MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ce5ea40e72e6cade5615c3f01a6ca8a513e4e07842992ea67bef7cb8cd2376d. 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: 3ce5ea40e72e6cade5615c3f01a6ca8a513e4e07842992ea67bef7cb8cd2376d
SHA3-384 hash: 1100ecb816e557bdefd5e5ef146a3df419bd18ce8c927e78d293ad4172bda05907e065374706d0787b1eee7e9d59b3c9
SHA1 hash: 0b079edbef97852622b54e16458298916b98b57a
MD5 hash: aad40129ebd90e018f1840078d72c818
humanhash: lithium-ack-whiskey-triple
File name:aad40129ebd90e018f1840078d72c818.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'392'128 bytes
First seen:2021-01-29 09:17:14 UTC
Last seen:2021-01-29 10:54:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'813 x AgentTesla, 19'735 x Formbook, 12'282 x SnakeKeylogger)
ssdeep 768:kYuU/2xUDvIVkjHJeb5PkvpZiDBKyuixsEJr/zpYl8nqu/+4atXaf7qp+bLgh7T0:2u2
Threatray 1'472 similar samples on MalwareBazaar
TLSH 8455C2A39DC70ED6E7B3F04692F9B2BDEA12730740999B7F4B648AC703078949D05E94
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aad40129ebd90e018f1840078d72c818.exe
Verdict:
Malicious activity
Analysis date:
2021-01-29 09:31:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8b249b2e-600d-49fa-b18e-8da68c52b2f7

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/114720/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.6816.22622.5918.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
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 window
Deleting a recently created file
DNS request
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
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/593764
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 345922 Sample: ZxxbBiksW3.exe Startdate: 29/01/2021 Architecture: WINDOWS Score: 100 82 gsyagvxnzmkoplbhduisbagtevcnxmzlopljdgye.ydns.eu 2->82 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 5 other signatures 2->94 12 ZxxbBiksW3.exe 3 2->12         started        15 win.exe 2->15         started        17 win.exe 2->17         started        signatures3 process4 file5 104 Contains functionality to steal Chrome passwords or cookies 12->104 106 Contains functionality to capture and log keystrokes 12->106 108 Contains functionality to inject code into remote processes 12->108 114 2 other signatures 12->114 20 ZxxbBiksW3.exe 4 4 12->20         started        23 WerFault.exe 23 9 12->23         started        25 cmd.exe 1 12->25         started        110 Hides threads from debuggers 15->110 112 Injects a PE file into a foreign processes 15->112 27 WerFault.exe 15->27         started        29 cmd.exe 15->29         started        31 win.exe 15->31         started        33 win.exe 15->33         started        70 C:\Users\user\AppData\Local\...\win.exe.log, ASCII 17->70 dropped 35 cmd.exe 17->35         started        signatures6 process7 file8 72 C:\Users\user\AppData\Roaming\win.exe, PE32 20->72 dropped 74 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 20->74 dropped 37 wscript.exe 1 20->37         started        76 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 23->76 dropped 39 conhost.exe 25->39         started        41 timeout.exe 1 25->41         started        78 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 27->78 dropped 43 conhost.exe 29->43         started        45 timeout.exe 29->45         started        47 conhost.exe 35->47         started        49 timeout.exe 35->49         started        process9 process10 51 cmd.exe 1 37->51         started        process11 53 win.exe 3 51->53         started        56 conhost.exe 51->56         started        signatures12 96 Multi AV Scanner detection for dropped file 53->96 98 Machine Learning detection for dropped file 53->98 100 Contains functionality to steal Chrome passwords or cookies 53->100 102 4 other signatures 53->102 58 win.exe 53->58         started        61 WerFault.exe 53->61         started        64 cmd.exe 53->64         started        process13 dnsIp14 84 gsyagvxnzmkoplbhduisbagtevcnxmzlopljdgye.ydns.eu 58->84 86 192.168.2.1 unknown unknown 58->86 80 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 61->80 dropped 66 conhost.exe 64->66         started        68 timeout.exe 64->68         started        file15 process16
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3ce5ea40e72e6cade5615c3f01a6ca8a513e4e07842992ea67bef7cb8cd2376d/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-01-28 04:28:57 UTC
File Type:
PE (.Net Exe)
AV detection:
19 of 46 (41.30%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hts6uqhhfzwk3zlblq7qdjwkrjit4tqhqquzf2thx334xdgsg5wq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
21691425c52cf7a77c0e3a65cc1c0c59cb026d5b76e78160ebb8a553f9bbe50c
RemcosRAT
3b1b352f3c4d0fe235b45d9db418e1e4155ab31265ee368ed646ac38071a2eda
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
9930543939f97818319ed031530d9e084994331aa4b06a304faeb321bbcc63db
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
dfd3c33bf7be405cea03a045f3df2d9ff35f04c7da918eb916b6f224a58eea1f
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'462 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence ransomware rat
Link:
https://tria.ge/reports/210129-tf35e8csfx/
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Enumerates physical storage devices
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:
gsyagvxnzmkoplbhduisbagtevcnxmzlopljdgye.ydns.eu:2177
Unpacked files
SH256 hash:
ff732b6bb1fb29d55666c22366db2ca5d1465815509f66aa809e6fba5c3c1446
MD5 hash:
84e7ce09a49ab65d1a0fcd513920b7e2
SHA1 hash:
ca13ff95ab9c93cceab16c31c56385690b33f434
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/2f67a5ec-cdd2-48f2-a5e1-bdc3e718e63f/
SH256 hash:
b288ecf1603b98dc066bf40de032798303672ba1bd57fcc3b39d495947cc3568
MD5 hash:
7f55369e50c4b32bc61f07b1072711ee
SHA1 hash:
5e7a80258eeadc499b05323a477249bdd52dc9aa
Link:
https://www.unpac.me/results/2f67a5ec-cdd2-48f2-a5e1-bdc3e718e63f/
SH256 hash:
3ce5ea40e72e6cade5615c3f01a6ca8a513e4e07842992ea67bef7cb8cd2376d
MD5 hash:
aad40129ebd90e018f1840078d72c818
SHA1 hash:
0b079edbef97852622b54e16458298916b98b57a
Link:
https://www.unpac.me/results/2f67a5ec-cdd2-48f2-a5e1-bdc3e718e63f/
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/3ce5ea40e72e6cade5615c3f01a6ca8a513e4e07842992ea67bef7cb8cd2376d

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 3ce5ea40e72e6cade5615c3f01a6ca8a513e4e07842992ea67bef7cb8cd2376d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/978561/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/114720/

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