MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49a66a1dbe78f3b4ea364949c691c707feb8aec0cf68bc32393b0fcaa22f2503. 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


Maldoc score: 9


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 49a66a1dbe78f3b4ea364949c691c707feb8aec0cf68bc32393b0fcaa22f2503
SHA3-384 hash: 648b738e72ed5bee4db634eefc3bfd54152c6f0b358855c4b9ae9d14d72a8319f172aeb0e524f89cc9a59e9bcc775b45
SHA1 hash: 240c8303bf2e62d3c9f3c6db19fc69ce2d1e1ba2
MD5 hash: 16691acf970bdd26372ab350bb8a8361
humanhash: bluebird-football-alabama-juliet
File name:İşleme_Alınacak_Satın_Alma_Siparişi.xls
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:406'016 bytes
First seen:2026-06-04 05:52:27 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:03UZzVYkSof6+yUHdyyM1DhdDU3nw3UZzVYkSof6+yUHdyyM1DhdDU3gTzTL:03WVDkUcyM1DvN3WVDkUcyM1DvL
TLSH T1ED841216F226738BC48F42B669D556FB250AFE095F7DA7236020734E0A77BD2D4C602D
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 abuse_ch
Tags:CVE-2017-11882 geo RemcosRAT TUR 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
Embedded Images

MalwareBazaar found the following images embedded in this file:

MD5 hashdc.creator# of relations
e13904f4421e094887e18ad21589973dRedmi 4A9
OLE dump

MalwareBazaar was able to identify 18 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD0088A75A/CompObj
5177994 bytesMBD0088A75A/Package
699 bytesMBD0088A75B/CompObj
7177994 bytesMBD0088A75B/Package
820 bytesMBD0088A75C/Ole
91979 bytesMBD0088A75C/Ole10naTiVE
1029725 bytesWorkbook
11525 bytes_VBA_PROJECT_CUR/PROJECT
12104 bytes_VBA_PROJECT_CUR/PROJECTwm
13977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
14977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
15977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
16985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
172644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
18553 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 :
125
Origin country :
SE SE
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/2bdf6f4c-7f2f-4355-b9d3-80940b729287/
Malware family:
n/a
ID:
1
File name:
xls
Verdict:
No threats detected
Analysis date:
2026-06-04 05:55:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d2517406-cb72-4c45-ae9c-732a187d42a2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
text/xml
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/68934/
Detection(s):
Sanesecurity.Shelter.Malware.BadMacro.BadOleNatEquat.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.EQAndMisCasedOleNativeWasTheCaseThatTheyGaveMe.20200215.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.77473812.7327.3073.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a2112d857b7bf261d60c04a
Tags:
office micro virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
DNS request
Query of malicious DNS domain
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/49a66a1dbe78f3b4ea364949c691c707feb8aec0cf68bc32393b0fcaa22f2503/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/49a66a1dbe78f3b4ea364949c691c707feb8aec0cf68bc32393b0fcaa22f2503
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=7f9419c6-b87f-477c-8ffa-f7172d83b3cf
Verdict:
Malicious
File Type:
xls
First seen:
2026-06-02T07:46:00Z UTC
Last seen:
2026-06-05T13:04:00Z UTC
Hits:
~100
Detections:
Trojan.MSOffice.SAgent.sb Trojan.MSOffice.Agent.sb Trojan-Downloader.Agent.HTTP.C&C Exploit.MSOffice.CVE-2018-0802.b Trojan.Win32.Shelma.sb Trojan-Downloader.MSOffice.SLoad.sb HEUR:Exploit.MSOffice.Generic Exploit.MSOffice.CVE-2017-11882.sb
Link:
https://opentip.kaspersky.com/49a66a1dbe78f3b4ea364949c691c707feb8aec0cf68bc32393b0fcaa22f2503/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1922656
Signature
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1922656 Sample: #U0130#U015fleme_Al#U0131na... Startdate: 04/06/2026 Architecture: WINDOWS Score: 56 28 us2.roaming1.live.com.akadns.net 2->28 30 s-0005.dual-s-msedge.net 2->30 32 21 other IPs or domains 2->32 44 Multi AV Scanner detection for submitted file 2->44 46 Excel sheet contains many unusual embedded objects 2->46 48 Document exploit detected (process start blacklist hit) 2->48 9 EXCEL.EXE 505 78 2->9         started        13 EXCEL.EXE 21 56 2->13         started        signatures3 process4 dnsIp5 36 part-0043.t-0009.fb-t-msedge.net 13.107.253.71, 443, 49735 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 9->36 38 mr-z01.tm-azurefd.net 150.171.109.147, 443, 49746, 49752 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS South Africa 9->38 42 2 other IPs or domains 9->42 26 #U0130#U015fleme_A...i#U015fi.xls (copy), Composite 9->26 dropped 15 Acrobat.exe 10 74 9->15         started        17 Acrobat.exe 10 78 9->17         started        19 splwow64.exe 1 9->19         started        40 prod.officeenrichment.osi.office.net.akadns.net 52.109.0.127, 443, 49759 MICROSOFT-CORP-MSN-AS-BLOCK-MicrosoftCorporationUS United States 13->40 file6 process7 process8 21 AcroCEF.exe 139 15->21         started        process9 23 AcroCEF.exe 2 21->23         started        dnsIp10 34 23.62.176.141, 443, 49755 AKAMAI-AS-AkamaiTechnologiesIncUS United States 23->34
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Link:
https://malprob.io/report/49a66a1dbe78f3b4ea364949c691c707feb8aec0cf68bc32393b0fcaa22f2503
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/49a66a1dbe78f3b4ea364949c691c707feb8aec0cf68bc32393b0fcaa22f2503/
Verdict:
Malicious
Threat:
Exploit.MSOffice.CVE-2017-11882
Link:
https://tip.neiki.dev/file/49a66a1dbe78f3b4ea364949c691c707feb8aec0cf68bc32393b0fcaa22f2503
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2026-06-02 12:55:03 UTC
File Type:
Document
Extracted files:
96
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jgtguhn6pdz3j2rwjfe4neoha77lrlwaz5ulymrzhmh4virpeubq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
persistence ransomware
Link:
https://tria.ge/reports/260604-glg8labt3q/
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:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/49a66a1dbe78/report/overview.html
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/49a66a1dbe78f3b4ea364949c691c707feb8aec0cf68bc32393b0fcaa22f2503

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: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/68934/

Comments