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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 434d5d4795bc3eaafd4349ddcce4ef78d299212cdc47e136f96d943ab4539dc3. 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: 14


Maldoc score: 9


Intelligence 14 IOCs YARA 5 File information Comments 1

SHA256 hash: 434d5d4795bc3eaafd4349ddcce4ef78d299212cdc47e136f96d943ab4539dc3
SHA3-384 hash: c36338c97dc7976a4381b251aacd94b87687eff74babe8a275afb0f520151e5dd541293e3cfc3bad48e187abed9404f6
SHA1 hash: 5cf1ed706d3b0dab1ef0a6f9324d3437b1850c51
MD5 hash: c99258e7df2ac4fc431b47a99e3d830f
humanhash: oven-muppet-artist-march
File name:Wire Transfer - Invoice-19411025.xls
Download: download sample
Signature RemcosRAT
File size:1'489'920 bytes
First seen:2025-09-12 07:28:39 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:T3bISveGhjWmHoR/gTDUTFOnr0FxTT+dwexbAZke+jhOKTKeIrXs/nEh:ISOQYoTDUxOr0A5xbAZdEhhKeom
TLSH T16865DF03AA85DF43E818C3F47FA39E585F16EE081A51398F2519AB6F3FB23510C8A55D
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika xls
Reporter abuse_ch
Tags:cve-2017-0199 RemcosRAT xls

Office OLE Information


This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 9
Application name is Microsoft Excel
File Format is MS Excel 97-2003
Container Format is OLE
Office document is in encrypted
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 23 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
4114 bytesMBD00492A27/CompObj
5584 bytesMBD00492A27/DocumentSummaryInformation
624856 bytesMBD00492A27/SummaryInformation
794 bytesMBD00492A27/MBD0064228F/CompObj
873 bytesMBD00492A27/MBD0064228F/Ole
9380600 bytesMBD00492A27/MBD0064228F/CONTENTS
1094 bytesMBD00492A27/MBD00642B81/CompObj
1120 bytesMBD00492A27/MBD00642B81/Ole
1292463 bytesMBD00492A27/MBD00642B81/CONTENTS
13441045 bytesMBD00492A27/Workbook
14742 bytesMBD00492A28/Ole
15521431 bytesWorkbook
16523 bytes_VBA_PROJECT_CUR/PROJECT
17104 bytes_VBA_PROJECT_CUR/PROJECTwm
18977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
19977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
20977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
21985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
222644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
23553 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
SuspiciousHex StringsHex-encoded strings were detected, may beused to obfuscate strings (option --decode tosee all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Wire Transfer - Invoice-19411025.xls
Verdict:
No threats detected
Analysis date:
2025-09-12 07:38:00 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Verdict:
Malicious
Score:
93.3%
Tags:
shellcode macro w97m
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Connection attempt to an infection source by exploiting the app vulnerability
Сreating synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
https://nucleo.ooo/MYvPQT
Embedded Ole
Behaviour
SuspiciousRTF detected
Document image
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
macros
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Verdict:
Malicious
File Type:
xls
First seen:
2025-09-11T13:47:00Z UTC
Last seen:
2025-09-11T13:47:00Z UTC
Hits:
~100
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Exploit.CVE-2017-0199
Status:
Malicious
First seen:
2025-09-11 17:48:02 UTC
File Type:
Document
Extracted files:
53
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
persistence ransomware
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Malware Family:
n/a
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:maldoc_OLE_file_magic_number
Author:Didier Stevens (https://DidierStevens.com)
Rule name:office_document_vba
Author:Jean-Philippe Teissier / @Jipe_
Description:Office document with embedded VBA
Reference:https://github.com/jipegit/
Rule name:XLS_STRINGS
Author:somedieyoungZZ
Description:Detect Strings targeting Bangladesh

File information


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

Comments



Avatar
abuse.ch commented on 2025-09-12 14:49:37 UTC

Payload URL:
http://96.44.159.216/133/goodwithbestfeelingsitsgivenmebestbentirefeelingsgoodfomrebest.hta