MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5fc201ab0ea4168016e5670e95e43aecd2dbebb13ce63dbec81703ff295bb89. 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: 7


Intelligence 7 IOCs YARA 7 File information Comments

SHA256 hash: a5fc201ab0ea4168016e5670e95e43aecd2dbebb13ce63dbec81703ff295bb89
SHA3-384 hash: cb2e4bcd8a249e44350ce0edccb9221fbc0000774efbf350bc0b75505500502c2267a27757e153d87db599b555d08778
SHA1 hash: 30d8d7d6599659d12f3c77d2669fa22a708eff57
MD5 hash: ef77bb384728eb8156626f8e8ea0f9ae
humanhash: bacon-beer-magnesium-lemon
File name:SW009858984022_DE_009838221_pdf.rar
Download: download sample
Signature RemcosRAT
File size:468'493 bytes
First seen:2023-05-09 06:12:21 UTC
Last seen:2023-05-09 06:13:12 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:5rG9Vt4TPjzdatVOQYBAegAs6lD353/w03VgKKux94TY1+O:569r4BqVeASs6lDW03VKux94c1x
TLSH T127A423B052F1BE44DBBAF53025D9F70B8E40AD6E989B1A7E0C9D32E1A805375944FC53
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:rar RemcosRAT


Avatar
cocaman
Malicious email (T1566.001)
From: "Stefan Laus <sw.orders@illepapier.eu>" (likely spoofed)
Received: "from [45.81.243.199] (unknown [45.81.243.199]) "
Date: "8 May 2023 15:13:19 +0200"
Subject: "FW: Stornierung der Bestellung"
Attachment: "SW009858984022_DE_009838221_pdf.rar"

Intelligence


File Origin
# of uploads :
2
# of downloads :
118
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:SW009858984022_DE_009838221_pdf.exe
File size:483'917 bytes
SHA256 hash: 1a925bac006fd8d7a5d58d0229eabe2e30634626731add96939b0ab542c446a5
MD5 hash: 30b37d8ba42f3ca92a2f2541ab99058b
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
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.
Threat name:
Win32.Trojan.Vecstealer
Status:
Malicious
First seen:
2023-05-08 14:27:47 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
64.112.85.218:4888
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: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:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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.

File information


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

Malspam

RemcosRAT

rar a5fc201ab0ea4168016e5670e95e43aecd2dbebb13ce63dbec81703ff295bb89

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
RemcosRAT

Comments