MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3046f4936768d0adbba0cd8437d16dc20468161761ed2e8b3200dbf00a9d085f. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3046f4936768d0adbba0cd8437d16dc20468161761ed2e8b3200dbf00a9d085f
SHA3-384 hash: c027131b78538b66a6b4b6bff2ed0e6d4fa6f3b161370346fcef2c46267ec9a6a71837c6e61d5db00915d0a0a958740e
SHA1 hash: 305c1cea0c404046d342467b22b94ff2543fb5a4
MD5 hash: e806797bc4f59ce00ab3eaa0793721db
humanhash: india-bulldog-fillet-tango
File name:e806797bc4f59ce00ab3eaa0793721db
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:480'768 bytes
First seen:2022-08-23 11:43:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSpn9:uiLJbpI7I2WhQqZ7p9
Threatray 1'701 similar samples on MalwareBazaar
TLSH T132A4AE02BAD2C072D57161344D2AE735DABDBD202835997BB3E61D5BFD30180A73A7B2
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
FACTURE.LNK.lnk
Verdict:
Malicious activity
Analysis date:
2022-08-22 11:12:31 UTC
Tags:
opendir loader keylogger remcos
Link:
https://app.any.run/tasks/81a61b08-a4af-4ac3-a260-de6c017bb2b6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/300502/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
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
Setting a keyboard event handler
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %AppData% directory
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
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/29762/overview
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe fingerprint greyware keylogger rat shell32.dll
Link:
https://www.filescan.io/uploads/6304bd91c9bbd990978af94e/reports/b98b2f58-d99f-4157-9f03-430ab03b9df5/overview
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/490302bd-691e-4f97-9ca7-f3ce33e24bd5
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1056427
Signature
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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found evasive API chain (may stop execution after checking mutex)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 688951 Sample: tUwBJYkwbL Startdate: 23/08/2022 Architecture: WINDOWS Score: 100 39 securewebareaxxx.ddns.net 2->39 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 7 other signatures 2->51 10 tUwBJYkwbL.exe 5 5 2->10         started        14 vlc.exe 2->14         started        16 vlc.exe 2->16         started        18 vlc.exe 2->18         started        signatures3 process4 file5 33 C:\ProgramData\vlc\vlc.exe, PE32 10->33 dropped 35 C:\Users\user\AppData\Local\...\install.vbs, data 10->35 dropped 37 C:\ProgramData\vlc\vlc.exe:Zone.Identifier, ASCII 10->37 dropped 61 Contains functionality to steal Chrome passwords or cookies 10->61 63 Contains functionality to steal Firefox passwords or cookies 10->63 65 Delayed program exit found 10->65 20 wscript.exe 1 10->20         started        signatures6 process7 process8 22 cmd.exe 1 20->22         started        process9 24 vlc.exe 3 4 22->24         started        28 conhost.exe 22->28         started        dnsIp10 41 securewebareaxxx.ddns.net 184.75.221.195, 22614 AMANAHA-NEWCA Canada 24->41 43 192.168.2.1 unknown unknown 24->43 53 Antivirus detection for dropped file 24->53 55 Multi AV Scanner detection for dropped file 24->55 57 Machine Learning detection for dropped file 24->57 59 3 other signatures 24->59 30 svchost.exe 24->30         started        signatures11 process12 signatures13 67 Found evasive API chain (may stop execution after checking mutex) 30->67 69 Contains functionality to steal Chrome passwords or cookies 30->69 71 Contains functionality to steal Firefox passwords or cookies 30->71 73 Delayed program exit found 30->73
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3046f4936768d0adbba0cd8437d16dc20468161761ed2e8b3200dbf00a9d085f/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-22 17:29:00 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gbdpje3hndik3o5azwcdpulnyicgqfqxmhws5czsadn7acu5bbpq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
remcos
Create hunting rule
Similar samples:
0dde1567eda7e12596be12b1fcd97acc8ad69a57bb75ce5db2d01ab64448688d
RemcosRAT
146e9314dabcad733e15ab5e796c53fda2be2b34ea00a0bc03efda9ea674202f
RemcosRAT
2cf1525cdb58ec9e5d47e5c66619b9cf2966155ece68a66e9bf935369971ccdc
RemcosRAT
317977d99bebf5f65a24d6460fa2f98f5e875d1f85f12a430acb69f8dd3dfbdf
RemcosRAT
4177cb74219e4ff3d5453eba44a7a0c149591bd3b4eadfe52972567f317d40c3
RemcosRAT
48314117e5493bccb28e725127c549cfd413c643641bca8c3cf14ccf686638f8
RemcosRAT
549fe9a927aac026017a15738e4e4f82ec626a4396472eed653095cbe760a79a
RemcosRAT
ae5e7a411b4e6dcc818f5f8ab9aa345b0203c834545e188f1518bdc3ba846235
RemcosRAT
cd5f1820af33d2e6f034ca088a5fd83592835c722aca63d9f4912ea2e7996d00
RemcosRAT
ec0a3b7d3636b52ae025418ec21669e06c30f58930f11303571a2af6993ef365
RemcosRAT
+ 1'691 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:svchost collection persistence rat spyware stealer
Link:
https://tria.ge/reports/220823-nv6e4shab4/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
184.75.221.195:22614
securewebareaxxx.ddns.net:22614
Unpacked files
SH256 hash:
3046f4936768d0adbba0cd8437d16dc20468161761ed2e8b3200dbf00a9d085f
MD5 hash:
e806797bc4f59ce00ab3eaa0793721db
SHA1 hash:
305c1cea0c404046d342467b22b94ff2543fb5a4
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/3c899e36-9816-4898-adac-5d97d3b60e9a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3046f4936768/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/3046f4936768d0adbba0cd8437d16dc20468161761ed2e8b3200dbf00a9d085f

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
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 3046f4936768d0adbba0cd8437d16dc20468161761ed2e8b3200dbf00a9d085f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2275925/
  
URLhaus
https://urlhaus.abuse.ch/url/2275991/
Cape
Cape
https://www.capesandbox.com/analysis/300502/
  
URLhaus
https://urlhaus.abuse.ch/url/2275918/

Comments


Avatar
zbet commented on 2022-08-23 11:43:48 UTC

url : hxxp://37.139.129.142/htdocs/rKFGEfToHBHpqNG.exe