MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6
SHA3-384 hash: a8ab27c38e318d4c997ceed02979a790dbe96f5352f436a89fded71199590e5c9d2d8bdfe4b6ba672256c83d00f914ee
SHA1 hash: 17423ae28df3521df664ac6a5caa6769dfa6ce55
MD5 hash: 5510fc7bf1fbad0ff9589e7808f3c49d
humanhash: batman-delaware-may-neptune
File name:5510fc7bf1fbad0ff9589e7808f3c49d.xls
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:289'280 bytes
First seen:2026-03-18 09:13:14 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:CUzgETg7SN39ac8YZ/Ed+aeXEv//Ramk4Fb/HMLnl1ftAU:CUxE7Swk/Eh4nAQLnllt
TLSH T1595412157195C90FD8872EB06DC5F6DBD928FDA3AD938A0F38C2330D4D795C39A06896
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 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 dump

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

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD00626E08/CompObj
53387 bytesMBD00626E08/Package
699 bytesMBD00626E09/CompObj
73387 bytesMBD00626E09/Package
81771 bytesMBD00626E0A/OLe10nAtIvE
920 bytesMBD00626E0A/Ole
10263529 bytesWorkbook
11523 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

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
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/57b43e53-9c8b-4f11-9738-ec87687f4126/
Malware family:
n/a
ID:
1
File name:
RFQ_Wartsila_Ofis_Malzemeleri_Mar2026.xls
Verdict:
No threats detected
Analysis date:
2026-03-17 10:36:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c29ee8f0-136d-4d06-9c63-9ba47adadea1

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
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/57912/
Detection(s):
Sanesecurity.Shelter.Malware.BadMacro.BadOleNatEquat.UNOFFICIAL
Create hunting rule

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

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69ba6cb593b644ca466b3c39
Tags:
trojan shell micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching a process
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Connection attempt
Creating a process from a recently created file
Possible injection to a system process
Connection attempt by exploiting the app vulnerability
Sending an HTTP GET request
Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)
Sending a custom TCP request by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6/results/dashboard
Behaviour
BlacklistAPI detected
Gathering data
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6
Gathering data
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6
Verdict:
Malicious
File Type:
xls
Detections:
Trojan.Win32.Shelma.sb HEUR:Exploit.MSOffice.Generic Exploit.MSOffice.CVE-2017-11882.sb Trojan-Downloader.Agent.HTTP.C&C Trojan-Downloader.MSOffice.SLoad.sb
Link:
https://opentip.kaspersky.com/e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.phis
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1885468
Signature
AI detected malicious page (phishing or scam)
Antivirus / Scanner detection for submitted sample
Excel sheet contains many unusual embedded objects
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Link:
https://malprob.io/report/e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6/
Verdict:
Malicious
Threat:
Trojan.MSOffice.CVE-2017-11882
Link:
https://tip.neiki.dev/file/e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2026-03-17 14:27:00 UTC
File Type:
Document
Extracted files:
36
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4g35zwhiecwsk5zjqcnbob6kv6rjqhard46gv6lfk4wbmo7d723a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
persistence ransomware
Link:
https://tria.ge/reports/260318-k6w42act9j/
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
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1b7dcd8e820/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/e1b7dcd8e820ad257729809a1707caafa2981c111f3c6af965572c163be3feb6

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/57912/

Comments