MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555
SHA3-384 hash: f3722643d797943cdcfc0c4de7d96abb83a798597a2d7733cae2164ed12cb91ac9adcfef8ef1e921f75ec902cd0a180d
SHA1 hash: 9c131ea7904887995b48df7f25231b3a40418f09
MD5 hash: e06fbf31a9b3b8fa2cd4aee86d80a395
humanhash: paris-arizona-island-pasta
File name:e06fbf31a9b3b8fa2cd4aee86d80a395.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'528'872 bytes
First seen:2020-12-22 15:43:10 UTC
Last seen:2020-12-22 17:38:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'633 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:M2LhLGtu7DFZ7U4dahCLP4ZBVNIa1SVYwB+sSpL6UKHbgBF9Ai1RJq4AlVx9DSol:M2Y4
Threatray 1'658 similar samples on MalwareBazaar
TLSH E3651C01498168CBD7B2D090A38DC6D6B387959DE7EA6FD4BE10E21532CC4B7EBB9D40
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
337
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e06fbf31a9b3b8fa2cd4aee86d80a395.exe
Verdict:
Malicious activity
Analysis date:
2020-12-22 15:52:42 UTC
Tags:
trojan rat remcos stealer keylogger
Link:
https://app.any.run/tasks/073cc6f7-2430-4c49-92d4-eac1596bae16

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/108942/
Detection(s):
SecuriteInfo.com.ArtemisE06FBF31A9B3.31242.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a window
Deleting a recently created file
Running batch commands
Sending a custom TCP request
DNS request
Creating a file
Connection attempt
Sending a UDP 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/568549
Signature
.NET source code contains very large strings
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 domain / URL
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 333345 Sample: f82NkRkb90.exe Startdate: 22/12/2020 Architecture: WINDOWS Score: 100 59 Multi AV Scanner detection for domain / URL 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Detected Remcos RAT 2->63 65 5 other signatures 2->65 10 f82NkRkb90.exe 2 2->10         started        13 vlc.exe 2 2->13         started        15 vlc.exe 2->15         started        process3 signatures4 75 Contains functionality to steal Chrome passwords or cookies 10->75 77 Contains functionality to capture and log keystrokes 10->77 79 Contains functionality to inject code into remote processes 10->79 81 Contains functionality to steal Firefox passwords or cookies 10->81 17 f82NkRkb90.exe 4 4 10->17         started        20 WerFault.exe 23 9 10->20         started        83 Hides threads from debuggers 13->83 85 Injects a PE file into a foreign processes 13->85 22 WerFault.exe 13->22         started        24 vlc.exe 13->24         started        26 WerFault.exe 15->26         started        28 vlc.exe 15->28         started        process5 file6 45 C:\Users\user\AppData\Roaming\vlc.exe, PE32 17->45 dropped 47 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 17->47 dropped 30 wscript.exe 1 17->30         started        49 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->49 dropped 51 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 22->51 dropped 53 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 26->53 dropped process7 process8 32 cmd.exe 1 30->32         started        process9 34 vlc.exe 2 32->34         started        37 conhost.exe 32->37         started        signatures10 67 Machine Learning detection for dropped file 34->67 69 Contains functionality to steal Chrome passwords or cookies 34->69 71 Contains functionality to capture and log keystrokes 34->71 73 4 other signatures 34->73 39 WerFault.exe 19 9 34->39         started        42 vlc.exe 2 1 34->42         started        process11 dnsIp12 55 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 39->55 dropped 57 swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu 192.253.246.142, 2017 LEASEWEB-USA-NYC-11US United States 42->57 file13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2020-12-22 15:44:10 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lk3isegfhtfoucvgzhsr7kfnsjbtzorwsfr7th3dnfz3gkv5uvkq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11b16ba733f2f4f10ac58021eecaf5668551a73e2a1acfae99745c50bfccbb44
RemcosRAT
344e6fbb3b331ae13507bca32206ceea89837dc6c02eeadeeee979d8312199b6
RemcosRAT
346c5380b5669b73b9fc43a1a17c31ea17985488e9ea947d93a1c6858ebab5e1
RemcosRAT
44cfe2788bdba5231ad53ac96614b4f0a8fe0bded01a712db0bca1317af6bd7d
RemcosRAT
a66b740c103035f94d2d78140ead520be0e9ee0c218ab7dc17ebb3cfa2ea4f86
RemcosRAT
c032e316eefbacca4b3ddfe7fc2ee9ac5f86daea767232d2322f7fdfe4b18993
RemcosRAT
c14895a7d0ca2633b565af7c08e77aef32397f4fdc78fd3560d2f23d89aa6d6a
RemcosRAT
c71eac19ad546b1d4e4ed84966072f03236e6d0ed99e6ce94bc19df2bac3b0e1
RemcosRAT
e86d9b9cdf1f341e2c2f811a31d371204d181385f6c32282057b976d25f53591
RemcosRAT
f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
RemcosRAT
+ 1'648 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201222-8lgaazax8e/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
ServiceHost packer
Remcos
Malware Config
C2 Extraction:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017
Unpacked files
SH256 hash:
5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555
MD5 hash:
e06fbf31a9b3b8fa2cd4aee86d80a395
SHA1 hash:
9c131ea7904887995b48df7f25231b3a40418f09
Link:
https://www.unpac.me/results/8e8ad47e-d331-4427-bb60-916818c0e4d4/
SH256 hash:
f6531afee4c9b74bb946603241f15cf7e735c7e84eefb42073e27a660d6bde24
MD5 hash:
13d0475c57398417490a7136f7080481
SHA1 hash:
c7d361aba47da7e1c872862afb756f1d1ca4c674
Link:
https://www.unpac.me/results/8e8ad47e-d331-4427-bb60-916818c0e4d4/
SH256 hash:
4202d7ed0b06845d3d75126f38ab8a55f640f628e96d953973945558e824aac4
MD5 hash:
b4b1359745e326891d6e2067a3f55478
SHA1 hash:
ed03b31cf12a57ca58490fb39e857cc7fd696d5b
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/8e8ad47e-d331-4427-bb60-916818c0e4d4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.37
Link:
https://yomi.yoroi.company/submissions/5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555

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 5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/108942/
  
URLhaus
https://urlhaus.abuse.ch/url/929851/
  
Delivery method
Distributed via web download

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