MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4573443acbca7a1f829d721f95c2944a6a2ddd97a4bf484fd993f748d298b285. 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
| SHA256 hash: | 4573443acbca7a1f829d721f95c2944a6a2ddd97a4bf484fd993f748d298b285 |
|---|---|
| SHA3-384 hash: | 33025df8815ea75da01cd64c51f7d0845e5d462fb34407683a07e77fba4c2ce64e8ff6dbe58f29750aaee01be811d863 |
| SHA1 hash: | 687b26e24d9bf836674ea0dbb82f47f38a7dd74d |
| MD5 hash: | b9f6829c06d90ae2987a7d4beb4ebf5d |
| humanhash: | connecticut-xray-bakerloo-mexico |
| File name: | Quotation.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 722'192 bytes |
| First seen: | 2021-01-20 06:55:53 UTC |
| Last seen: | 2021-01-20 08:28:38 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5064414005440c05f6346292b90ee3f2 (7 x RemcosRAT, 3 x Loki, 2 x ModiLoader) |
| ssdeep | 12288:KNx7I7LYl/9l89x3hemQ4pYut1QocOcqwqsp/Qfo:Kjl/9l+x31QcHGOcq1sp/Uo |
| Threatray | 1'519 similar samples on MalwareBazaar |
| TLSH | 51E44B22BEE14932D1FB16395F5B9EF49C2DBEC12938585A6BE97C0C8F352403839167 |
| Reporter |  abuse_ch |
| Tags: | exe nVpn RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: vps.ardepcare.com
Sending IP: 203.159.80.5
From: office@ardepcare.com
Subject: RE: Request for quotation-/ Russia
Attachment: Quotation.rar (contains "Quotation.exe")
RemcosRAT C2:
whatgodcannotdodoestnotexist.duckdns.org:2559 (185.140.53.154)
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 :
2
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2021-01-20 07:01:31 UTC
Tags:
trojan rat remcos keylogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
DNS request
Creating a file
Deleting a recently created file
Launching a process
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Result
Verdict:
UNKNOWN
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:
Remcos
Detection:
malicious
Classification:
rans.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 register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Initial sample is a PE file and has a suspicious name
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)
Sigma detected: Remcos
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2021-01-20 06:56:05 UTC
AV detection:
9 of 43 (20.93%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'509 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:modiloader family:remcos persistence rat
Behaviour
Modifies system certificate store
Script User-Agent
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
whatgodcannotdodoestnotexist.duckdns.org:2559
Unpacked files
SH256 hash:
4573443acbca7a1f829d721f95c2944a6a2ddd97a4bf484fd993f748d298b285
MD5 hash:
b9f6829c06d90ae2987a7d4beb4ebf5d
SHA1 hash:
687b26e24d9bf836674ea0dbb82f47f38a7dd74d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Cryptor
Score:
0.80
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.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.