MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aad93ff025a725de6d3746c2e98126105b7a7f126b7340c540e13fa861c9e268. 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: aad93ff025a725de6d3746c2e98126105b7a7f126b7340c540e13fa861c9e268
SHA3-384 hash: d27c9bc365913623f67e8568d0f01144c33edb9a4f5823f3a791f684bbbca5952b489b2f759e48c4220e93b95a00ddf7
SHA1 hash: 98b5cb95aa4cbb0c97a772a2d76592a7c3ffc87c
MD5 hash: e9b6740e41a0542f4ad328e00acd7afb
humanhash: sierra-magnesium-speaker-berlin
File name:SecuriteInfo.com.BehavesLike.Win32.Generic.tz.13482
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'392'640 bytes
First seen:2021-01-21 10:15:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:VeN7e4geof3E+KF1P5nY+ga0q4iL7LBkESvShy2nzukiurnWPrMBvcgjBRUb79Nr:V
Threatray 1'448 similar samples on MalwareBazaar
TLSH 90552A853EF74E20B128F29B27B1C159717F92AEEACE33596B86D0C01D1B3475697C28
Reporter SecuriteInfoCom
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.BehavesLike.Win32.Generic.tz.13482
Verdict:
Malicious activity
Analysis date:
2021-01-21 10:41:42 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/2fa2eb2c-6d58-48a9-8db0-edc9d78c5d6d

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/113252/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.tz.13482.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
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
Creating a file
Creating a process from a recently created file
Deleting a recently created file
DNS request
Launching the default Windows debugger (dwwin.exe)
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/587114
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 342577 Sample: SecuriteInfo.com.BehavesLik... Startdate: 21/01/2021 Architecture: WINDOWS Score: 100 75 grtwyagvbxnzmklopmdhsyuwaszxbyhredsnmko.ydns.eu 2->75 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus / Scanner detection for submitted sample 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 4 other signatures 2->91 12 SecuriteInfo.com.BehavesLike.Win32.Generic.tz.exe 3 2->12         started        15 win.exe 2->15         started        signatures3 process4 signatures5 93 Contains functionality to steal Chrome passwords or cookies 12->93 95 Contains functionality to capture and log keystrokes 12->95 97 Contains functionality to inject code into remote processes 12->97 99 Contains functionality to steal Firefox passwords or cookies 12->99 17 SecuriteInfo.com.BehavesLike.Win32.Generic.tz.exe 4 4 12->17         started        20 cmd.exe 1 12->20         started        22 cmd.exe 1 12->22         started        26 3 other processes 12->26 101 Hides threads from debuggers 15->101 24 cmd.exe 15->24         started        process6 file7 71 C:\Users\user\AppData\Roaming\win.exe, PE32 17->71 dropped 73 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 17->73 dropped 28 wscript.exe 1 17->28         started        30 conhost.exe 20->30         started        32 timeout.exe 1 20->32         started        34 conhost.exe 22->34         started        36 timeout.exe 1 22->36         started        38 conhost.exe 24->38         started        40 timeout.exe 24->40         started        42 conhost.exe 26->42         started        44 timeout.exe 1 26->44         started        process8 process9 46 cmd.exe 1 28->46         started        process10 48 win.exe 3 46->48         started        51 conhost.exe 46->51         started        signatures11 77 Antivirus detection for dropped file 48->77 79 Multi AV Scanner detection for dropped file 48->79 81 Machine Learning detection for dropped file 48->81 83 2 other signatures 48->83 53 cmd.exe 48->53         started        55 cmd.exe 48->55         started        57 cmd.exe 48->57         started        process12 process13 59 conhost.exe 53->59         started        61 timeout.exe 53->61         started        63 conhost.exe 55->63         started        65 timeout.exe 55->65         started        67 conhost.exe 57->67         started        69 timeout.exe 57->69         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aad93ff025a725de6d3746c2e98126105b7a7f126b7340c540e13fa861c9e268/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-01-21 08:19:45 UTC
AV detection:
25 of 43 (58.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vlmt74bfu4s543jxi3botajgcbnxu7ysnnzubrka4e72qyoj4jua._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
+ 1'438 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/210121-4shyqx5wss/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Program crash
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
grtwyagvbxnzmklopmdhsyuwaszxbyhredsnmko.ydns.eu:2006
Unpacked files
SH256 hash:
8fb3d9785ed6648776fafd86557aac9442e1097a1a1f725ce98239b06b29c5c6
MD5 hash:
268b199b77c695f9e399fe4750cfb66c
SHA1 hash:
c956f403feb204266390468c6fb3403687190f0d
Link:
https://www.unpac.me/results/8663de02-b9d4-4290-b9ed-5125bb0a12ea/
SH256 hash:
c712d6946e606524ba7b1ff961fbc1714f504a40fdefde8efa678791f33f8da9
MD5 hash:
3fda1d82bc0be616fffaa33f5f62aee5
SHA1 hash:
1898848ac8ec5936a0165bd05d1e8baeb0b723de
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/8663de02-b9d4-4290-b9ed-5125bb0a12ea/
SH256 hash:
aad93ff025a725de6d3746c2e98126105b7a7f126b7340c540e13fa861c9e268
MD5 hash:
e9b6740e41a0542f4ad328e00acd7afb
SHA1 hash:
98b5cb95aa4cbb0c97a772a2d76592a7c3ffc87c
Link:
https://www.unpac.me/results/8663de02-b9d4-4290-b9ed-5125bb0a12ea/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aad93ff025a725de6d3746c2e98126105b7a7f126b7340c540e13fa861c9e268

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 aad93ff025a725de6d3746c2e98126105b7a7f126b7340c540e13fa861c9e268

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/972979/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/113252/

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