MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6653d6fb54f51870c3c9bc33e04ffe4a855c1886f3b2f328c2ca7ba5e1f088cf. 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


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6653d6fb54f51870c3c9bc33e04ffe4a855c1886f3b2f328c2ca7ba5e1f088cf
SHA3-384 hash: 4b63b904eccbf4c1c479696561e3452525c377eb4882c18956fe6e0afa9e4ac7e79a2574ed15b7f69cad715ffe4757d3
SHA1 hash: eaba42910a33de266a6347ca7ad4573912145b25
MD5 hash: ceb178a1032f5d768e321db28db24d88
humanhash: speaker-north-texas-magnesium
File name:ceb178a1032f5d768e321db28db24d88.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:484'782 bytes
First seen:2021-10-08 11:47:34 UTC
Last seen:2021-10-08 13:18:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:F8LxBsp/L9OZEkauXnKd4523PghbshJuzFF9/m0Yb6P915E3cTd7n0BWCZm+B8CL:/pj+9auXn3so9m0YmP7tdr0zZzvWXOi+
TLSH T175A42312D1C528CAF64E85B4163F36DC727FA8094323540F93E14FA66DBA6670E3629B
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ceb178a1032f5d768e321db28db24d88.exe
Verdict:
Malicious activity
Analysis date:
2021-10-08 11:49:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4e9acb3f-67df-44ee-8261-2e2c37017732

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/196133/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.17146.19136.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61602ff698a6280f3934793c/reports/9de25c7a-00e5-4411-89cc-3d4e42601e21/overview
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/867041
Signature
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
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 an undocumented autostart registry key
Delayed program exit found
Deletes itself after installation
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicious Svchost Process
Sigma detected: WScript or CScript Dropper
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 499468 Sample: GT7LdgfsBD.exe Startdate: 08/10/2021 Architecture: WINDOWS Score: 100 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Detected Remcos RAT 2->69 71 8 other signatures 2->71 10 GT7LdgfsBD.exe 17 2->10         started        14 Dlls.exe 16 2->14         started        process3 file4 51 C:\Users\user\AppData\Local\Temp\...\unyv.dll, PE32 10->51 dropped 85 Contains functionalty to change the wallpaper 10->85 87 Contains functionality to steal Chrome passwords or cookies 10->87 89 Contains functionality to inject code into remote processes 10->89 93 2 other signatures 10->93 16 GT7LdgfsBD.exe 6 5 10->16         started        20 svchost.exe 10->20         started        53 C:\Users\user\AppData\Local\Temp\...\unyv.dll, PE32 14->53 dropped 55 C:\Users\user\AppData\...\h9n8zcm2vnjiej, COM 14->55 dropped 91 Injects a PE file into a foreign processes 14->91 22 Dlls.exe 14->22         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\Dlls.exe, PE32 16->43 dropped 45 C:\Users\user\...\Dlls.exe:Zone.Identifier, ASCII 16->45 dropped 47 C:\Users\user\AppData\Local\...\install.vbs, data 16->47 dropped 61 Creates an undocumented autostart registry key 16->61 24 wscript.exe 1 16->24         started        27 MpCmdRun.exe 1 16->27         started        63 Changes security center settings (notifications, updates, antivirus, firewall) 20->63 signatures8 process9 signatures10 81 Deletes itself after installation 24->81 29 cmd.exe 1 24->29         started        31 conhost.exe 27->31         started        process11 process12 33 Dlls.exe 16 29->33         started        37 conhost.exe 29->37         started        file13 49 C:\Users\user\AppData\Local\Temp\...\unyv.dll, PE32 33->49 dropped 73 Contains functionalty to change the wallpaper 33->73 75 Machine Learning detection for dropped file 33->75 77 Contains functionality to steal Chrome passwords or cookies 33->77 79 3 other signatures 33->79 39 Dlls.exe 2 3 33->39         started        signatures14 process15 dnsIp16 57 Venonletmonitprradministratioran.loseyourip.com 77.247.127.169, 24091 CLOUVIDERClouvider-GlobalASNGB United Kingdom 39->57 59 192.168.2.1 unknown unknown 39->59 83 Installs a global keyboard hook 39->83 signatures17
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6653d6fb54f51870c3c9bc33e04ffe4a855c1886f3b2f328c2ca7ba5e1f088cf/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-10-08 11:48:09 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mzj5n62u6umhbq6jxqz6at76jkcvygeg6ozpgkgczj52lypqrdhq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:netgeneration persistence rat
Link:
https://tria.ge/reports/211008-nyfnvseae9/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Program crash
Adds Run key to start application
Deletes itself
Loads dropped DLL
Adds policy Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
Venonletmonitprradministratioran.loseyourip.com:24091
Unpacked files
SH256 hash:
1c311fa5260728d2c5ce195d4d96b08c520c9619e9e095baf3d4137c4c63f17b
MD5 hash:
43140348fe0f53e54382a7e5db677f7f
SHA1 hash:
5cd648692924db652bc75cb38b38dcbaa07e9d20
Link:
https://www.unpac.me/results/4ae23c43-d831-4774-96cd-c9bf09f5a4c7/
SH256 hash:
6653d6fb54f51870c3c9bc33e04ffe4a855c1886f3b2f328c2ca7ba5e1f088cf
MD5 hash:
ceb178a1032f5d768e321db28db24d88
SHA1 hash:
eaba42910a33de266a6347ca7ad4573912145b25
Link:
https://www.unpac.me/results/4ae23c43-d831-4774-96cd-c9bf09f5a4c7/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6653d6fb54f5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.37
Link:
https://yomi.yoroi.company/submissions/6653d6fb54f51870c3c9bc33e04ffe4a855c1886f3b2f328c2ca7ba5e1f088cf

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: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

File information

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

Web download

RemcosRAT

Executable exe 6653d6fb54f51870c3c9bc33e04ffe4a855c1886f3b2f328c2ca7ba5e1f088cf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1660752/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/196133/

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