MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fba3d4ba50f90278e79e343a17fed702332df04a787dfcfdcd31e000bf32f79b. 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 9 File information Comments

SHA256 hash: fba3d4ba50f90278e79e343a17fed702332df04a787dfcfdcd31e000bf32f79b
SHA3-384 hash: 8682f206406038bded14f0fd5629800d64af56634cce22a6b4154686ae19788cd350ad5260617f26a9c96e6df311230a
SHA1 hash: c4a7a7a295d27b31a3e99cba93f66f29b8c3000a
MD5 hash: 5c5c0519fcc82830d86621b4c6ccd9ae
humanhash: uncle-football-nuts-yellow
File name:20082020141903,pdf.exe
Download: download sample
Signature RemcosRAT
File size:730'368 bytes
First seen:2021-02-01 09:09:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 24a535ed8116cc9ffb1d6169e0ad68d3 (6 x RemcosRAT, 3 x Loki)
ssdeep 12288:zisrdZXlPa+jC/V3oFVaUHq8K1Ly6Mx+QXX1x6tvz:zb59jC/VQaqqbnM4QVqz
Threatray 1'505 similar samples on MalwareBazaar
TLSH 73F46C75A1601636F066B7B8ED0A0AE866967D3F3D145F44D6E95ACB0B2F6C03C4A03F
Reporter abuse_ch
Tags:exe nVpn RAT RemcosRAT


Avatar
abuse_ch
Malspam distributing RemcosRAT:

HELO: cyberwave2.quape.com
Sending IP: 103.69.130.164
From: UNIMETAL Sp. z o. o <marketing4@unimetal.pl>
Subject: RE: ORDER ENQUIRY
Attachment: 20082020141903,pdf.iso (contains "20082020141903,pdf.exe")

RemcosRAT C2:
zubby2468.hopto.org:8905 (185.140.53.131)

Pointing to 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-EU
country: EU
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: 2020-11-06T23:02:44Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
114
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20082020141903,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-01 09:13:35 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2021-02-01 09:10:08 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Unpacked files
SH256 hash:
c7385cf608325b7521aec35e1cc1d096ee6d1523f06677ee9761d5b52e9e56b6
MD5 hash:
7f252ebbd7f09b34f16e03f806db27c0
SHA1 hash:
c44771e4a7123d45261b0a87851f69f8c9d6eef6
SH256 hash:
fba3d4ba50f90278e79e343a17fed702332df04a787dfcfdcd31e000bf32f79b
MD5 hash:
5c5c0519fcc82830d86621b4c6ccd9ae
SHA1 hash:
c4a7a7a295d27b31a3e99cba93f66f29b8c3000a
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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.

a21d6e7b405d7f172498d02ab4fe845c

RemcosRAT

Executable exe fba3d4ba50f90278e79e343a17fed702332df04a787dfcfdcd31e000bf32f79b

(this sample)

  
Dropped by
MD5 a21d6e7b405d7f172498d02ab4fe845c
  
Delivery method
Distributed via e-mail attachment

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