MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 608ccbae2c8c4962a96eea034a796a354d781f172b33d3396836f141f3e50a27. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 608ccbae2c8c4962a96eea034a796a354d781f172b33d3396836f141f3e50a27
SHA3-384 hash: 740d38dc5a64aad24bd36630a75f57f0133336434467db0ff2c0d90f8e66bd1525272fde5e83c5c2bb2abcf9612e143a
SHA1 hash: c02cc5c472159b7e75000bc70c0a628bb672fc4a
MD5 hash: 4fad8663894501e5d1f1a0f574519a7c
humanhash: alanine-fanta-south-stream
File name:PO 16790-27OCT2020INV,pdf.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:841'392 bytes
First seen:2020-10-28 06:50:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:iqBsCOrtV8uOt0AbHxxXbhc9K2VQQQOKS8mt9VjW7:fk3VjW7
TLSH 5C05DA2D998415A3B133A676A0F54597BBA46DC67BF81C4B01C23B0939FAE033D9734E
Reporter abuse_ch
Tags:bat RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: s7.itlinkonline.com
Sending IP: 95.217.94.198
From: Pereira Azevedo <info9@zeppelin-la.com>
Subject: Nueva confirmación de pedido PO-1912679
Attachment: PO 16790-27OCT2020INV,pdf.iso (contains "PO 16790-27OCT2020INV,pdf.bat")

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80279/
Detection(s):
PUA.Win.Trojan.Generic-6629274-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514541
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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 domain / URL
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 signatures2 2 Behavior Graph ID: 306387 Sample: PO 16790-27OCT2020INV,pdf.bat Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 27 Multi AV Scanner detection for domain / URL 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus detection for dropped file 2->31 33 15 other signatures 2->33 6 PO 16790-27OCT2020INV,pdf.exe 1 4 2->6         started        10 vlc.exe 2->10         started        12 vlc.exe 1 2->12         started        process3 file4 21 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 6->21 dropped 35 Injects a PE file into a foreign processes 6->35 14 PO 16790-27OCT2020INV,pdf.exe 2 6->14         started        17 vlc.exe 10->17         started        19 vlc.exe 12->19         started        signatures5 process6 dnsIp7 23 newlogs.ddns.net 185.140.53.136, 1655, 49732 DAVID_CRAIGGG Sweden 14->23 25 192.168.2.1 unknown unknown 14->25
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/608ccbae2c8c4962a96eea034a796a354d781f172b33d3396836f141f3e50a27/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-27 16:34:48 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mcgmxlrmrrewfklo5ibuu6lkgvgxqhyxfmz5golig3yud47fbitq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201028-d52bc367we/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
newlogs.ddns.net:1655
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/608ccbae2c8c4962a96eea034a796a354d781f172b33d3396836f141f3e50a27

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: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 48429cee78cfa36990982a19a168f35e62b1988b0bf492a87e1db4ae9237a96a

RemcosRAT

Executable exe 608ccbae2c8c4962a96eea034a796a354d781f172b33d3396836f141f3e50a27

(this sample)

  
Dropped by
MD5 6c386348edc94f5c8c57c57a928bd60c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 48429cee78cfa36990982a19a168f35e62b1988b0bf492a87e1db4ae9237a96a
Cape
Cape
https://www.capesandbox.com/analysis/80279/

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