MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5349ef208ec6521c83f1eccc8cf74d0364076f2b0020938716f7974af1105aa. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5349ef208ec6521c83f1eccc8cf74d0364076f2b0020938716f7974af1105aa
SHA3-384 hash: 251f3d9593c959767bf750acb0d71dc7015e3f669bb75cc3778e94d9ab5af40ea13ba339056e39a50a437cbf082f9101
SHA1 hash: f378233291065ebbf14028017c068a76c10254af
MD5 hash: 3ef6e25f5aa09df5dd38e0f0abfdad02
humanhash: crazy-massachusetts-kilo-alanine
File name:PEDIDO-6764,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:227'392 bytes
First seen:2020-11-26 06:40:28 UTC
Last seen:2020-11-26 08:42:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:WIT2hagq5pOkLww2rbJAzK6jfrBxNpBG5zwM8B:VT2PpnyW6bfN5B
Threatray 1'250 similar samples on MalwareBazaar
TLSH CC2402405B589173DDBA9D33B9C13352CB32AB233576C5AB364E4505EFA33C3994A2E8
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Code Signing Certificate

Organisation:DigiCert SHA2 Assured ID Code Signing CA
Issuer:DigiCert Assured ID Root CA
Algorithm:sha256WithRSAEncryption
Valid from:Oct 22 12:00:00 2013 GMT
Valid to:Oct 22 12:00:00 2028 GMT
Serial number: 0409181B5FD5BB66755343B56F955008
Intelligence: 9 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 51044706BD237B91B89B781337E6D62656C69F0FCFFBE8E43741367948127862
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: learsoft.com.ar
Sending IP: 190.210.215.185
From: Angel vargas<angel.vargas@dopingmaq.com.mx>
Subject: NUEVA ORDEN DE COMPRA
Attachment: PEDIDO-6764,pdf.iso (contains "PEDIDO-6764,pdf.exe")

RemcosRAT C2:
uzbektourism8739.ddns.net

Intelligence

File Origin
# of uploads :
2
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Connection attempt to an infection source
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/547857
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 323030 Sample: PEDIDO-6764,pdf.exe Startdate: 26/11/2020 Architecture: WINDOWS Score: 100 35 uzbektourism8739.ddns.net 2->35 37 g.msn.com 2->37 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for dropped file 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 12 other signatures 2->49 7 PEDIDO-6764,pdf.exe 1 6 2->7         started        11 vlc.exe 3 2->11         started        13 vlc.exe 2 2->13         started        signatures3 process4 file5 27 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 7->27 dropped 29 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\...\PEDIDO-6764,pdf.exe.log, ASCII 7->31 dropped 51 Contains functionality to steal Chrome passwords or cookies 7->51 53 Contains functionality to capture and log keystrokes 7->53 55 Contains functionality to inject code into remote processes 7->55 57 Contains functionality to steal Firefox passwords or cookies 7->57 15 PEDIDO-6764,pdf.exe 2 3 7->15         started        33 C:\Users\user\AppData\Local\...\vlc.exe.log, ASCII 11->33 dropped 59 Injects a PE file into a foreign processes 11->59 19 vlc.exe 11->19         started        21 vlc.exe 13->21         started        23 vlc.exe 13->23         started        signatures6 process7 dnsIp8 39 uzbektourism8739.ddns.net 194.5.98.14, 49714, 49717, 49719 DANILENKODE Netherlands 15->39 41 192.168.2.1 unknown unknown 15->41 25 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 15->25 dropped file9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d5349ef208ec6521c83f1eccc8cf74d0364076f2b0020938716f7974af1105aa/
Threat name:
ByteCode-MSIL.Trojan.Witch
Create hunting rule
Status:
Malicious
First seen:
2020-11-26 06:41:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2u2j54qi5rssdsb7d3gmrt3u2a3ea5xswabasodrn54xjlyrawva._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1c517ddebb6f5893d52918c51a70e56f68b50dd65e0460a673cce3625a0f8a2b
RemcosRAT
3ad976b10711565d40a43e17baa86f178a22066c982363d711db1f7edbff3ff2
RemcosRAT
4096056536154e1fa5a10e3495cd3ddadf7c01022b7b65b0c35a67b2eac2bc6b
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
54c9967a2b3467f1a5961630d0bd429400e781de19866a383267c40e0f9acf2f
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
65228df6e85371a2b4b1e5340f11e36cdc94f8b39bda216c0ed143eaac36912b
RemcosRAT
6c489ebc2d7b407a9058479ee3e54b83949ef2a58ce749528cea74b4f0b5db0e
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
f6c8f18b6a8db8307ea07c171236d118f91924e497027eeb305800ba2eee4fbe
RemcosRAT
+ 1'240 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201126-tbldscyltn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
uzbektourism8739.ddns.net:6735
Unpacked files
SH256 hash:
d5349ef208ec6521c83f1eccc8cf74d0364076f2b0020938716f7974af1105aa
MD5 hash:
3ef6e25f5aa09df5dd38e0f0abfdad02
SHA1 hash:
f378233291065ebbf14028017c068a76c10254af
Link:
https://www.unpac.me/results/893fa48e-faf0-492e-bc9d-638ef84f1192/
SH256 hash:
e1aaa95f01774b23061efb5e0303d8ad04f36b80f29e03a168070bf14fe5c01d
MD5 hash:
380c514a279eb7e933b083f4a21b33f0
SHA1 hash:
4bc59261055708ee456434c9786533b78e568552
Link:
https://www.unpac.me/results/893fa48e-faf0-492e-bc9d-638ef84f1192/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/893fa48e-faf0-492e-bc9d-638ef84f1192/
SH256 hash:
ed8083a80069f76a2b5dad841a2e5e20e2ff0c5e9363bd6b2c111d399bb16205
MD5 hash:
c0e79b737bd4f673730b40ab900c3905
SHA1 hash:
59325654a48857f6f06e0dc8779f0a737bdbc9df
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/893fa48e-faf0-492e-bc9d-638ef84f1192/
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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.

Malspam

RemcosRAT

iso ead3469213b443100cd0d24ba132da279c8d10ccefab825ccaac89d6dd9fbef3

RemcosRAT

Executable exe d5349ef208ec6521c83f1eccc8cf74d0364076f2b0020938716f7974af1105aa

(this sample)

  
Dropped by
MD5 e406aa5fd83a939f318be0a0653f0be6
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ead3469213b443100cd0d24ba132da279c8d10ccefab825ccaac89d6dd9fbef3
Cape
Cape
https://www.capesandbox.com/analysis/105591/

Comments