MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3234ff5f304bb4f6a94ca5e0d56073a6fcfbb65e582dff4a509351d44b039fe9. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3234ff5f304bb4f6a94ca5e0d56073a6fcfbb65e582dff4a509351d44b039fe9
SHA3-384 hash: bbe75264a92bbc724b6fe5828e6c5bf627653ba61fa72d09481576f664b422328a33316f0f72a1e0793844e1197ccdf4
SHA1 hash: 9123ebcaf7e68128951be9160d259cb3ef769c9e
MD5 hash: 7289cacc37ace16d2a22eb0adcf49e8d
humanhash: november-saturn-dakota-leopard
File name:Waybill.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'080'320 bytes
First seen:2021-09-21 10:36:08 UTC
Last seen:2021-09-21 12:09:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bc8cc1eea5c25ce2056d7da92bd98134 (9 x RemcosRAT, 3 x NetWire, 1 x AveMariaRAT)
ssdeep 12288:BSZPsJUL/MN/cen/VwTQBXcameDCnNmpeoAdrL7+o:bOQN/cu/VdBXKyCnEorP
Threatray 4 similar samples on MalwareBazaar
TLSH T18C357BD6738DCCE1ED25363EE98AB1A13620BBF93C124C49DD242F4E66B9551F48E843
File icon (PE):PE icon
dhash icon 88a2b6b2aaaad4d4 (11 x RemcosRAT, 3 x Formbook, 2 x AveMariaRAT)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Waybill.exe
Verdict:
Malicious activity
Analysis date:
2021-09-21 10:51:23 UTC
Tags:
installer rat remcos keylogger
Link:
https://app.any.run/tasks/d3e5ff34-af09-4328-85e6-520d006310c3

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/189835/
Detection(s):
SecuriteInfo.com.Variant.Zusy.401426.20473.4709.UNOFFICIAL
Create hunting rule

Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc296373-ab58-45b1-b5b5-3fbcfa24f8d6
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/854774
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 487205 Sample: Waybill.exe Startdate: 21/09/2021 Architecture: WINDOWS Score: 100 32 rem166.hopto.org 2->32 34 rem1.camdvr.org 2->34 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 6 other signatures 2->56 7 Waybill.exe 1 17 2->7         started        12 Rdagtax.exe 13 2->12         started        14 Rdagtax.exe 13 2->14         started        signatures3 process4 dnsIp5 36 cdn.discordapp.com 162.159.129.233, 443, 49735, 49736 CLOUDFLARENETUS United States 7->36 24 C:\Users\Public\Libraries\...\Rdagtax.exe, PE32 7->24 dropped 58 Writes to foreign memory regions 7->58 60 Allocates memory in foreign processes 7->60 62 Creates a thread in another existing process (thread injection) 7->62 16 mobsync.exe 2 3 7->16         started        38 162.159.130.233, 443, 49744 CLOUDFLARENETUS United States 12->38 64 Multi AV Scanner detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 20 DpiScaling.exe 12->20         started        22 DpiScaling.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 sunwap1.ddns.net 37.120.138.222, 2404 M247GB Romania 16->26 28 remmusic.freeddns.org 16->28 30 4 other IPs or domains 16->30 40 Contains functionalty to change the wallpaper 16->40 42 Contains functionality to steal Chrome passwords or cookies 16->42 44 Contains functionality to capture and log keystrokes 16->44 48 2 other signatures 16->48 46 Contains functionality to steal Firefox passwords or cookies 20->46 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3234ff5f304bb4f6a94ca5e0d56073a6fcfbb65e582dff4a509351d44b039fe9/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2021-09-21 08:54:37 UTC
AV detection:
11 of 45 (24.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gi2p6xzqjo2pnkkmuxqnkydtu36pxns6law76ssqsni5isydt7uq._file
Verdict:
malicious
Similar samples:
27bc88fd389ded5b1102d7ef23245aceeb4a516c7291afc954abb876898aa42f
RemcosRAT
83db97610db35554df4061ac1370a10dcda2006d212f4d17e741cfdfdf6264cb
RemcosRAT
a3aab02445dfa2ff67c27a8965fb2263965c2ad3f31475e6b6a4459b5c191827
RemcosRAT
b17c3b52340b1f33f4c2e5ce9eb6de617bd28c9525d12b56de031f5367bf7f9a
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/210921-mns1rsbhar/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
rem1.camdvr.org:2404
rem16.hopto.org:2404
rem1666.hopto.org:2404
rem16.camdvr.org:2404
remmusic.freeddns.org:2404
sunwap1.ddns.net:2404
rem166.hopto.org:2404
Unpacked files
SH256 hash:
9df5839fe41103d241af27c07ec4fce4adfb9129cb57fe6d3fd9a396a750fb49
MD5 hash:
36e70e671e5390c2363ea8803df1c84a
SHA1 hash:
8905d18a2eb8299c800331aee4bbd05afa8f5bcc
Link:
https://www.unpac.me/results/0301944a-ab78-43a2-9d23-f8a61874639d/
SH256 hash:
3234ff5f304bb4f6a94ca5e0d56073a6fcfbb65e582dff4a509351d44b039fe9
MD5 hash:
7289cacc37ace16d2a22eb0adcf49e8d
SHA1 hash:
9123ebcaf7e68128951be9160d259cb3ef769c9e
Link:
https://www.unpac.me/results/0301944a-ab78-43a2-9d23-f8a61874639d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/3234ff5f304bb4f6a94ca5e0d56073a6fcfbb65e582dff4a509351d44b039fe9

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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:Detects win.remcos.

File information

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

Malspam

RemcosRAT

Executable exe 3234ff5f304bb4f6a94ca5e0d56073a6fcfbb65e582dff4a509351d44b039fe9

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/189835/

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