MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992
SHA3-384 hash: bef116acb5fc6e7d10d5ee549e878362ed5f2a4bd95d825e9290149eb5a060eb3f1cff3e4b83bf244651a63c99af19d0
SHA1 hash: 72c945a8acf762df42d5d5ae1a281a2e5c3d9196
MD5 hash: 6a9957dd2a19a1bf4af05ca7be1694de
humanhash: uranus-stream-potato-potato
File name:6a9957dd2a19a1bf4af05ca7be1694de
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:274'432 bytes
First seen:2023-12-04 05:35:00 UTC
Last seen:2023-12-04 07:31:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 11abd75b2ae0d9d34200201cc7efdcfb (1 x RemcosRAT)
ssdeep 6144:7sGckEKnZ9WIUwBjbXB2PwpD1l0FxFAZAO4adb/oN:AGcbKnZkIUwBjV2PwpRzu6oN
TLSH T1B3444A002391D9B6E5A31A730578BA2D496CB8F11F6F8EEBB3C40D5ECA785C16630B56
TrID 32.1% (.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 c49081903c52b2b6 (1 x njrat, 1 x Smoke Loader, 1 x Rhadamanthys)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
374
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
6a9957dd2a19a1bf4af05ca7be1694de
Verdict:
Malicious activity
Analysis date:
2023-12-04 05:38:08 UTC
Tags:
rat remcos remote
Link:
https://app.any.run/tasks/9da604f5-1719-40f4-a9f2-a225664e337b

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/462230/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader46.37221.30662.10132.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending an HTTP GET request
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Creating a process from a recently created file
Sending a custom TCP request
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control greyware lolbin
Link:
https://www.filescan.io/uploads/656d65062efa450749b8099f/reports/17d9a242-4933-467a-a7f7-5e285420f947/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992
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/a0f69c72-3440-449e-8e06-6d928e2f9eb2
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352888
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Creates autostart registry keys with suspicious names
Delayed program exit found
Found malware configuration
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
Sigma detected: Remcos
Snort IDS alert for network traffic
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352888 Sample: R9irvtRzF6.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 41 geoplugin.net 2->41 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 8 other signatures 2->55 9 R9irvtRzF6.exe 14 2->9         started        13 remcos.exe 12 2->13         started        15 remcos.exe 12 2->15         started        17 remcos.exe 12 2->17         started        signatures3 process4 dnsIp5 47 45.153.184.199, 49704, 80 MVPShttpswwwmvpsnetEU Bulgaria 9->47 59 Contains functionality to bypass UAC (CMSTPLUA) 9->59 61 Contains functionalty to change the wallpaper 9->61 63 Contains functionality to steal Chrome passwords or cookies 9->63 67 4 other signatures 9->67 19 R9irvtRzF6.exe 2 4 9->19         started        65 Maps a DLL or memory area into another process 13->65 23 remcos.exe 13->23         started        25 remcos.exe 13->25         started        27 remcos.exe 15->27         started        29 remcos.exe 17->29         started        signatures6 process7 file8 39 C:\ProgramData\Remcos\remcos.exe, PE32 19->39 dropped 57 Creates autostart registry keys with suspicious names 19->57 31 remcos.exe 12 19->31         started        signatures9 process10 signatures11 69 Multi AV Scanner detection for dropped file 31->69 71 Contains functionality to bypass UAC (CMSTPLUA) 31->71 73 Machine Learning detection for dropped file 31->73 75 5 other signatures 31->75 34 remcos.exe 3 14 31->34         started        37 remcos.exe 31->37         started        process12 dnsIp13 43 185.157.162.241, 1303, 49705 OBE-EUROPEObenetworkEuropeSE Sweden 34->43 45 geoplugin.net 178.237.33.50, 49706, 80 ATOM86-ASATOM86NL Netherlands 34->45
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992/
Threat name:
Win32.Trojan.ScarletFlash
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 02:32:07 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c7iyu6sbcgoberk2mrh67stqwrie3ob6aernnxbgkl2g7gg6rgja._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/231204-f9z8mshc2y/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
185.157.162.241:1303
Unpacked files
SH256 hash:
17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992
MD5 hash:
6a9957dd2a19a1bf4af05ca7be1694de
SHA1 hash:
72c945a8acf762df42d5d5ae1a281a2e5c3d9196
Link:
https://www.unpac.me/results/60d89dd9-4301-4118-a15d-611d3f3a9b95/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/17d18a7a4111/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/17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992

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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin

File information

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

Web download

RemcosRAT

Executable exe 17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/462230/
  
URLhaus
https://urlhaus.abuse.ch/url/2737102/

Comments


Avatar
zbet commented on 2023-12-04 05:35:01 UTC

url : hxxp://45.153.184.199/az.exe