MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3024e654175b1dca693685f526e364d61337bcd60236c82d5095cec6477c7c0b. 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 9 File information Comments
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SHA256 hash: 3024e654175b1dca693685f526e364d61337bcd60236c82d5095cec6477c7c0b
SHA3-384 hash: 85bdfed3691bc3e19dad721fe3d00aa097f6660f7f8cd58a2d8b3a19bee64a9d44fe9c534412e8eecab697c4ba6a339c
SHA1 hash: a7e5e26c191e12c87c68d2a67157d93f30b2fa48
MD5 hash: 922c6ab4876450c2573605360d6483e4
humanhash: eleven-hamper-november-maine
File name:PDF_EXTRACTO_8708351187074107661512186542_2964923929632622389140_67496250499050482698127340_4330598984156867018520_pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'040'992 bytes
First seen:2020-12-17 08:47:26 UTC
Last seen:2020-12-17 10:30:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:l50fmJyG8Wg/qo27sfOor4hPawnd5jEKWDVpCEkHnTDxK:9M9LnrSEFiEkXA
Threatray 1'233 similar samples on MalwareBazaar
TLSH F7957D50F850399FBA8A44F0AED752E8E6D6311916361B3A8C63687CD91E04B7CDFC72
Reporter abuse_ch
Tags:exe Outlook RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: NAM02-BL2-obe.outbound.protection.outlook.com
Sending IP: 40.92.3.45
From: info. Extracto <tesoreria54procolombia@outlook.es>
Subject: FACTURA EN MORA, REPORTE NEGATIVO EN DATACREDITO
Attachment: PDF_EXTRACTO_8708351187074107661512186542_2964923929632622389140_67496250499050482698127340_43305989 (contains "PDF_EXTRACTO_8708351187074107661512186542_2964923929632622389140_67496250499050482698127340_4330598984156867018520_pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Artemis922C6AB48764.19822.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Adding an access-denied ACE
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Sending a UDP request
DNS 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
Connection attempt to an infection source
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/565122
Signature
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
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
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 signatures2 2 Behavior Graph ID: 331649 Sample: 8520_pdf.exe Startdate: 17/12/2020 Architecture: WINDOWS Score: 100 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Detected Remcos RAT 2->61 63 5 other signatures 2->63 10 8520_pdf.exe 2 2->10         started        13 PxxoServicesNet.exe 2 2->13         started        15 PxxoServicesNet.exe 2 2->15         started        process3 signatures4 73 Contains functionality to steal Chrome passwords or cookies 10->73 75 Contains functionality to capture and log keystrokes 10->75 77 Contains functionality to inject code into remote processes 10->77 79 Contains functionality to steal Firefox passwords or cookies 10->79 17 8520_pdf.exe 4 5 10->17         started        20 WerFault.exe 23 9 10->20         started        22 8520_pdf.exe 10->22         started        81 Hides threads from debuggers 13->81 24 PxxoServicesNet.exe 13->24         started        26 WerFault.exe 13->26         started        28 PxxoServicesNet.exe 15->28         started        30 WerFault.exe 15->30         started        process5 file6 47 C:\Users\user\AppData\...\PxxoServicesNet.exe, PE32 17->47 dropped 49 C:\...\PxxoServicesNet.exe:Zone.Identifier, ASCII 17->49 dropped 32 wscript.exe 1 17->32         started        51 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 20->51 dropped process7 dnsIp8 53 192.168.2.1 unknown unknown 32->53 35 cmd.exe 1 32->35         started        process9 process10 37 PxxoServicesNet.exe 2 35->37         started        40 conhost.exe 35->40         started        signatures11 65 Multi AV Scanner detection for dropped file 37->65 67 Machine Learning detection for dropped file 37->67 69 Contains functionality to steal Chrome passwords or cookies 37->69 71 4 other signatures 37->71 42 PxxoServicesNet.exe 2 4 37->42         started        45 WerFault.exe 37->45         started        process12 dnsIp13 55 databasepropersonombrecomercialideasearchwords.services 186.169.43.221, 7580 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 42->55
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3024e654175b1dca693685f526e364d61337bcd60236c82d5095cec6477c7c0b/
Threat name:
ByteCode-MSIL.Trojan.Remcos
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Status:
Malicious
First seen:
2020-12-17 02:55:45 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gasomvaxlmo4u2jwqx2sny3e2yjtppgwai3mqlkqsxhmmr34pqfq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
RemcosRAT
54c9967a2b3467f1a5961630d0bd429400e781de19866a383267c40e0f9acf2f
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
843326e8aabda8025975ae55e6d36fcd8bb79e2e1a5f25e86303b82f16c3bac5
RemcosRAT
b8bcf3a59b89b2ebc0fb7cfba5f8f726de83b08acd072b55c557cf89d16210c9
RemcosRAT
cc8de0f68549d84a62dcd11df6625b2bfe08a6cfaea102f4710e28969a60f689
RemcosRAT
e1865abf21c3b8f3b3d15e6c6e477468941f9e65700ceaaa0f4cb269d967c83e
RemcosRAT
f6c8f18b6a8db8307ea07c171236d118f91924e497027eeb305800ba2eee4fbe
RemcosRAT
f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
RemcosRAT
+ 1'223 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201217-5gcenz8p9s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Program crash
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:
databasepropersonombrecomercialideasearchwords.services:7580
Unpacked files
SH256 hash:
56029291bbc3dfe08c0b89befed969f627f60ca18f646f518d528a32d86271da
MD5 hash:
6ad82395e55c3f284c767854ba37576d
SHA1 hash:
5d8af6bc3fead7ae40814f739644166ea7396cc6
Link:
https://www.unpac.me/results/e9ac1488-560d-4633-a188-3ad634b332ce/
SH256 hash:
42b8b3a3ac675b3dc2d6008db8978ab0679a99fde1512445ed85fbb8579bda3f
MD5 hash:
b456a54081f02a58e78d7a40985a0921
SHA1 hash:
d718259056652635a309e843f060e8b00a5034e4
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/e9ac1488-560d-4633-a188-3ad634b332ce/
SH256 hash:
3024e654175b1dca693685f526e364d61337bcd60236c82d5095cec6477c7c0b
MD5 hash:
922c6ab4876450c2573605360d6483e4
SHA1 hash:
a7e5e26c191e12c87c68d2a67157d93f30b2fa48
Link:
https://www.unpac.me/results/e9ac1488-560d-4633-a188-3ad634b332ce/
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/3024e654175b1dca693685f526e364d61337bcd60236c82d5095cec6477c7c0b

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.

Malspam

RemcosRAT

rar 1e1035cccc4755a109fd3f6cb6c8ca72092d2791520ddcdf0334122e6b9dea93

RemcosRAT

Executable exe 3024e654175b1dca693685f526e364d61337bcd60236c82d5095cec6477c7c0b

(this sample)

  
Dropped by
MD5 2540408d7a71fa7d8cc6f748fed2b3ae
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 1e1035cccc4755a109fd3f6cb6c8ca72092d2791520ddcdf0334122e6b9dea93

Comments