash: 8ca55959efca260c17f6dff6ca90e310dcc87b6c
MD5 hash: 1383949642dbe543036653706a05947c
humanhash: tango-spaghetti-pluto-jersey
File name:1383949642dbe543036653706a05947c.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:13'880 bytes
First seen:2021-02-19 08:20:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 192:D8WI7IhSSLdE3r7q65vOMkMTTr5ioLih1Kc8lD363v/nEyEUBZHkvSf:QItZMr7q65vOsTTF3O198lDq3vsp+hD
Threatray 1'624 similar samples on MalwareBazaar
TLSH 5D525B61BFD41913EC6BFE317A9586065B75B381DA12CA6F15D8C0004F573822A7997C
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/117939/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Adding an access-denied ACE
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Sending a UDP request
Deleting a recently created file
Creating a file
DNS request
Reading critical registry keys
Unauthorized injection to a recently created process
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
Sending a TCP request to an infection source
Stealing user critical data
Sending an HTTP GET request to an infection source
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
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/612451
Signature
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Found malware configuration
Hides threads from debuggers
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: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 355238 Sample: ie54ANWYUV.exe Startdate: 19/02/2021 Architecture: WINDOWS Score: 100 94 Found malware configuration 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 Multi AV Scanner detection for submitted file 2->98 100 7 other signatures 2->100 11 ie54ANWYUV.exe 15 3 2->11         started        15 win.exe 2->15         started        17 win.exe 2->17         started        process3 dnsIp4 92 192.236.147.189, 49720, 49729, 49734 HOSTWINDSUS United States 11->92 116 Contains functionality to steal Chrome passwords or cookies 11->116 118 Contains functionality to capture and log keystrokes 11->118 120 Contains functionality to inject code into remote processes 11->120 122 Contains functionality to steal Firefox passwords or cookies 11->122 19 ie54ANWYUV.exe 4 4 11->19         started        22 WerFault.exe 23 9 11->22         started        24 cmd.exe 1 11->24         started        124 Hides threads from debuggers 15->124 26 WerFault.exe 15->26         started        28 cmd.exe 15->28         started        30 win.exe 15->30         started        32 cmd.exe 17->32         started        34 win.exe 17->34         started        signatures5 process6 file7 78 C:\Users\user\AppData\Roaming\win.exe, PE32 19->78 dropped 80 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 19->80 dropped 36 wscript.exe 1 19->36         started        82 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 22->82 dropped 39 conhost.exe 24->39         started        41 timeout.exe 1 24->41         started        84 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 26->84 dropped 43 conhost.exe 28->43         started        45 timeout.exe 28->45         started        47 conhost.exe 32->47         started        49 timeout.exe 32->49         started        process8 dnsIp9 88 192.168.2.1 unknown unknown 36->88 51 cmd.exe 1 36->51         started        process10 process11 53 win.exe 14 3 51->53         started        56 conhost.exe 51->56         started        signatures12 106 Multi AV Scanner detection for dropped file 53->106 108 Detected unpacking (creates a PE file in dynamic memory) 53->108 110 Machine Learning detection for dropped file 53->110 112 5 other signatures 53->112 58 win.exe 53->58         started        62 WerFault.exe 53->62         started        65 cmd.exe 53->65         started        process13 dnsIp14 90 hsyuwbvxczbansmloiujdhsbnbcgywqauaghxvz.ydns.eu 192.253.246.137, 2009, 49737, 49741 LEASEWEB-USA-NYC-11US United States 58->90 114 Injects a PE file into a foreign processes 58->114 67 win.exe 58->67         started        70 win.exe 58->70         started        72 win.exe 58->72         started        86 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 62->86 dropped 74 conhost.exe 65->74         started        76 timeout.exe 65->76         started        file15 signatures16 process17 signatures18 102 Tries to harvest and steal browser information (history, passwords, etc) 67->102 104 Tries to steal Instant Messenger accounts or passwords 70->104
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bd4965c3df36016318a4c1533f5d68f42a11eefb3b455fbed9a9b62b2d183889/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xvewlq67gyawggfeyfjt6xli6qvbd3x3hncv7pwzvg3cwliyhceq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11b16ba733f2f4f10ac58021eecaf5668551a73e2a1acfae99745c50bfccbb44
RemcosRAT
346c5380b5669b73b9fc43a1a17c31ea17985488e9ea947d93a1c6858ebab5e1
RemcosRAT
5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555
RemcosRAT
5e31a4916e479c18347d59e0a98dc12738efb5acbad3ba3e677fb24fd87e7adc
RemcosRAT
a66b740c103035f94d2d78140ead520be0e9ee0c218ab7dc17ebb3cfa2ea4f86
RemcosRAT
b53dd0324062e8b606ed06d7380138592c98e939dc67e8d2e0a5d646432582c3
RemcosRAT
c032e316eefbacca4b3ddfe7fc2ee9ac5f86daea767232d2322f7fdfe4b18993
RemcosRAT
c14895a7d0ca2633b565af7c08e77aef32397f4fdc78fd3560d2f23d89aa6d6a
RemcosRAT
c71eac19ad546b1d4e4ed84966072f03236e6d0ed99e6ce94bc19df2bac3b0e1
RemcosRAT
f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
RemcosRAT
+ 1'614 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat spyware
Link:
https://tria.ge/reports/210219-572cddblys/
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
hsyuwbvxczbansmloiujdhsbnbcgywqauaghxvz.ydns.eu:2009
Unpacked files
SH256 hash:
bd4965c3df36016318a4c1533f5d68f42a11eefb3b455fbed9a9b62b2d183889
MD5 hash:
1383949642dbe543036653706a05947c
SHA1 hash:
8ca55959efca260c17f6dff6ca90e310dcc87b6c
Link:
https://www.unpac.me/results/846e31b6-f97c-4375-9b29-ff4932886066/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bd4965c3df36016318a4c1533f5d68f42a11eefb3b455fbed9a9b62b2d183889

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
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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

RemcosRAT

Executable exe bd4965c3df36016318a4c1533f5d68f42a11eefb3b455fbed9a9b62b2d183889

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/117939/
  
URLhaus
https://urlhaus.abuse.ch/url/995738/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1017116/

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