MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1254cc962e505f7cc85e165f51c7699013a4c36bd6495aff5f9ef24f6150cff1. 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: 1254cc962e505f7cc85e165f51c7699013a4c36bd6495aff5f9ef24f6150cff1
SHA3-384 hash: 8a0af3c2af443c068fd778ba38a83b9aee7d34c0bbf4b89513c3f833d00b03d94a48a8ad0b434cde31bf5ddea4039487
SHA1 hash: c888d9cea635922127023f53954221ab61d704e5
MD5 hash: 1dff48809f01f13c054a275cd1fff333
humanhash: failed-pizza-charlie-kitten
File name:1dff48809f01f13c054a275cd1fff333.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'969'808 bytes
First seen:2020-12-15 17:39:12 UTC
Last seen:2020-12-15 19:32:26 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 24576:CRKJmaDt+fpuIuYgyiCYmcSAeEqoWsiQOUlNLtuRzgGmynN3lu9eFDjVqzl:zJVh+Lgyfd3bZjVI
Threatray 1'225 similar samples on MalwareBazaar
TLSH 03956B15F840355F798A41F09EDB56E8E2DA301926761B3A8C2328BDE91D18B7CDF873
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1dff48809f01f13c054a275cd1fff333.exe
Verdict:
Malicious activity
Analysis date:
2020-12-15 17:43:17 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/d7016c7b-28a5-4f58-8e82-a657a8c15237

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/108210/
Detection(s):
SecuriteInfo.com.Artemis1DFF48809F01.12248.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
DNS request
Sending a custom TCP request
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:
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:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/563595
Signature
Contains functionality to capture and log keystrokes
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 330883 Sample: Ot23uB1pb1.exe Startdate: 15/12/2020 Architecture: WINDOWS Score: 100 55 Malicious sample detected (through community Yara rule) 2->55 57 Detected Remcos RAT 2->57 59 Yara detected Remcos RAT 2->59 61 3 other signatures 2->61 10 Ot23uB1pb1.exe 2 2->10         started        13 vlc.exe 2 2->13         started        15 vlc.exe 2 2->15         started        process3 signatures4 63 Contains functionality to steal Chrome passwords or cookies 10->63 65 Contains functionality to capture and log keystrokes 10->65 67 Contains functionality to inject code into remote processes 10->67 69 Contains functionality to steal Firefox passwords or cookies 10->69 17 Ot23uB1pb1.exe 4 4 10->17         started        20 WerFault.exe 23 9 10->20         started        71 Hides threads from debuggers 13->71 22 vlc.exe 13->22         started        process5 file6 43 C:\Users\user\AppData\Roaming\vlc.exe, PE32 17->43 dropped 45 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 17->45 dropped 24 wscript.exe 1 17->24         started        47 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->47 dropped process7 process8 26 cmd.exe 1 24->26         started        process9 28 vlc.exe 2 26->28         started        31 conhost.exe 26->31         started        signatures10 73 Machine Learning detection for dropped file 28->73 75 Contains functionality to steal Chrome passwords or cookies 28->75 77 Contains functionality to capture and log keystrokes 28->77 79 2 other signatures 28->79 33 WerFault.exe 28->33         started        37 vlc.exe 2 1 28->37         started        39 vlc.exe 28->39         started        41 vlc.exe 28->41         started        process11 dnsIp12 51 192.168.2.1 unknown unknown 33->51 49 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 33->49 dropped 53 swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu 192.253.246.141, 2017, 49746 LEASEWEB-USA-NYC-11US United States 37->53 file13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1254cc962e505f7cc85e165f51c7699013a4c36bd6495aff5f9ef24f6150cff1/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-12-15 17:40:10 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cjkmzfrokbpxzsc6czpvdr3jsaj2jq3l2zevv727t3ze6ykqz7yq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
RemcosRAT
54c9967a2b3467f1a5961630d0bd429400e781de19866a383267c40e0f9acf2f
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
843326e8aabda8025975ae55e6d36fcd8bb79e2e1a5f25e86303b82f16c3bac5
RemcosRAT
b8bcf3a59b89b2ebc0fb7cfba5f8f726de83b08acd072b55c557cf89d16210c9
RemcosRAT
cc8de0f68549d84a62dcd11df6625b2bfe08a6cfaea102f4710e28969a60f689
RemcosRAT
e1865abf21c3b8f3b3d15e6c6e477468941f9e65700ceaaa0f4cb269d967c83e
RemcosRAT
f6c8f18b6a8db8307ea07c171236d118f91924e497027eeb305800ba2eee4fbe
RemcosRAT
f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
RemcosRAT
+ 1'215 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201215-4v28jg2lmj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
ServiceHost packer
Remcos
Malware Config
C2 Extraction:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017
Unpacked files
SH256 hash:
cf5b522e0ce55b4c4414ffcd85d921f8d3c2e78c7a39b046bff3dcea5754ab33
MD5 hash:
f9c640cbc7483ec72623e3c917057dac
SHA1 hash:
9fa063c441307f2ea0cfe2463dce085625600f97
Link:
https://www.unpac.me/results/891ee22d-029a-40b0-a767-ed877bee1822/
SH256 hash:
0062bbca0abe3635e4abf511e6c985e8486a4ed087e120cdbaf4449cc9e3f68b
MD5 hash:
c992123a09305e7e13b9228050d9b88a
SHA1 hash:
6b2aebd637bed6fa238737718444152ec0938105
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/891ee22d-029a-40b0-a767-ed877bee1822/
SH256 hash:
1254cc962e505f7cc85e165f51c7699013a4c36bd6495aff5f9ef24f6150cff1
MD5 hash:
1dff48809f01f13c054a275cd1fff333
SHA1 hash:
c888d9cea635922127023f53954221ab61d704e5
Link:
https://www.unpac.me/results/891ee22d-029a-40b0-a767-ed877bee1822/
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/1254cc962e505f7cc85e165f51c7699013a4c36bd6495aff5f9ef24f6150cff1

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 1254cc962e505f7cc85e165f51c7699013a4c36bd6495aff5f9ef24f6150cff1

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/108210/
  
URLhaus
https://urlhaus.abuse.ch/url/917470/
  
Delivery method
Distributed via web download

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