MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3
SHA3-384 hash: aa89a7a03903c82f25c06d8a5e680a672820bc85eebf918c4536c5f2fab14dabd8632cf6bd4a681c26062bf28845154f
SHA1 hash: f32abbfb13ac69247216ab9d711889394c3073f1
MD5 hash: 001685109f5d60000de0cda25ce3a5c8
humanhash: stairway-april-social-lake
File name:3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:91'648 bytes
First seen:2026-02-04 05:16:45 UTC
Last seen:2026-02-04 06:21:26 UTC
File type:Excel file xlsx
MIME type:application/vnd.ms-excel
ssdeep 1536:QOZ+RwPONXoRjDhIcp0fDlaGGx+cL26nAmgSfMeNLChOOMc9ECzgcM3kiqsTEZcw:QOZ+RwPONXoRjDhIcp0fDlaGGx+cL26T
TLSH T1A3936A317797CA41C81527367CEAC2E72322FC619E6B2E0736447B0E29B7AD49E43617
TrID 34.9% (.XLS) Microsoft Excel sheet (32500/1/3)
30.1% (.XLS) Microsoft Excel sheet (alternate) (28000/1/3)
26.3% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
8.6% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika xls
Reporter JAMESWT_WT
Tags:107-174-33-21 RemcosRAT xlsx

Intelligence

File Origin
# of uploads :
2
# of downloads :
151
Origin country :
IT IT
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted VBA Macros and, if observed, MS-OFORM variables/data are added to the knowledge base for usage in later parsing of the Macros
Link:
https://research.acce.ciphertechsolutions.com/results/7b4210ac-1451-4521-bef5-71fe8c42c668/
Malware family:
n/a
ID:
1
File name:
Detailed Check Remittance Information from TJXCompanies, Inc.xls
Verdict:
No threats detected
Analysis date:
2026-01-22 00:53:20 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2c0be4fe-b861-48eb-aa3e-542b9906769b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/51612/
Detection(s):
TwinWave.EvilDoc.93TilInfinity.20240412.UNOFFICIAL
Create hunting rule

Porcupine.Win32.Exploit.CVE-2017-0199.C.485864.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6982d6649a60ec70d92ca158
Tags:
office macro micro
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3/results/dashboard
Payload URLs
URL
File name
http://000015067652021
Embedded Ole
Behaviour
SuspiciousRTF detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-0199 exploit macros
Link:
https://www.filescan.io/uploads/6982d65b930564ff3c889b2c/reports/812066ff-a084-4012-8f4e-5cc174263063/overview
Verdict:
Malicious
Labled as:
CVE-2017-0199
Link:
https://www.hybrid-analysis.com/sample/3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=10ee0533-d201-458a-b184-5337e37c68b4
Result
Verdict:
SUSPICIOUS
Link:
https://labs.inquest.net/dfi/sha256/3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3
Verdict:
Malicious
File Type:
xls
First seen:
2026-01-21T04:18:00Z UTC
Last seen:
2026-02-02T06:57:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Link:
https://malprob.io/report/3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3
Verdict:
Malware
YARA:
6 match(es)
Tags:
Corrupted Office Document
Link:
https://app.malva.re/file/001685109f5d60000de0cda25ce3a5c8
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3/
Verdict:
Malicious
Threat:
Exploit.MSOffice.CVE-2017-0199
Link:
https://tip.neiki.dev/file/3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2026-01-21 08:17:40 UTC
File Type:
Document
Extracted files:
25
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnffdhc3zo4unymuh5h44bgfbwsha7zypt3d522frj7ajpxrltjq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence ransomware
Link:
https://tria.ge/reports/260204-fytayscx5h/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Process spawned unexpected child process
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/3b4a519c5bcbb946e1943f4fce04c50da4707f387cf63eeb458a7e04bef15cd3

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:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:XLS_STRINGS
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/51612/

Comments