MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62af113dfd78cac402e87e1f70d7b3718258727b84ed947111269c1f874585da. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 62af113dfd78cac402e87e1f70d7b3718258727b84ed947111269c1f874585da
SHA3-384 hash: 3e36f88190040b765dec6b7e8b862eed10da080efdafea91ba719e2ad0b7a7b167384cc21922acf28fb922002bfbce5d
SHA1 hash: be4c2676803beabbf4524a5eac674dbfa3cce0db
MD5 hash: 69aa57441342e6a7ff6b5b7cbf8cff3a
humanhash: jig-video-hotel-cold
File name:69aa57441342e6a7ff6b5b7cbf8cff3a.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'368'384 bytes
First seen:2021-01-19 06:39:28 UTC
Last seen:2021-01-19 09:21:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:uG+v6XPa44ng1PVOPUI6FNQ+laTHQzofSXSUMTzFGgxMMg3mUOVhyLcykrWA4T3:xc6fZ4ngl3
TLSH 23556E358E8F48E9862A774F3F1670E98B842F48B0D81F56BCB5C319A417ED85794CB8
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
wedsazxcvfghyuiokjhbnvfcdsaweyplmhbvrtud.ydns.eu:1996

Intelligence

File Origin
# of uploads :
2
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
KUT.exe
Verdict:
Malicious activity
Analysis date:
2021-01-19 04:56:15 UTC
Tags:
trojan rat remcos keylogger stealer
Link:
https://app.any.run/tasks/2cc2578f-a50b-4061-8cad-68804f276f7f

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/112731/
Detection(s):
SecuriteInfo.com.Artemis69AA57441342.4617.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Adding an access-denied ACE
Creating a file
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Deleting a recently created file
DNS 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
Connection attempt to an infection source
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/584492
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)
Detected Remcos RAT
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 341276 Sample: rZ6p83z3Ep.exe Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 88 Malicious sample detected (through community Yara rule) 2->88 90 Multi AV Scanner detection for submitted file 2->90 92 Detected Remcos RAT 2->92 94 4 other signatures 2->94 11 rZ6p83z3Ep.exe 3 2->11         started        14 win.exe 2->14         started        16 win.exe 2->16         started        process3 signatures4 104 Contains functionality to steal Chrome passwords or cookies 11->104 106 Contains functionality to capture and log keystrokes 11->106 108 Contains functionality to inject code into remote processes 11->108 112 3 other signatures 11->112 18 rZ6p83z3Ep.exe 4 4 11->18         started        21 WerFault.exe 20 9 11->21         started        23 cmd.exe 1 11->23         started        29 3 other processes 11->29 110 Hides threads from debuggers 14->110 25 cmd.exe 14->25         started        27 cmd.exe 14->27         started        process5 file6 78 C:\Users\user\AppData\Roaming\win.exe, PE32 18->78 dropped 80 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 18->80 dropped 31 wscript.exe 1 18->31         started        82 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 21->82 dropped 33 conhost.exe 23->33         started        35 timeout.exe 1 23->35         started        45 2 other processes 25->45 47 2 other processes 27->47 37 conhost.exe 29->37         started        39 conhost.exe 29->39         started        41 timeout.exe 1 29->41         started        43 timeout.exe 1 29->43         started        process7 process8 49 cmd.exe 1 31->49         started        process9 51 win.exe 3 49->51         started        54 conhost.exe 49->54         started        signatures10 96 Multi AV Scanner detection for dropped file 51->96 98 Machine Learning detection for dropped file 51->98 100 Contains functionality to steal Chrome passwords or cookies 51->100 102 3 other signatures 51->102 56 WerFault.exe 51->56         started        59 cmd.exe 51->59         started        61 cmd.exe 51->61         started        63 2 other processes 51->63 process11 dnsIp12 84 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 56->84 dropped 66 conhost.exe 59->66         started        68 timeout.exe 59->68         started        70 conhost.exe 61->70         started        72 timeout.exe 61->72         started        86 wedsazxcvfghyuiokjhbnvfcdsaweyplmhbvrtud.ydns.eu 37.230.130.12, 1996 VOXILITYGB Netherlands 63->86 74 conhost.exe 63->74         started        76 timeout.exe 63->76         started        file13 process14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/62af113dfd78cac402e87e1f70d7b3718258727b84ed947111269c1f874585da/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-01-19 06:40:07 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mkxrcpp5pdfmiaxipypxbv5togbfq4t3qtwzi4ire2ob7b2fqxna._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210119-d8c5m2dzpa/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
wedsazxcvfghyuiokjhbnvfcdsaweyplmhbvrtud.ydns.eu:1996
Unpacked files
SH256 hash:
119f747191cef9b5c0414cdb05fdfa1a98bdbfe133a53198e9d9f6473948f6f6
MD5 hash:
b785c6dbba99cb82e1850d7467e99879
SHA1 hash:
067f9953b4dccc1871154ff414689de87a80b988
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/f8b48963-df28-4e0a-8d30-866bac90277e/
SH256 hash:
dc20ff00443ed8a960d43c79f09886d400900d77f24042fceea4825e93897023
MD5 hash:
308fdd6d9047d6b0107fb553707b4622
SHA1 hash:
47af5c8c6e5a607bf95c26a443e7fe5af2221047
Link:
https://www.unpac.me/results/f8b48963-df28-4e0a-8d30-866bac90277e/
SH256 hash:
62af113dfd78cac402e87e1f70d7b3718258727b84ed947111269c1f874585da
MD5 hash:
69aa57441342e6a7ff6b5b7cbf8cff3a
SHA1 hash:
be4c2676803beabbf4524a5eac674dbfa3cce0db
Link:
https://www.unpac.me/results/f8b48963-df28-4e0a-8d30-866bac90277e/
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/62af113dfd78cac402e87e1f70d7b3718258727b84ed947111269c1f874585da

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
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 62af113dfd78cac402e87e1f70d7b3718258727b84ed947111269c1f874585da

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/969719/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/112731/

Comments