MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b704ceb41947acea7cb7c2d1a5b3de33b25120728fec16b4d8b35fbaa05e5afb. 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 8 File information Comments

SHA256 hash: b704ceb41947acea7cb7c2d1a5b3de33b25120728fec16b4d8b35fbaa05e5afb
SHA3-384 hash: d6b91dff18ba116736b092267224c59f00d761e565bdc7259e91be631b3970105b13a3ba850122ccc0f08473fb0d0c51
SHA1 hash: 8c15e1383494fd9d2707f9a7db4def1f61ce74dd
MD5 hash: d14601bd941b6e2f26252e66c67d1869
humanhash: speaker-cat-kentucky-speaker
File name:ups file.exe
Download: download sample
Signature RemcosRAT
File size:249'344 bytes
First seen:2020-12-03 17:47:19 UTC
Last seen:2020-12-04 14:15:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c7040c6ac268cb017cb69498292bba8c (1 x RemcosRAT)
ssdeep 6144:Io/3PYXMYkLIAoeKdtEWol+zQ+riS16f:IotYdeKgCzQ+2q
Threatray 1'202 similar samples on MalwareBazaar
TLSH 1234E00672808872D86417341472DE70177BBF717E36B69B77C8372E5AB32E2546A38B
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: smtp5
Sending IP: 52.147.163.251
From: FedEX | Express Delivery <shippment@fedex.comm>
Subject: Shipping Arrival Notice
Attachment: Fedex Detail.img (contains "ups file.exe")

RemcosRAT C2s:
u875414.nsupdate.info
u875414.nvpn.to
u875414.ddns.net
u875414.duckdns.org

Intelligence


File Origin
# of uploads :
2
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a file
Running batch commands
Launching a process
Modifying an executable file
Enabling autorun by creating a file
Result
Gathering data
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
Drops executable to a common third party application directory
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.RemcosRAT
Status:
Malicious
First seen:
2020-12-03 17:48:07 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
u875414.nvpn.to:2404
u875414.duckdns.org:2404
u875414.ddns.net:2404
u875414.nsupdate.info:2404
Unpacked files
SH256 hash:
be34894d30c08b51e291900ca89052d14e105c827891515d3ea2e12f2da496b6
MD5 hash:
6e51feaea5078dac063ede37778b996e
SHA1 hash:
46a7bb4e86648088ee3d66de2680d37385593c62
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
b704ceb41947acea7cb7c2d1a5b3de33b25120728fec16b4d8b35fbaa05e5afb
MD5 hash:
d14601bd941b6e2f26252e66c67d1869
SHA1 hash:
8c15e1383494fd9d2707f9a7db4def1f61ce74dd
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:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
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 b704ceb41947acea7cb7c2d1a5b3de33b25120728fec16b4d8b35fbaa05e5afb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments