MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 01725ebec49d4d44baf1ef214ac4475f7a2d13b284eaa756e41eb2fba4093d5e. 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 2 File information Comments

SHA256 hash: 01725ebec49d4d44baf1ef214ac4475f7a2d13b284eaa756e41eb2fba4093d5e
SHA3-384 hash: 3b85974dce189a31bbd3a845eadc6d8561add166dfa6457de1158cd5bbc6404d6689337834f5ce2c6c7ebc0846679999
SHA1 hash: 844f4500e3335cf1da93ba2bd2f6853c23c0e198
MD5 hash: 9ea6f12332890b68bc782bdc6edf56f8
humanhash: seventeen-beer-jersey-louisiana
File name:PDF_ADJUNTO_613615401883763997495709975568_09982616226275914808755066_9325247141959196491528328396_5724162511852732_pdf.exe
Download: download sample
Signature RemcosRAT
File size:514'560 bytes
First seen:2020-08-13 07:43:40 UTC
Last seen:2020-08-13 09:02:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:VzWZtTbWA3DNnAjtn91Y1x7c/0iYOd9X54Grqpst5Z4dqp2AujKZciUVak:ox3RnAjGx7gF9X51rCsXcqQAumZzUVa
Threatray 763 similar samples on MalwareBazaar
TLSH EBB47A5CAAE89636D15EB27C95F0572D1E6C1801F821F2C258912B862D3B3F8D5F3EC6
Reporter abuse_ch
Tags:exe Outlook RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: NAM12-BN8-obe.outbound.protection.outlook.com
Sending IP: 40.92.21.15
From: info. Extracto <electromacltda51@outlook.es>
Subject: EXTRACTO SERFINANZA.
Attachment: PDF_ADJUNTO_613615401883763997495709975568_09982616226275914808755066_9325247141959196491528328396_5 (contains "PDF_ADJUNTO_613615401883763997495709975568_09982616226275914808755066_9325247141959196491528328396_5724162511852732_pdf.exe")

RemcosRAT C2:
recuperaciondecartera.website:6790

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Detected Remcos RAT
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 265243 Sample: 2732_pdf.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 43 recuperaciondecartera.website 2->43 49 Malicious sample detected (through community Yara rule) 2->49 51 Detected Remcos RAT 2->51 53 Yara detected Remcos RAT 2->53 55 3 other signatures 2->55 11 2732_pdf.exe 2 2->11         started        14 PXServiceNet.exe 2 2->14         started        16 PXServiceNet.exe 2 2->16         started        signatures3 process4 signatures5 57 Contains functionality to steal Chrome passwords or cookies 11->57 59 Contains functionality to capture and log keystrokes 11->59 61 Contains functionality to inject code into remote processes 11->61 63 Contains functionality to steal Firefox passwords or cookies 11->63 18 2732_pdf.exe 4 5 11->18         started        21 2732_pdf.exe 11->21         started        23 PXServiceNet.exe 14->23         started        25 PXServiceNet.exe 16->25         started        process6 file7 39 C:\Users\user\AppData\...\PXServiceNet.exe, PE32 18->39 dropped 41 C:\Users\...\PXServiceNet.exe:Zone.Identifier, ASCII 18->41 dropped 27 wscript.exe 1 18->27         started        process8 process9 29 cmd.exe 1 27->29         started        process10 31 PXServiceNet.exe 2 29->31         started        34 conhost.exe 29->34         started        signatures11 65 Machine Learning detection for dropped file 31->65 67 Contains functionality to steal Chrome passwords or cookies 31->67 69 Contains functionality to capture and log keystrokes 31->69 71 Contains functionality to steal Firefox passwords or cookies 31->71 36 PXServiceNet.exe 2 4 31->36         started        process12 dnsIp13 45 recuperaciondecartera.website 186.169.52.64, 49733, 49734, 49735 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 36->45 47 192.168.2.1 unknown unknown 36->47
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2020-08-13 07:45:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
rat family:remcos persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
recuperaciondecartera.website:6790
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
Author:abuse.ch
Rule name:win_remcos_auto
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

Executable exe 01725ebec49d4d44baf1ef214ac4475f7a2d13b284eaa756e41eb2fba4093d5e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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