MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56b9e1a9f0704305007504a26661905930387fc49d0fb0f9938d28fd1d46e60a. 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: 16


Intelligence 16 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 56b9e1a9f0704305007504a26661905930387fc49d0fb0f9938d28fd1d46e60a
SHA3-384 hash: 38e6187ed866f6abe9e3fa98995691d76549871881741278e999e9f05ed5e2ab8f0a1d54a30b595157af872cca51b408
SHA1 hash: d972b5f0d29ebd6db596c607434bf930ab822d48
MD5 hash: da88c3cc6dbd042b0971b5951d6fb5f4
humanhash: idaho-butter-item-london
File name:f6x8LJCP.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:131'072 bytes
First seen:2022-08-10 19:47:26 UTC
Last seen:2022-08-10 19:49:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8e1d7c4c0e5c9fb5296d3d9bb137a25e (10 x RemcosRAT)
ssdeep 3072:3bD9fB6vOkQo7pXTu7i0xHj39kzLQx5/rbyxKyMjOpzmmrzqhy61al:LD9fBCOk97BuO0xHjlyxKyMj01rzqhy6
Threatray 2'148 similar samples on MalwareBazaar
TLSH T1CCD3E827766A81A3E86141B053607F628DFCFC76CA095D93D3C5C0811DB4EC6E16ABBB
TrID 38.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.0% (.EXE) Win64 Executable (generic) (10523/12/4)
8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon d4a22b2e0792f0f0 (16 x RemcosRAT, 1 x NetWire)
Reporter pmelson
Tags:exe Remcos RAT 3.x RemcosRAT

Intelligence

File Origin
# of uploads :
4
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
f6x8LJCP.exe
Verdict:
Malicious activity
Analysis date:
2022-08-10 19:49:49 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/e5a2b723-3229-4043-8446-645f118581be

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/297735/
Detection(s):
Win.Trojan.Remcos-9752328-1
Create hunting rule

Win.Trojan.Remcos-9763891-0
Create hunting rule

Win.Trojan.Remcos-9841897-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Launching a service
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Running batch commands
Launching a process
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/28554/overview
Behaviour
MalwareBazaar
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3c7dec36-2860-47c3-98c9-9b25646be239
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1049462
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Deletes itself after installation
Detected Remcos RAT
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 681952 Sample: f6x8LJCP.exe Startdate: 10/08/2022 Architecture: WINDOWS Score: 100 38 2.tcp.ngrok.io 2->38 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 8 other signatures 2->54 10 f6x8LJCP.exe 4 5 2->10         started        14 defender.exe 2->14         started        16 defender.exe 2->16         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\defender.exe, PE32 10->32 dropped 34 C:\Users\...\defender.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\...\install.vbs, data 10->36 dropped 64 Contains functionalty to change the wallpaper 10->64 66 Contains functionality to steal Chrome passwords or cookies 10->66 68 Contains functionality to capture and log keystrokes 10->68 70 2 other signatures 10->70 18 wscript.exe 1 10->18         started        signatures6 process7 signatures8 46 Deletes itself after installation 18->46 21 cmd.exe 1 18->21         started        process9 process10 23 defender.exe 4 6 21->23         started        27 conhost.exe 21->27         started        dnsIp11 40 13.59.15.185, 17041, 49757, 49758 AMAZON-02US United States 23->40 42 3.128.107.74, 17041, 49791, 49806 AMAZON-02US United States 23->42 44 4 other IPs or domains 23->44 56 Antivirus detection for dropped file 23->56 58 Multi AV Scanner detection for dropped file 23->58 60 Contains functionalty to change the wallpaper 23->60 62 8 other signatures 23->62 29 svchost.exe 23->29         started        signatures12 process13 signatures14 72 Contains functionalty to change the wallpaper 29->72 74 Contains functionality to steal Chrome passwords or cookies 29->74 76 Contains functionality to capture and log keystrokes 29->76 78 Contains functionality to steal Firefox passwords or cookies 29->78
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/56b9e1a9f0704305007504a26661905930387fc49d0fb0f9938d28fd1d46e60a/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-10 19:48:08 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k246dkpqobbqkadvasrgmymqleydq76etuh3b6mtruup2hkg4yfa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0769c1487705fd65aeacdd813882e532d3bbd4ffa7106a2015bac448d8091bbb
RemcosRAT
0b7eaab988ec406ce0b6df31d9abdc68e535c529c6ac5b5a5c9deb4e4fbe6611
RemcosRAT
3070ba52a9be47b5dfa4088095f0f35827a3cc12590cf3a30082e2021b2cf956
RemcosRAT
4579780c18fb273fd0884237c7a4021dbbb38494194d8c1840449e8a62d29251
RemcosRAT
4fe8c8398a6cf30cfd7cbed590de821abdb40aa177781c43c19bdfec75308355
RemcosRAT
522a495b289cf22898f762f18571b8839194e6232cb80fbb28dc426cbeeee323
RemcosRAT
833b575dac3a049ede0d27e2ff801d2e8d647cf04006f0037e1a9c71d7c8ace4
RemcosRAT
ab9041fe7e0a4a439521d6eb01cc16d74c00a0427c86b067120ac453ba7329d9
RemcosRAT
c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
RemcosRAT
cee5cdde8972799268ab97a77880793470dfc0d93c5e697bb66f83b6675f51ba
RemcosRAT
+ 2'138 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:defender persistence rat spyware stealer
Link:
https://tria.ge/reports/220810-yh4e4agcb7/
Behaviour
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
2.tcp.ngrok.io:17041
Unpacked files
SH256 hash:
56b9e1a9f0704305007504a26661905930387fc49d0fb0f9938d28fd1d46e60a
MD5 hash:
da88c3cc6dbd042b0971b5951d6fb5f4
SHA1 hash:
d972b5f0d29ebd6db596c607434bf930ab822d48
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/ce0fba5d-43ec-455d-9ed6-668afd5732bd/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/56b9e1a9f070/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/56b9e1a9f0704305007504a26661905930387fc49d0fb0f9938d28fd1d46e60a

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
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:SUSP_VBS_Wscript_Shell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 56b9e1a9f0704305007504a26661905930387fc49d0fb0f9938d28fd1d46e60a

(this sample)

  
Link
https://www.virustotal.com/gui/file/56b9e1a9f0704305007504a26661905930387fc49d0fb0f9938d28fd1d46e60a/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/297735/

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