MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1cbc0465bc3cd80467dc63c9719f6cf060e1dcda7efb81c8dcc9eac2650180c6. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1cbc0465bc3cd80467dc63c9719f6cf060e1dcda7efb81c8dcc9eac2650180c6
SHA3-384 hash: 88ea9beabf7b17ef39ba2d6c0fe61c0cb44f4cf849dbb5e24ae714d4f1b43c261fb023c4e86705be468a05d2c169b02f
SHA1 hash: 5cdff2aee89533081a4e12b0d581f9312bf64eac
MD5 hash: 67f50dc76d4e3b55f56abf028935a2e3
humanhash: nitrogen-india-football-carbon
File name:ORDER RFQ ICPO%0D%0ATECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.R00
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:878'826 bytes
First seen:2024-04-06 09:53:16 UTC
Last seen:2024-04-06 09:54:34 UTC
File type: r00
MIME type:application/x-rar
ssdeep 24576:NLYFoLoNPCnuokqTmtkP5WGYsZ4wnloSC:NkuoR0kqTikPzdFloD
TLSH T10D15338A60EC1C87464226C5D5B68B17FD9D2472F6C18F13D1F13FE28B8221AC5AD4FA
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:r00 RemcosRAT RFQ


Avatar
cocaman
Malicious email (T1566.001)
From: ""Robert Esparza Jr. | International Territory Manager | Boreal International
Corp" <kaia@minhvocong.com>" (likely spoofed)
Received: "from hunch.minhvocong.com (hunch.minhvocong.com [102.211.56.81]) "
Date: "Thu, 04 Apr 2024 23:56:33 -0700"
Subject: "URGENT ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA"
Attachment: "ORDER RFQ ICPO
TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.R00"

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
CH CH
File Archive Information

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

File name:ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.exe
File size:915'968 bytes
SHA256 hash: b1f7d2a6fee6eb162c9e154b565ee6fe95c6e03fa15bef35d8c14663b844087c
MD5 hash: 9af50ddc8887f5389642c602ab333581
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade net_reactor packed packed remcos
Link:
https://www.filescan.io/uploads/66111bbdeda31927461ecd46/reports/47190361-dd11-4d7f-b94f-8ec9a52beacf/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/1cbc0465bc3cd80467dc63c9719f6cf060e1dcda7efb81c8dcc9eac2650180c6
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1cbc0465bc3cd80467dc63c9719f6cf060e1dcda7efb81c8dcc9eac2650180c6/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-04-05 08:27:57 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ds6aizn4htmaiz64mpexdh3m6bqodxg2p35ydsg4zhvmezibqdda._file
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/1cbc0465bc3cd80467dc63c9719f6cf060e1dcda7efb81c8dcc9eac2650180c6

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:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Malspam

RemcosRAT

r00 1cbc0465bc3cd80467dc63c9719f6cf060e1dcda7efb81c8dcc9eac2650180c6

(this sample)

RemcosRAT

Executable exe b1f7d2a6fee6eb162c9e154b565ee6fe95c6e03fa15bef35d8c14663b844087c

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 b1f7d2a6fee6eb162c9e154b565ee6fe95c6e03fa15bef35d8c14663b844087c
  
Dropping
RemcosRAT
  
Dropping
MD5 9af50ddc8887f5389642c602ab333581

Comments