MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 659b0da98e348344d29abb19796211921453463c9a8c61649ef193171ff4a2c0. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 659b0da98e348344d29abb19796211921453463c9a8c61649ef193171ff4a2c0
SHA3-384 hash: de9c3da5a9811d811cc809c1ca9055cee32022d6dec98315eeb67ec537b3233643e06f494a9d59b4297d2304408a98eb
SHA1 hash: a6c4b2af878282bd2da7fecbb3e4b71fee56ddfd
MD5 hash: 594666f8f7f480e13468d85767e685f4
humanhash: coffee-king-cup-illinois
File name:Payment-Advice-Note from 12-10-2020.exe
Download: download sample
Signature RemcosRAT
File size:521'728 bytes
First seen:2020-10-12 14:44:50 UTC
Last seen:2020-10-13 02:44:02 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 12288:77C2I/u2ZpZ/dsm/T2mDIhT9DOLU2FszoGLLxsz:7RitpMm/TshxDOLUIys
Threatray 814 similar samples on MalwareBazaar
TLSH B8B4F1313788EB67D17D93BD1829500427F1F0A6EB26D71ABC9980AC1676F85C7B2B13
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: barry-callebaut.com
Sending IP: 37.49.225.237
From: ap_queries_switzerland@barry-callebaut.com
Subject: Payment Advice Note from 12.10.2020
Attachment: Payment-Advice-Note from 12-10-2020.gz (contains "Payment-Advice-Note from 12-10-2020.exe")

Intelligence


File Origin
# of uploads :
4
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Forced shutdown of a system process
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-12 14:30:23 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
rat family:remcos
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Unpacked files
SH256 hash:
659b0da98e348344d29abb19796211921453463c9a8c61649ef193171ff4a2c0
MD5 hash:
594666f8f7f480e13468d85767e685f4
SHA1 hash:
a6c4b2af878282bd2da7fecbb3e4b71fee56ddfd
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
SH256 hash:
8fe74c2d18f57d89497b3c9170873c4da5fb3b4bf00f9dca10c32121eaa57dca
MD5 hash:
74ebdb8e4706b547ee9ddea4445cdb54
SHA1 hash:
6648e3dbc84fab30e1b9a543d429be076fe53cfe
SH256 hash:
f8399892badc4d8a492ad02e24adcc5a5efe97eb979516745443c8220318bb5f
MD5 hash:
b8fb9793df8131f5a9a5b782bb71be6a
SHA1 hash:
cfe17bd48c8e2d45fd5c396ad05faa9f56662a45
SH256 hash:
d4403b97ab8c2610b4672f44a03e6e294959eaff694cb26b096225ad3b726097
MD5 hash:
2a6b208b14494c2fb0a825dc97efbc99
SHA1 hash:
012a08672a4b2f66ec1403715d764fbc44b7355e
Detections:
win_remcos_g0 win_remcos_auto
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:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
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 659b0da98e348344d29abb19796211921453463c9a8c61649ef193171ff4a2c0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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