MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdd8f37906415bcb5b8b541376358b07517afea5cefd379b279f75155a4cdb1a. 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: 8


Intelligence 8 IOCs YARA 10 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bdd8f37906415bcb5b8b541376358b07517afea5cefd379b279f75155a4cdb1a
SHA3-384 hash: cedac2f70b5c61358678b8e8ade0573cba4aab17d3a258d377ddcf4e42d7a9a8153dd27418aa89a051a80ab91c459780
SHA1 hash: d9a23ea738c61cfd87b04d2ac1bc44eb1d27be2f
MD5 hash: 297dc90d62648d3f034db5ebb2e583f7
humanhash: east-hamper-violet-avocado
File name:297dc90d62648d3f034db5ebb2e583f7
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:3'742'080 bytes
First seen:2023-09-15 03:48:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b94eccd5d977b94e2c3f084d2f0a688e (1 x RemcosRAT)
ssdeep 49152:z8yrd6DUAUw45Id0f1uN1SMOiHxcGbNqpxDKbLT6x7HvGRZx:QyYUAUw45INZHxHkdKeG9
TLSH T1D2068D12B68548A2D7D501B1CC6AE73A5739BB1C07F249F3B2982DE93D311E33B36646
TrID 88.3% (.CPL) Windows Control Panel Item (generic) (197083/11/60)
4.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.0% (.EXE) Win32 Executable (generic) (4505/5/1)
0.9% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ccccd4ccd4ccccd4 (1 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
297dc90d62648d3f034db5ebb2e583f7
Verdict:
No threats detected
Analysis date:
2023-09-15 03:50:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d90b039a-ef42-4a98-b559-2a3bfd348ffe

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/448737/
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug control greyware lolbin overlay packed remcos shell32 tracker
Link:
https://www.filescan.io/uploads/6503d43369c1cf3b6ab64a8d/reports/d1c25613-949e-4793-b940-21c9b1551fff/overview
Verdict:
Suspicious
Labled as:
BScope.Backdoor
Link:
https://www.hybrid-analysis.com/sample/bdd8f37906415bcb5b8b541376358b07517afea5cefd379b279f75155a4cdb1a
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a8eca6bf-fc65-47a8-9dd9-a32d92430b65
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308691
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contain functionality to detect virtual machines
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
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
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1308691 Sample: VqBVE8dJEA.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 7 other signatures 2->61 8 VqBVE8dJEA.exe 12 2->8         started        12 ManyCam.exe 1 2->12         started        process3 dnsIp4 49 ipv4.imgur.map.fastly.net 146.75.28.193, 443, 49712 SCCGOVUS Sweden 8->49 51 wwf.org 104.18.6.142, 443, 49710 CLOUDFLARENETUS United States 8->51 53 2 other IPs or domains 8->53 41 C:\Users\user\AppData\...\highgui099.dll, PE32 8->41 dropped 43 C:\Users\user\AppData\...\cximagecrt.dll, PE32 8->43 dropped 45 C:\Users\user\AppData\...\cxcore099.dll, PE32 8->45 dropped 47 4 other files (3 malicious) 8->47 dropped 15 ManyCam.exe 1 8->15         started        71 Maps a DLL or memory area into another process 12->71 18 cmd.exe 2 12->18         started        21 pcaui.exe 12->21         started        file5 signatures6 process7 file8 73 Contain functionality to detect virtual machines 15->73 75 Maps a DLL or memory area into another process 15->75 23 cmd.exe 4 15->23         started        27 pcaui.exe 15->27         started        37 C:\Users\user\AppData\Local\...\hqwohppjiane, PE32 18->37 dropped 77 Injects code into the Windows Explorer (explorer.exe) 18->77 79 Writes to foreign memory regions 18->79 29 conhost.exe 18->29         started        31 explorer.exe 18->31         started        signatures9 process10 file11 39 C:\Users\user\AppData\Local\Temp\xdu, PE32 23->39 dropped 63 Injects code into the Windows Explorer (explorer.exe) 23->63 65 Writes to foreign memory regions 23->65 67 Found hidden mapped module (file has been removed from disk) 23->67 69 Maps a DLL or memory area into another process 23->69 33 conhost.exe 23->33         started        35 explorer.exe 23->35         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bdd8f37906415bcb5b8b541376358b07517afea5cefd379b279f75155a4cdb1a/
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2023-09-14 17:51:51 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xxmpg6igifn4ww4lkqjxmnmla5ixv7vfz36tpgzht52rkwsm3mna._file
Verdict:
unknown
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:nuevos 2023 septiembre 14 rat
Link:
https://tria.ge/reports/230915-edca9sbc97/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Remcos
Suspicious use of NtCreateUserProcessOtherParentProcess
Malware Config
C2 Extraction:
servicios.disenospublici.info:5507
Unpacked files
SH256 hash:
bdd8f37906415bcb5b8b541376358b07517afea5cefd379b279f75155a4cdb1a
MD5 hash:
297dc90d62648d3f034db5ebb2e583f7
SHA1 hash:
d9a23ea738c61cfd87b04d2ac1bc44eb1d27be2f
Link:
https://www.unpac.me/results/6310dd73-9ada-4d7b-9b8a-85005d2594a7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.02
Link:
https://yomi.yoroi.company/submissions/bdd8f37906415bcb5b8b541376358b07517afea5cefd379b279f75155a4cdb1a

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants

File information

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

Web download

RemcosRAT

Executable exe bdd8f37906415bcb5b8b541376358b07517afea5cefd379b279f75155a4cdb1a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2711658/
Cape
Cape
https://www.capesandbox.com/analysis/448737/

Comments


Avatar
zbet commented on 2023-09-15 03:48:17 UTC

url : hxxp://subirfact.com/desktopditor.exe