MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45cb9ab8653a8f84e7f9a47dd17d48bea5a2ad8bc06e81e8c3f8415ae23fe465. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 45cb9ab8653a8f84e7f9a47dd17d48bea5a2ad8bc06e81e8c3f8415ae23fe465
SHA3-384 hash: 6084674fdc08b741a8984b76472ecd32bd06418215929094e58f6aa2f91139902c5ee13950370b4f518ec2fd0bd7d571
SHA1 hash: 8b3ccb51ca9e60627cbb705f88a4b4ddc14105c5
MD5 hash: 58dda0e31ec30c6409baaafc112e94b3
humanhash: wisconsin-nitrogen-undress-london
File name:RFQ-SC-DSTPS-3-pdf.exe
Download: download sample
Signature RemcosRAT
File size:588'288 bytes
First seen:2020-07-19 09:12:10 UTC
Last seen:2020-07-19 09:59:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 335a7ffe81574e54c66fb8c5bf7dee3a (2 x AgentTesla, 1 x RemcosRAT, 1 x MassLogger)
ssdeep 12288:vJAmXIijOdiBbgCORh0WsmNg3PGGKotWWWP:GmI/Kngb0PGVMWWWP
Threatray 917 similar samples on MalwareBazaar
TLSH 22C48D22E6E34832D172DA7C9C5B57BC9836BD10392958872FE45F4C5F39683386B293
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: new.dtco-qatar.com
Sending IP: 66.84.9.24
From: ppadikkal@ccc.net
Reply-To: ppadikkal@ccc.net <xin.xin01@mail.ru>
Subject: PROJECT: Design & Build of Doha South Terminal Pumping Station
Attachment: RFQ-SC-DSTPS-3-pdf.zip (contains "RFQ-SC-DSTPS-3-pdf.exe")

RemcosRAT C2:
185.140.53.5:6642

Hosted on nVpn:

% Information related to '185.140.53.0 - 185.140.53.255'

% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'

inetnum: 185.140.53.0 - 185.140.53.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-BE-NL4
country: EU
descr: Zaventem, Belgium
descr: Amsterdam, Netherlands
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-07-16T21:16:41Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Connection attempt to an infection source
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247010 Sample: RFQ-SC-DSTPS-3-pdf.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 8 other signatures 2->55 9 RFQ-SC-DSTPS-3-pdf.exe 2->9         started        12 chrome.exe 2->12         started        14 chrome.exe 2->14         started        process3 signatures4 61 Detected unpacking (changes PE section rights) 9->61 63 Detected unpacking (overwrites its own PE header) 9->63 65 BOT functionalities found, sample is likely a BOT 9->65 69 6 other signatures 9->69 16 RFQ-SC-DSTPS-3-pdf.exe 1 5 9->16         started        67 Maps a DLL or memory area into another process 12->67 19 chrome.exe 12->19         started        21 chrome.exe 14->21         started        process5 file6 39 C:\Users\user\AppData\Roaming\...\chrome.exe, PE32 16->39 dropped 41 C:\Users\user\...\chrome.exe:Zone.Identifier, ASCII 16->41 dropped 23 cmd.exe 1 16->23         started        process7 signatures8 59 Uses ping.exe to sleep 23->59 26 chrome.exe 23->26         started        29 PING.EXE 1 23->29         started        32 conhost.exe 23->32         started        process9 dnsIp10 71 Multi AV Scanner detection for dropped file 26->71 73 Detected unpacking (changes PE section rights) 26->73 75 Detected unpacking (overwrites its own PE header) 26->75 77 7 other signatures 26->77 34 chrome.exe 1 3 26->34         started        47 127.0.0.1 unknown unknown 29->47 signatures11 process12 dnsIp13 45 185.140.53.5, 49718, 6642 DAVID_CRAIGGG Sweden 34->45 43 C:\Users\user\AppData\Roaming\...\logs.dat, ASCII 34->43 dropped 57 Installs a global keyboard hook 34->57 file14 signatures15
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-07-19 06:48:50 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
persistence rat family:remcos
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
185.140.53.5:6642
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: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 45cb9ab8653a8f84e7f9a47dd17d48bea5a2ad8bc06e81e8c3f8415ae23fe465

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments