MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1be01ca2cd8776bc34294e55cf51bf3c97d8a7512e947d7913c058561215f03. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1be01ca2cd8776bc34294e55cf51bf3c97d8a7512e947d7913c058561215f03
SHA3-384 hash: 6bd2d1930cadf85926a228f7c314c02f03205d345e9fb29bfed6416d039fbd65c9535fb0224e7b2df685986af1e055b3
SHA1 hash: 018eb069801e71962a52121eb2a5051c5ad8185c
MD5 hash: 3996988f0e02bbc3030baa8f53ce840f
humanhash: london-pluto-cardinal-delaware
File name:BL-SHIPPING DOCUMENTS.zip
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:527'952 bytes
First seen:2023-02-09 11:46:51 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:hdYSPvmC7vUL0YJOYXtd6xokJzLu2WSOqp:jRnv7u0YJ1XkzzLZ/p
TLSH T123B4231FE1A74860D60C875F0DE1FA7A245569CF34E9B08928B73DB7B191E463638FA0
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:RemcosRAT Shipping zip


Avatar
cocaman
Malicious email (T1566.001)
From: "ikb_sales02@Isewanthai.co.th<ikb_sales02@Isewanthai.co.th>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [45.137.22.74]) "
Date: "9 Feb 2023 12:45:45 +0100"
Subject: "REVISED DRAFT EXPORT ENTRY // RE: CI,PLRe: Booking SITGLCNG336203 // RE: Booking New shipment ETD : 17/2/23 1*20GP"
Attachment: "BL-SHIPPING DOCUMENTS.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
File Archive Information

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

File name:BL-SHIPPING DOCUMENTS.exe
File size:542'659 bytes
SHA256 hash: 2b15cca7549feeb9015dc13eaa7d6aa7042afbc254798965444f1190b4453b10
MD5 hash: 92d263da49fac63239968c2d3ccdf1cc
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs2928.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20230209-0533.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/e1be01ca2cd8776bc34294e55cf51bf3c97d8a7512e947d7913c058561215f03/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e4dd38c7ca3840b5a156b1/reports/9d7d754e-541e-474c-8a79-5ccd17927e71/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/e1be01ca2cd8776bc34294e55cf51bf3c97d8a7512e947d7913c058561215f03
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/e1be01ca2cd8776bc34294e55cf51bf3c97d8a7512e947d7913c058561215f03
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/e1be01ca2cd8776bc34294e55cf51bf3c97d8a7512e947d7913c058561215f03/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-02-09 08:46:17 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4g7adsrm3b3wxq2cstsvz5i36pex3ctvcluupv4rhqcykyjbl4bq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230209-nyfc4aag8w/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
45.87.61.104:3033
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/e1be01ca2cd8776bc34294e55cf51bf3c97d8a7512e947d7913c058561215f03

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
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:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
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

zip e1be01ca2cd8776bc34294e55cf51bf3c97d8a7512e947d7913c058561215f03

(this sample)

RemcosRAT

Executable exe 2b15cca7549feeb9015dc13eaa7d6aa7042afbc254798965444f1190b4453b10

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 2b15cca7549feeb9015dc13eaa7d6aa7042afbc254798965444f1190b4453b10
  
Dropping
RemcosRAT
  
Dropping
MD5 92d263da49fac63239968c2d3ccdf1cc

Comments