MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac63e6a70d5a7b867b798cd4a22db827d66c95f2506d1efdb49d2b6bf6d73aa8. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac63e6a70d5a7b867b798cd4a22db827d66c95f2506d1efdb49d2b6bf6d73aa8
SHA3-384 hash: 4e2f010d2cd6cde973e8ff9ff9ce63e4cd3f3bf1011d6be6249396d5e9615d579ac904d703610f8b7a3ebc565e8fc4d6
SHA1 hash: 332b502d991bdbda3cf5a564cb7fa81b751b4ec2
MD5 hash: 189de19de5a0222d7796a33425f1f99b
humanhash: ceiling-florida-alaska-ten
File name:Notice_to_submit.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'092'859 bytes
First seen:2021-08-09 14:25:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:WAOcZwlfJfvzligAyW0iwfhNQXNmrKFjElpW:czXzgaWzIrKFjMW
Threatray 2'288 similar samples on MalwareBazaar
TLSH T15435EF02EFF140F7D436073145775B306EBAAF301AB6965A97A07478AD323436E27B92
dhash icon 12329272e9cc3649 (2 x RemcosRAT, 1 x Formbook, 1 x AgentTesla)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Notice_to_submit.exe
Verdict:
Malicious activity
Analysis date:
2021-08-09 14:37:24 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/48d88323-9a64-4452-a67e-f554fad91438

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/177627/
Detection(s):
Win.Malware.Nymeria-7168557-0
Create hunting rule

Win.Malware.Qshell-9875653-0
Create hunting rule

SecuriteInfo.com.Gen.Variant.Johnnie.221809.751.14920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Adding an access-denied ACE
Launching a process
Sending a UDP request
Connection attempt to an infection source
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Query of malicious DNS domain
Unauthorized injection to a system process
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6278598a-8cb6-4156-b962-b89deddf3e45
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829405
Signature
Allocates memory in foreign processes
Detected Remcos RAT
Drops PE files with a suspicious file extension
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: WScript or CScript Dropper
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 461855 Sample: Notice_to_submit.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 54 cato.fingusti.club 2->54 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Detected Remcos RAT 2->62 64 5 other signatures 2->64 14 Notice_to_submit.exe 80 2->14         started        18 dubsddud.pif 2->18         started        signatures3 process4 file5 50 C:\Users\user\31944902\dubsddud.pif, PE32 14->50 dropped 80 Drops PE files with a suspicious file extension 14->80 20 dubsddud.pif 4 3 14->20         started        24 wscript.exe 18->24         started        signatures6 process7 file8 48 C:\Users\user\31944902\run.vbs, ASCII 20->48 dropped 66 Multi AV Scanner detection for dropped file 20->66 26 wscript.exe 1 20->26         started        28 dubsddud.pif 24->28         started        signatures9 process10 signatures11 31 dubsddud.pif 26->31         started        74 Writes to foreign memory regions 28->74 76 Allocates memory in foreign processes 28->76 78 Injects a PE file into a foreign processes 28->78 33 RegSvcs.exe 28->33         started        process12 dnsIp13 36 wscript.exe 1 31->36         started        52 cato.fingusti.club 79.134.225.92, 49722, 49725, 49726 FINK-TELECOM-SERVICESCH Switzerland 33->52 process14 dnsIp15 56 192.168.2.1 unknown unknown 36->56 39 dubsddud.pif 36->39         started        process16 process17 41 wscript.exe 39->41         started        process18 43 dubsddud.pif 41->43         started        signatures19 68 Writes to foreign memory regions 43->68 70 Allocates memory in foreign processes 43->70 72 Injects a PE file into a foreign processes 43->72 46 RegSvcs.exe 43->46         started        process20
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ac63e6a70d5a7b867b798cd4a22db827d66c95f2506d1efdb49d2b6bf6d73aa8/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-08-09 14:26:06 UTC
AV detection:
20 of 47 (42.55%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vrr6njynlj5ym63zrtkkelnye7lgzfpskbwr57nutuvwx5wxhkua._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
022a59ed972a0a93af024278929ae49d28e59382e620c283dd3b701f24a218d4
RemcosRAT
074a64fb4b5d592b8498c7436e225c239b2c862d8f4f118d82e71c70e6d15104
RemcosRAT
160bb1d1ffcdea76c664adfeed64f6fe3e16285baf9c4336ebb0caeddfcfd931
RemcosRAT
28d1ce2d141fcfc52b6b8a81f5424920ba2818a14e8ac201446697ff977082de
RemcosRAT
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
RemcosRAT
5fd5abeb26cdc364310d6e88bb4326d6801eba7dfebca2601fb0ad11797acdd6
RemcosRAT
9d1f32d9806bafd63451a59e1768502f31cf9dc746c9e92f62b978c1ed259497
RemcosRAT
b48f0a69fbd7b2acff7ba78adabd07336879b1043261ecb46c1f29a6621bdf54
RemcosRAT
ebbc6f882c469db06196cbeea3ef7b62899229ef1f89234ef3ace2f83ce2b557
RemcosRAT
f5d0792248cb4a496cb1d59f94aa291e734b250760018e533290c9aa573276c0
RemcosRAT
+ 2'278 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:nanocore family:remcos botnet:newyear keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/210809-79aycpvd8s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
NanoCore
Remcos
Malware Config
C2 Extraction:
cato.fingusti.club:6609
Unpacked files
SH256 hash:
f8ff8336b9c3036dd6d83cf065f2ecb649786af35dc2d0a2c8ccbf27901f7b6a
MD5 hash:
53d6622008bc5d9718732c4a8fccc4c6
SHA1 hash:
7d00569a7160255e9a144211fb3fac99a176bb1d
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/b23178bb-a557-4269-abcd-6a816f49dfa9/
Parent samples :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 hash:
ab852f52284810b1ef6fc4a2521dbf5130c5ed4cb98ca54310b22dd3529c0c94
MD5 hash:
fbd2a6237d00d90eb947b23feb9f68b0
SHA1 hash:
173dae239c761dcd824c692f3360902d04aa0479
Link:
https://www.unpac.me/results/b23178bb-a557-4269-abcd-6a816f49dfa9/
SH256 hash:
ac63e6a70d5a7b867b798cd4a22db827d66c95f2506d1efdb49d2b6bf6d73aa8
MD5 hash:
189de19de5a0222d7796a33425f1f99b
SHA1 hash:
332b502d991bdbda3cf5a564cb7fa81b751b4ec2
Link:
https://www.unpac.me/results/b23178bb-a557-4269-abcd-6a816f49dfa9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/ac63e6a70d5a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ac63e6a70d5a7b867b798cd4a22db827d66c95f2506d1efdb49d2b6bf6d73aa8

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.

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/177627/

Comments