MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6f212246be3ab7db2cede2e87d8d465261ca8f44a86c7ca90cb8238bafed887f. 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: | 6f212246be3ab7db2cede2e87d8d465261ca8f44a86c7ca90cb8238bafed887f |
|---|---|
| SHA3-384 hash: | 9605d446f7a702758764af00fb57960a57ead03c4f6d57d1e13ac8093d4c612c242047f52c8b6d88cf5cf028d82e7d0b |
| SHA1 hash: | 3d83c34257b964adae2cba6029a7d4e5b6e2ceaf |
| MD5 hash: | 8f4286a5ec8f3abfb5d4c892f66c7cca |
| humanhash: | seven-dakota-kilo-oven |
| File name: | Qyyfrnva_Signed_.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 668'432 bytes |
| First seen: | 2021-01-21 06:19:42 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5064414005440c05f6346292b90ee3f2 (7 x RemcosRAT, 3 x Loki, 2 x ModiLoader) |
| ssdeep | 12288:8Nx7I7LYl/9l89x3hemQ4pYut1QocOcqGqspk7o:8jl/9l+x31QcHGOcqDspso |
| Threatray | 1'494 similar samples on MalwareBazaar |
| TLSH | 1EE48E27E2E04937D17B26795C5B9764AC35BE013E38988A6FE53C4C8F3935134392A7 |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: vps.pmt.co.id
Sending IP: 43.229.85.232
From: IRS <e-service@irs.com>
Subject: E-file Provider Services
Attachment: Qyyfrnva_Signed.img (contains "Qyyfrnva_Signed_.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Qyyfrnva_Signed_.exe
Verdict:
Malicious activity
Analysis date:
2021-01-21 06:26:15 UTC
Tags:
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
DNS request
Sending a custom TCP request
Creating a file
Sending a UDP request
Deleting a recently created file
Launching a process
Connection attempt
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
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 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
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Delf
Status:
Malicious
First seen:
2021-01-21 06:20:10 UTC
AV detection:
19 of 46 (41.30%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'484 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
Unpacked files
SH256 hash:
6f212246be3ab7db2cede2e87d8d465261ca8f44a86c7ca90cb8238bafed887f
MD5 hash:
8f4286a5ec8f3abfb5d4c892f66c7cca
SHA1 hash:
3d83c34257b964adae2cba6029a7d4e5b6e2ceaf
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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
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