MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e0cb91e34369e9a45805e6bef50f10337f2aa648d0f112555802e0de1aababdc. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e0cb91e34369e9a45805e6bef50f10337f2aa648d0f112555802e0de1aababdc
SHA3-384 hash: a609ec349efd00d02a8d36df15d7008942af3d37c08195b24747d3d46be32d896f9046cff57b16903b3d930ec7ef301d
SHA1 hash: 69c1bed6116500da15f9b56eb37ff2de0ec48367
MD5 hash: b841d7236145a3e25cc3a147a2b35a21
humanhash: emma-tennis-texas-ohio
File name:b841d7236145a3e25cc3a147a2b35a21.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:3'729'920 bytes
First seen:2021-02-10 07:24:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 3072:AAI3isjkGkak1kUkOkkkIkznzySgw2IQmkQkFkryk7MHmJNUHBoiq+qXE68U4n++:H
Threatray 33 similar samples on MalwareBazaar
TLSH BB061B096FBB076CFCA7D14FE0A5282B1E32A219E05DF3247DA6231CBA474501F5BD96
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
tanjiim19713.sytes.net:2009

Intelligence

File Origin
# of uploads :
1
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b841d7236145a3e25cc3a147a2b35a21.exe
Verdict:
Malicious activity
Analysis date:
2021-02-10 07:33:33 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/37184529-1154-49ba-970b-6ccf3b470c42

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/116389/
Detection(s):
SecuriteInfo.com.ArtemisB841D7236145.32623.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Sending a UDP request
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
Creating a file
Creating a process from a recently created file
Creating a window
Deleting a recently created file
DNS request
Connecting to a non-recommended domain
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
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
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/603979
Signature
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)
Delayed program exit found
Detected Remcos RAT
Hides threads from debuggers
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 350989 Sample: v1hBv6A71M.exe Startdate: 10/02/2021 Architecture: WINDOWS Score: 100 83 Malicious sample detected (through community Yara rule) 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 Detected Remcos RAT 2->87 89 3 other signatures 2->89 11 v1hBv6A71M.exe 3 2->11         started        14 file.exe 2->14         started        16 file.exe 3 2->16         started        process3 signatures4 91 Contains functionality to steal Chrome passwords or cookies 11->91 93 Contains functionality to capture and log keystrokes 11->93 95 Contains functionality to inject code into remote processes 11->95 101 2 other signatures 11->101 18 v1hBv6A71M.exe 4 4 11->18         started        21 WerFault.exe 23 9 11->21         started        23 cmd.exe 1 11->23         started        97 Hides threads from debuggers 14->97 99 Injects a PE file into a foreign processes 14->99 25 cmd.exe 14->25         started        27 cmd.exe 16->27         started        29 file.exe 16->29         started        32 WerFault.exe 16->32         started        process5 dnsIp6 65 C:\Users\user\AppData\Roaming\file.exe, PE32 18->65 dropped 67 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 18->67 dropped 34 wscript.exe 1 18->34         started        69 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 21->69 dropped 36 conhost.exe 23->36         started        38 timeout.exe 1 23->38         started        40 conhost.exe 25->40         started        42 conhost.exe 27->42         started        44 timeout.exe 27->44         started        71 tanjiim19713.sytes.net 84.38.133.24, 2009, 49728 DATACLUB-NL Latvia 29->71 73 192.168.2.1 unknown unknown 32->73 file7 process8 process9 46 cmd.exe 1 34->46         started        process10 48 file.exe 3 46->48         started        51 conhost.exe 46->51         started        signatures11 75 Multi AV Scanner detection for dropped file 48->75 77 Hides threads from debuggers 48->77 79 Injects a PE file into a foreign processes 48->79 81 Contains functionality to hide a thread from the debugger 48->81 53 cmd.exe 48->53         started        55 file.exe 48->55         started        57 file.exe 48->57         started        59 WerFault.exe 48->59         started        process12 process13 61 conhost.exe 53->61         started        63 timeout.exe 53->63         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e0cb91e34369e9a45805e6bef50f10337f2aa648d0f112555802e0de1aababdc/
Threat name:
ByteCode-MSIL.Trojan.Malrep
Create hunting rule
Status:
Malicious
First seen:
2021-02-08 16:29:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4dfzdy2dnhu2iwaf427pkdyqgn7svjsi2dyrevkyalqn4gvlvpoa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0aae2bace47fd4233b42b2ee714d5f46a05fc2970928131c28573d9fbd876552
RemcosRAT
33b25ae8a09b3249f6f5a9971d563933e88d20dca6f2b761c308783e164de492
RemcosRAT
357ab6a0cf97d36af99606bce098c476c4a24085f4d972038b11b3570486d620
RemcosRAT
719bb30fb8ff3d79fd0216bdbc9f9d1b377c1456a20c8d9a26f1a19e283352ba
RemcosRAT
cacfd3f384737f85e02f8c4dfad0689a71b228c8b930995c24da43582f688a64
RemcosRAT
e759db35e2aa047d055ca4d5d089da667aaa39d443a35601784090382f0d1e2a
RemcosRAT
e9b069d8601f3c5af52496366ce5921ad0a5938c1f25e18602355027c26ed631
RemcosRAT
eddb00e96bcae82158333e9c0a0e0e1cf8002af1f6287fe8a99f5e3d619af2fb
RemcosRAT
f5b21be44a7076a4414adf52f6bae43d0dfbcd460bc35921e5ea81549ea16f4a
RemcosRAT
fcd247261215a170a1644a7abd0c4003b21a81fb0dbdf928831351905e31388a
RemcosRAT
+ 23 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence ransomware rat
Link:
https://tria.ge/reports/210210-rdfzqzerba/
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
Program crash
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Unpacked files
SH256 hash:
1af8e8d98a3378e458d903599b7f9251e1d91df8e8ec1b6317c249c684224b8f
MD5 hash:
5fa1c25fe2359506d90c981975133005
SHA1 hash:
8fb2f1883f61269b7271119863da5208ad8f959a
Link:
https://www.unpac.me/results/83ba5fc5-777b-4598-a3f6-cfba90b1abec/
SH256 hash:
f706cbac88801990ec8aef942d54890be1910d633fc902da417882a5a1af0479
MD5 hash:
13b79be7c513f74df7e20f3fb95d5c81
SHA1 hash:
a690e9fb88274124e5e32e6d0b984fe98178804a
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/83ba5fc5-777b-4598-a3f6-cfba90b1abec/
SH256 hash:
e0cb91e34369e9a45805e6bef50f10337f2aa648d0f112555802e0de1aababdc
MD5 hash:
b841d7236145a3e25cc3a147a2b35a21
SHA1 hash:
69c1bed6116500da15f9b56eb37ff2de0ec48367
Link:
https://www.unpac.me/results/83ba5fc5-777b-4598-a3f6-cfba90b1abec/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e0cb91e34369e9a45805e6bef50f10337f2aa648d0f112555802e0de1aababdc

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: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_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Web download

RemcosRAT

Executable exe e0cb91e34369e9a45805e6bef50f10337f2aa648d0f112555802e0de1aababdc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/995738/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/116389/

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