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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4953397ff1e2db23646a3e86c91b1f5fd3b7a4e5565dffa00feb9bb26f054bc3. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments

SHA256 hash: 4953397ff1e2db23646a3e86c91b1f5fd3b7a4e5565dffa00feb9bb26f054bc3
SHA3-384 hash: e028cca2f372e3b47bc4e396dd4838cc541211a8f986516fef9f5c19785cac8d2c42db573cc52a32beb8f7221635f9de
SHA1 hash: 87ee5c4bcf64393b6c02824fb832b1edbbb51289
MD5 hash: 67f66acafd69e185e297a7fd06c24ed5
humanhash: quiet-ceiling-kilo-dakota
File name:xCpfJFvnvULI.exe
Download: download sample
Signature RemcosRAT
File size:494'592 bytes
First seen:2023-10-02 17:04:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8d5087ff5de35c3fbb9f212b47d63cad (172 x RemcosRAT)
ssdeep 6144:m/7iPrcL3ArwhBq7Kjsn9iHGXg0lwGS9MNNhdFvPxps9gsAOZZuAXec7q7ov:m/uPq3AfK496Gw0lwGXN3pvs/Zuj8v
Threatray 2'626 similar samples on MalwareBazaar
TLSH T1DBB49E01BAD2C072D57514300D36F776EABCBD202826497BB3DA1D5BFE31190B62A6B7
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 (1'211 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter pmelson
Tags:exe remcos RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
360
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control evasive exploit explorer fingerprint greyware keylogger lolbin shell32
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Delayed program exit found
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-10-02 17:05:07 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:asegurar
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Deletes itself
Malware Config
C2 Extraction:
asegurar100.4cloud.click:8888
Unpacked files
SH256 hash:
4953397ff1e2db23646a3e86c91b1f5fd3b7a4e5565dffa00feb9bb26f054bc3
MD5 hash:
67f66acafd69e185e297a7fd06c24ed5
SHA1 hash:
87ee5c4bcf64393b6c02824fb832b1edbbb51289
Detections:
Remcos win_remcos_auto
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.

File information


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

Web download

RemcosRAT

Executable exe 4953397ff1e2db23646a3e86c91b1f5fd3b7a4e5565dffa00feb9bb26f054bc3

(this sample)

Comments