MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c709f3ff1715c6011d3b2f80423ae6819c470e494ffc361228c253ed99b173a3. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c709f3ff1715c6011d3b2f80423ae6819c470e494ffc361228c253ed99b173a3
SHA3-384 hash: 8a5c505c17d0f78f72cf7a3defc8429d4ffb67d548719e2551d5230c00b54566b64b761ce94e8746ecefd6f7c257b77d
SHA1 hash: 2f1eb40a5baf55aac12445dec804c254a2d29d4d
MD5 hash: 2bb8c5ca97c79d6a995f7b62c16d6d8c
humanhash: april-music-asparagus-paris
File name:New Required RFQ.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:736'256 bytes
First seen:2022-06-24 13:49:59 UTC
Last seen:2022-06-24 19:57:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:TOp7FRPTsII+pxQCl7w5w1nljwiZ5fJU1RimWXWi9EwDuXw/akfO5wmxYn5RUkyF:TObhTsua085w1lMEh+RjK9EQuXm5O5w4
Threatray 2'947 similar samples on MalwareBazaar
TLSH T19CF423A7E82F8A5FE12331365A15C17CEAFC072416485F3B1C1ABB580DE23D795C5AAC
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 9080c86077b65859 (1 x RemcosRAT)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/283066/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b5c10c1e58e5586604abfc/reports/e19763b4-8dfc-46d5-9817-07144caee533/overview
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f24e6d05-91b9-4786-95cc-8bf66bcbc299
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1019360
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Installs a global keyboard hook
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
Uses dynamic DNS services
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 651855 Sample: New Required RFQ.exe Startdate: 24/06/2022 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for dropped file 2->58 60 11 other signatures 2->60 7 New Required RFQ.exe 1 5 2->7         started        10 Lqtgnsy.exe 2 2->10         started        12 Lqtgnsy.exe 1 2->12         started        process3 file4 44 C:\Users\user\AppData\Roaming\...\Lqtgnsy.exe, PE32 7->44 dropped 46 C:\Users\user\...\Lqtgnsy.exe:Zone.Identifier, ASCII 7->46 dropped 48 C:\Users\user\...48ew Required RFQ.exe.log, ASCII 7->48 dropped 14 InstallUtil.exe 2 17 7->14         started        18 cmd.exe 1 7->18         started        20 cmd.exe 1 10->20         started        22 InstallUtil.exe 10->22         started        24 InstallUtil.exe 10->24         started        30 2 other processes 10->30 26 cmd.exe 1 12->26         started        28 InstallUtil.exe 12->28         started        process5 dnsIp6 50 blackwealth001.duckdns.org 192.3.152.173, 2356, 49780 AS-COLOCROSSINGUS United States 14->50 52 geoplugin.net 178.237.33.50, 49784, 80 ATOM86-ASATOM86NL Netherlands 14->52 62 Contains functionality to steal Chrome passwords or cookies 14->62 64 Contains functionality to inject code into remote processes 14->64 66 Contains functionality to steal Firefox passwords or cookies 14->66 68 2 other signatures 14->68 32 conhost.exe 18->32         started        34 timeout.exe 1 18->34         started        36 conhost.exe 20->36         started        38 timeout.exe 1 20->38         started        40 conhost.exe 26->40         started        42 timeout.exe 1 26->42         started        signatures7 process8
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c709f3ff1715c6011d3b2f80423ae6819c470e494ffc361228c253ed99b173a3/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-06-24 09:41:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
21 of 26 (80.77%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y4e7h7yxcxdachj3f6aeeoxgqgoeodsjj76dmeriyjj63gnroorq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0639a34ed8b8a0702daec2d05da6afdd33c6c41dc2bb9cb2537c247825843adf
RemcosRAT
1e3d5369ea28851f7013099f82d535b12e3e88c72ae190fdf571fb9beb9e0ace
RemcosRAT
5f37b5f63e3badceb3ea40bb2a6cef92e466410bebbf6864d6d4b5100b6114eb
RemcosRAT
9ea26ea3cf4034580c0c02f1ce4627887fd5a68e069a2c4189c8f253b5919842
RemcosRAT
a805af78c614b848a5eb091882ea4d5d84a248b7183c99bf32169dc2d1d3090c
RemcosRAT
bec0e99c27a1be5e7f2ad71f8ebf6153a71ad0026c7a102db8228ad0638c37fe
RemcosRAT
c208cb83639f1b0a5bac59a310c377fb31f7d7dae0084f557461b8d4312c81a6
RemcosRAT
db5081b362e1b639dadf98a1d8e7ff79f7a9dcaee67417795bec75b8897973a0
RemcosRAT
+ 2'937 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:mr kay persistence rat
Link:
https://tria.ge/reports/220624-q48ypsfdg4/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
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
Remcos
Malware Config
C2 Extraction:
blackwealth001.duckdns.org:2356
Unpacked files
SH256 hash:
c709f3ff1715c6011d3b2f80423ae6819c470e494ffc361228c253ed99b173a3
MD5 hash:
2bb8c5ca97c79d6a995f7b62c16d6d8c
SHA1 hash:
2f1eb40a5baf55aac12445dec804c254a2d29d4d
Link:
https://www.unpac.me/results/f4042b75-7a3a-4ecc-97f9-4c8b4f00cd60/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c709f3ff1715/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/c709f3ff1715c6011d3b2f80423ae6819c470e494ffc361228c253ed99b173a3

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:pe_imphash
Create hunting rule
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/283066/
  
URLhaus
https://urlhaus.abuse.ch/url/2249043/

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